M70a and M90a User Guide
Read this first Before using this documentation and the product it supports, ensure that you read and understand the following: • Appendix A “Important safety information” on page 83 • Safety and Warranty Guide • Setup Guide First Edition (April 2020) © Copyright Lenovo 2020. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS35F-05925.
Contents About this documentation . . . . . . . . iii Chapter 1. Meet your computer . . . . . 1 Front . . . . . . . . . . . . . Rear . . . . . . . . . . . . . Locating connectors on system board Features and specifications . . . . Statement on USB transfer rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 4 6 7 Chapter 2. Get started with your computer . . . . . . . . . . . . . . . . . 9 Adjust the computer stand (for selected models) Get started with Windows 10 . . .
Restore system files and settings to an earlier point . . . . . . . . . . . . . . . . Restore your files from a backup . . . . . Reset your computer . . . . . . . . . . Use advanced options . . . . . . . . . Windows automatic recovery. . . . . . . Create and use a recovery USB device . . . Update the device driver . . . . . . . . Chapter 8. Help and support . . . . . 79 . . . . . . . 44 44 44 45 45 45 46 Chapter 7. CRU replacement . . . . . 47 What are CRUs . . . . . . . . . . . . Replace a CRU . . . . .
About this documentation • Illustrations in this documentation might look different from your product. • Depending on the model, some optional accessories, features, and software programs might not be available on your computer. • Depending on the version of operating systems and programs, some user interface instructions might not be applicable to your computer. • Documentation content is subject to change without notice.
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Chapter 1. Meet your computer Front 1. Integrated camera activity indicator* This indicator is on when the camera is in use. 2. Microphones* Capture or record sound and voice. 3. Integrated camera or IR camera shield* Slide to cover the camera lens whenever you need. • Take pictures or record videos by clicking Camera from the Start menu. 4. Integrated camera or IR camera* • Log in to your computer with face authentication.
9. E-Privacy button* Press the button to enable the E-Privacy mode. In this mode, your screen prevents visual hackers from stealing sideways glances at your screen, while providing a crisp, clear view for intended users. To exit from the mode, press the button again. 10. Microphone mute/unmute control* Mute or unmute the integrated microphones in the computer mode. USB-C™ 11. Gen 1) connector (USB 3.2 • Charge USB-C compatible devices with the output voltage and current of 5 V and 3 A.
Rear 1. Security-lock slot Lock your computer to a desk, table, or other fixtures through a Kensington-style cable lock. 2. Cable cover eject button Press the button to access the covered connectors and cables. Note: For easy access, do not cover the button with any external parts. 3. Cable clip Press the clip to route the cables connected to the computer. 4. USB 3.
Locating connectors on system board Figure 1. M70a system board 4 1 LCD LVDS connector 2 Integrated camera and microphone module connector 3 Microprocessor socket 4 Serial (COM1) connector 5 Touch board connector 6 Memory slots 7 M.2 solid-state drive slot 8 M.
Figure 2. M90a system board 1 LCD backlight connector 2 LCD LVDS connector 3 Integrated camera and microphone module connector 4 Microprocessor socket 5 Serial (COM1) connector 6 Memory slots 7 M.2 solid-state drive slot 8 M.
Features and specifications • M70a: – Width: 490.1 mm (19.3 inches) – Height: 312.3 mm (12.3 inches) – Depth: 55.6 mm (2.2 inches) • M90a: Dimensions (without any computer stand) – E-Privacy models: – Width: 541 mm(21.3 inches) – Height: 338.5 mm (13.3 inches) – Depth: 49.5 mm (2.4 inches) – Non E-Privacy models: – Width: 541 mm(21.3 inches) – Height: 338.5 mm (13.3 inches) – Depth: 57.8 mm (2.3 inches) Maximum configuration as shipped: Weight (without the package) • M70a: 8.1 kg (17.9 lb) • M90a: 9.
• Color display with White Light Emitting Diode (WLED) technology • Color display with Full High Definition (FHD) technology • Display size: – M70a: 546.1 mm (21.5 inches) Video features – M90a: 604.5 mm (23.8 inches) • Display resolution: 1920 x 1080 pixels • Multi-touch technology* • The integrated graphics card supports DisplayPort 1.2 out connector. • The optional discrete graphics card provides an enhanced video experience and extended capabilities.
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Chapter 2. Get started with your computer Adjust the computer stand (for selected models) Note: For information about installing the computer stand, refer to the setup guide that comes with your computer. Full-function monitor stand • Tilt the screen forward and back. • Adjust the height of the screen. UltraFlex IV Stand • Tilt the screen forward and back.
Get started with Windows 10 Learn the basics of Windows 10 and start working with it right away. For more information about Windows 10, see the Windows help information. Windows account A user account is required to use the Windows operating system. It can either be a Windows user account or a Microsoft account. Windows user account When you start Windows for the first time, you are prompted to create a Windows user account. This first account you created is of the “Administrator” type.
Windows user interface 1. Account Change account settings, lock the computer, or sign out from the current account. 2. Documents Open the Documents folder, a default folder to save your received files. 3. Pictures Open the Pictures folder, a default folder to save your received pictures. 4. Settings Launch Settings. 5. Power Shut down, restart, or put the computer into sleep mode. 6. Start button Open the Start menu. 7.
Access Control Panel • Open the Start menu and click Windows System ➙ Control Panel. • Use Windows Search. Launch an app • Open the Start menu and select the app you want to launch. • Use Windows Search. Connect to networks Your computer helps you connect to the world through a wired or wireless network. Connect to the wired Ethernet Connect your computer to a local network through the Ethernet connector on your computer with an Ethernet cable. Connect to Wi-Fi networks (for selected models) 1.
Use Night light Blue light is the high-energy visible light in the light spectrum. Excessive exposure to blue light might damage your vision. Night light is a feature that reduces the blue light emitted by computer displays. When the night light is on, your computer display shows warmer colors that help you reduce eye strain. To turn on or turn off the night light, do one of the following: • Type Night light in the search box. Click Night light to open its settings window.
Tap and hold Open a shortcut menu. Slide Scroll through items, such as lists, pages, and photos. Drag an item to the location you want Move an object. Move two fingers closer together Zoom out.
Move two fingers farther apart Zoom in. Swipe in from the right edge Open the action center to see your notifications and quick actions. Swipe in from the left edge View all your open windows in task view. • Swipe downwards shortly from the top edge (for full-screened app or when your computer is in the tablet mode) Show a hidden title bar. • Swipe in from the top edge to the bottom edge (when your computer is in the tablet mode) Close the current app. Chapter 2.
Tips • Turn off the computer before cleaning the multi-touch screen. • Use a dry, soft, and lint-free cloth or a piece of absorbent cotton to remove fingerprints or dust from the multi-touch screen. Do not apply solvents to the cloth. • The multi-touch screen is a glass panel covered with a plastic film. Do not apply pressure or place any metallic object on the screen, which might damage the touch panel or cause it to malfunction.
Connect to a wireless display To use a wireless display, ensure that both your computer and the external display support the Miracast® feature. • Open the Start menu, and then click Settings ➙ Devices ➙ Bluetooth & other devices ➙ Add Bluetooth or other device. In the Add a device window, click Wireless display or dock. Then, follow the instructions on the screen. in the Windows notification area and click Connect.
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Chapter 3. Explore your computer Manage power Use the information in this section to achieve the best balance between performance and power efficiency. Set power button behaviors You can define what the power button does according to your preference. For example, by pressing the power button, you can turn off the computer or put the computer to sleep or hibernation mode. To change what the power button does: 1. Go to Control Panel and view by large icons or small icons. 2.
Your Bluetooth device and computer will automatically connect the next time if the two devices are in range of each other with Bluetooth turned on. You can use Bluetooth for data transfer or remote control and communication. Use the optical drive (for selected models) If your computer has an optical drive, read the following information. Know the type of your optical drive 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager.
Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer. Options include memory modules, storage devices, network cards, power adapters, keyboards, mice, and more. To shop at Lenovo, go to https://www.lenovo.com/accessories. Chapter 3.
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Chapter 4. Secure your computer and information Lock the computer Note: You are responsible for evaluating, selecting, and implementing the locking device and security feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of the locking device and security feature. You can purchase computer locks from Lenovo. Kensington-style cable lock Lock your computer to a desk, table, or other fixtures through a Kensington-style cable lock.
If both the power-on password and supervisor password are set, you can enter either password. However, you must use your supervisor password to change any configuration settings. • Hard disk password Setting a hard disk password prevents unauthorized access to the data on the storage drive. When a hard disk password is set, you are prompted to enter a valid password each time you try to access the storage drive.
5. Enter the PIN you have set earlier. The camera preview starts. 6. Follow the on-screen instructions to complete the setup. 7. Click Improve Recognition to improve the image so that Windows Hello can recognize you in different light conditions or when your appearance changes. Log in with face authentication 1. On the Windows lock screen, select the smiling face icon from the sign-in options. 2. Follow the on-screen instructions and ensure that you are centered and looking directly at the camera.
Erase all storage drive data It is recommended that you erase all storage drive data before recycling a storage drive or the computer. To erase all storage drive data: 1. Set a hard disk password for the storage drive you will recycle. See “Use passwords” on page 23. 2. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 3. Select Security ➙ Hard Disk Password ➙ Security Erase HDD Data and press Enter. 4. Select the storage drive you will recycle and press Enter. 5.
• Read Only: You cannot copy data from the computer to the USB storage devices. However, you can access or modify data on the USB storage devices. • No Access: You cannot access the USB storage devices from the computer. To configure the Smart USB Protection function: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Smart USB Protection and press Enter. 3. Select the desired setting and press Enter. 4. Press F10 or Fn+F10 to save the changes and exit.
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Chapter 5. UEFI BIOS This chapter provides information about configuring and updating UEFI BIOS, and clearing CMOS. What is UEFI BIOS Note: The operating system settings might override any similar settings in UEFI BIOS. UEFI BIOS is the first program that the computer runs when the computer is turned on. UEFI BIOS initializes the hardware components and loads the operating system and other programs. Your computer comes with a setup program with which you can change UEFI BIOS settings.
Set the system date and time 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Main ➙ System Time & Date and press Enter. 3. Set the system date and time as desired. 4. Press F10 or Fn+F10 to save the changes and exit. Change the startup sequence If the computer does not start up from a device as expected, you can change the startup device sequence permanently or select a temporary startup device. Change the startup device sequence permanently 1.
4. Press F10 or Fn+F10 to save the changes and exit. To bypass the error message and log in to the operating system, press F2 or Fn+F2. To clear the error message, enter the BIOS menu, save and then exit. Enable or disable the automatic power-on feature The Automatic Power On item in UEFI BIOS provides various options for you to make your computer start up automatically. To enable or disable the automatic power-on feature: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2.
• Press the power button. • Enable the Wake Up on Alarm feature to make the computer wake up at a set time. To meet the off mode requirement of ErP compliance, you need to disable the Fast Startup function. 1. Go to Control Panel and view by large icons or small icons. 2. Click Power Options ➙ Choose what the power buttons do ➙ Change settings that are currently unavailable. 3. Clear the Turn on fast startup (recommended) option from the Shutdown settings list.
Download and install the latest UEFI BIOS update package by one of the following methods: • From Lenovo Vantage: Open Lenovo Vantage to check the available update packages. If the latest UEFI BIOS update package is available, follow the on-screen instructions to download and install the package. • From the Lenovo Support Web site: 1. Go to https://pcsupport.lenovo.com. 2. Download the flash BIOS update driver for the operating system version or the ISO image version (used to create a flash update disc).
Note: Depending on the computer model, the recovery process will take two to three minutes. 8. Disconnect all power cords from electrical outlets. 9. Move the jumper back to the standard position. 10. Reinstall all the parts that have been removed. Then, reconnect the power cords for the computer and the monitor to electrical outlets. 11. Turn on the computer and the monitor. When the logo screen is displayed, press F1 or Fn+F1. 12.
Chapter 6. Troubleshooting, diagnostics, and recovery This chapter provides solutions to resolve computer problems. Use the basic procedure as a starting point for resolving computer problems. Basic procedure for resolving computer problems Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions. 1. Check that: a. The cables for all connected devices are connected correctly and securely. b. All components have been reassembled correctly.
Startup problems Problem Solution • Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet. The computer does not start up when you press the power button. • If the computer has a secondary power switch on the rear of the computer, ensure that it is switched on. • The power indicator on the front of the computer is on. • The computer voltage matches the voltage available at the electrical outlet for your country or region.
Screen problems Problem Solution • The computer voltage matches the voltage available at the electrical outlet for your country or region. • Press a key to exit the screen saver. The screen goes blank while the computer is on. • Press the power button to wake the computer from sleep or hibernation mode. • The brightness and contrast is set correctly. • If the screen goes blank when some programs start, install the device drivers for the programs.
Audio problems Problem Solution • If you are using powered external speakers that have an On/Off control, ensure that: – The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded, functional ac electrical outlet. • If your external speakers have a volume control, ensure that the volume is not set too low. • Click the volume icon in the Windows notification area on the taskbar. Check the speaker and volume settings.
Problem Solution • Connect the cable from the Ethernet connector to the RJ45 connector of the hub. • Enable the Ethernet LAN feature in UEFI BIOS. • Enable the Ethernet LAN adapter. 1. Go to Control Panel and view by large icons or small icons. 2. Click Network and Sharing Center ➙ Change adapter settings. The computer cannot connect to an Ethernet LAN. 3. Right-click the Ethernet LAN adapter icon and click Enable. • Update or reinstall the Ethernet LAN driver.
Problem Solution • Enable the Bluetooth feature in UEFI BIOS. • Enable all Bluetooth devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation if prompted. 3. Expand Bluetooth to display all Bluetooth devices. Right-click each Bluetooth device, and then click Enable device. The Bluetooth feature does not work. 4. Expand Network adapters to display all network devices.
Performance problems Problem Solution Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 1. Close any open programs and windows. 2. Open the Start menu. Excessive fragmented files exist on the storage drives. 3. Click Windows System ➙ File Explorer ➙ This PC. 4. Right-click your C drive and then click Properties. 5. Click the Tools tab. 6. Click Optimize.
Storage drive problems Problem Solution • Ensure that the signal cables and power cables for all the storage drives are connected correctly. • Ensure that the computer is configured correctly to support the storage drives. Some or all storage drives are missing from the BIOS menu. – If the computer is installed with SATA storage drives, ensure that the SATA storage drive enablement module (one to five storage drives) is installed.
Problem Solution The playback is slow or choppy. • Disable any background programs, such as AntiVirus or Desktop Themes. • Ensure that video resolution is less than 1152 x 864 pixels. A message indicating invalid disc or no disc found is displayed. • Ensure that the disc is in the drive with the shiny side of the disc facing down. • Ensure that video resolution is less than 1152 x 864 pixels. • Ensure that the DVD or CD is inserted into an appropriate optical drive.
Software problems Problem Solution 1. Check whether the problem is caused by a program. a. Ensure that the software is compatible with the computer. Refer to the information supplied with the software for more information. b. Verify that other software works correctly on the computer. c. Verify that the software you are using works on another computer. Some programs do not work as expected. 2.
1. Open the Start menu, and then click Settings ➙ Update & Security ➙ Recovery. 2. In the Reset this PC section, click Get started. 3. Follow the on-screen instructions to reset your computer. Use advanced options 1. Open the Start menu, and then click Settings ➙ Update & security ➙ Recovery. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3. Select a preferred option, and then follow the on-screen instructions.
5. Click Troubleshoot to display optional recovery solutions. 6. Select a recovery solution as desired. Then, follow the on-screen instructions to complete the process. Update the device driver Attention: Reinstalling device drivers will change the current configuration of the computer. You should download the latest driver for a component when you notice poor performance from that component or when you added a component. This action might eliminate the driver as the potential cause of a problem.
Chapter 7. CRU replacement What are CRUs Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. Lenovo computers contain the following types of CRUs: • Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or by trained service technicians at an additional cost. • Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater skill level.
Replace a CRU Follow the replacement procedure to replace a CRU. Computer stand Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions. Replacement procedure 1. Turn off the computer and remove all connected devices and cables. 2. Disconnect the computer from ac power and all connected cables. 3. Place a soft, clean towel or cloth on the desk or surface.
Figure 4. Removing the full-function monitor stand base Figure 5. Installing the full-function monitor stand base Chapter 7.
Figure 6. Installing the full-function monitor stand • UltraFlex IV Stand. Figure 7.
Figure 8. Removing the UltraFlex IV Stand base Figure 9. Installing the UltraFlex IV Stand base Chapter 7.
Figure 10. Installing the UltraFlex IV Stand 5. Place the computer in an upright position. 6. Reconnect the ac power adapter and all disconnected cables to the computer. Rear cover Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions. CAUTION: Before you open the rear cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1.
Figure 11. Removing the rear cover Figure 12. Installing the rear cover 7. Reinstall the computer stand. See “Computer stand” on page 48. 8. Place the computer in an upright position. 9. If a locking device is available, use it to lock the computer. 10. Reconnect the external cables and power cords to the corresponding connectors on the computer. Optical drive Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions.
3. Disconnect the power and signal cable from the optical drive. 4. Depending on your computer model, refer to one of the following to replace the optical drive. • M70a Figure 13. Removing the optical drive Figure 14. Removing the optical drive bracket Figure 15.
Figure 16. Installing the optical drive • M90a Figure 17. Removing the optical drive Figure 18. Removing the optical drive bracket Chapter 7.
Figure 19. Installing the optical drive bracket Figure 20. Installing the optical drive 5. Reconnect the power and signal cable to the optical drive. 6. Reinstall the removed parts. 7. Place the computer in an upright position. 8. If a locking device is available, use it to lock the computer. 9. Reconnect the external cables and power cords to the corresponding connectors on the computer.
Figure 21. Removing the optical drive holder Figure 22. Installing the optical drive holder • M90a Chapter 7.
Figure 23. Removing the optical drive holder Figure 24. Installing the optical drive holder 5. Place the computer in an upright position. 6. If a locking device is available, use it to lock the computer. 7. Reconnect the external cables and power cords to the corresponding connectors on the computer. System board shield Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions. Replacement procedure 1. Remove the computer stand.
2. Remove the rear cover. See “Rear cover” on page 52. 3. Remove the optical drive. See “Optical drive” on page 53. 4. Remove the optical drive holder. See “Optical drive holder” on page 56. 5. Depending on your computer model, refer to one of the following to replace the system board shield. • M70a Figure 25. Removing the system board shield Figure 26. Installing the system board shield Chapter 7.
Figure 27. Installing the system board shield screw • M90a Figure 28. Removing the system board shield Figure 29.
6. Reinstall the removed parts. 7. Place the computer in an upright position. 8. If a locking device is available, use it to lock the computer. 9. Reconnect the external cables and power cords to the corresponding connectors on the computer. VESA mount bracket cover Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions.
Figure 31. Removing the VESA mount bracket cover Figure 32. Installing the VESA mount bracket cover • M90a Figure 33.
Figure 34. Removing the VESA mount bracket cover Figure 35. Installing the VESA mount bracket cover 7. Reinstall the removed parts. 8. Place the computer in an upright position. 9. If a locking device is available, use it to lock the computer. 10. Reconnect the external cables and power cords to the corresponding connectors on the computer. VESA mount bracket Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions.
3. Remove the optical drive. See “Optical drive” on page 53. 4. Remove the optical drive holder. See “Optical drive holder” on page 56. 5. Remove the system board shield. See “System board shield” on page 58. 6. Remove the VESA mount bracket cover. See “VESA mount bracket cover” on page 61. 7. Depending on your computer model, refer to one of the following to replace the VESA mount bracket. • M70a Figure 36. Removing the VESA mount bracket Figure 37.
Figure 38. Removing the VESA mount bracket Figure 39. Installing the VESA mount bracket 8. Reinstall the removed parts. 9. Place the computer in an upright position. 10. If a locking device is available, use it to lock the computer. 11. Reconnect the external cables and power cords to the corresponding connectors on the computer. Storage drive and storage drive bracket Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions.
3. Remove the optical drive. See “Optical drive” on page 53. 4. Remove the optical drive holder. See “Optical drive holder” on page 56. 5. Remove the system board shield. See “System board shield” on page 58. 6. Depending on your computer model, refer to one of the following to replace the storage drive and the storage drive bracket. • M70a Figure 40. Removing the storage drive and the bracket Figure 41.
Figure 42. Disconnecting the storage drive cable Figure 43. Connecting the storage drive cable Figure 44. Installing the storage drive to the bracket Chapter 7.
Figure 45. Installing the storage drive and the bracket • M90a Figure 46. Removing the storage drive and the bracket Figure 47.
Figure 48. Disconnecting the storage drive cable Figure 49. Connecting the storage drive cable Figure 50. Installing the storage drive to the bracket Chapter 7.
Figure 51. Installing the storage drive and the bracket 7. Reinstall the removed parts. 8. Place the computer in an upright position. 9. If a locking device is available, use it to lock the computer. 10. Reconnect the external cables and power cords to the corresponding connectors on the computer. M.2 solid-state drive Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions. Replacement procedure 1. Remove the computer stand.
Figure 52. Removing the M.2 solid-state drive Figure 53. Installing the M.2 solid-state drive – For M.2 solid-state drive (2242) models Chapter 7.
Figure 54. Removing the M.2 solid-state drive Figure 55. Installing the M.2 solid-state drive • M90a – For M.
Figure 56. Removing the M.2 solid-state drive Figure 57. Installing the M.2 solid-state drive – For M.2 solid-state drive (2242) models Chapter 7.
Figure 58. Removing the M.2 solid-state drive Figure 59. Installing the M.2 solid-state drive 9. Reinstall the removed parts. 10. Place the computer in an upright position. 11. If a locking device is available, use it to lock the computer. 12. Reconnect the external cables and power cords to the corresponding connectors on the computer. Memory module Prerequisite Before you start, read Appendix A “Important safety information” on page 83 and print the following instructions.
Replacement procedure Ensure that you follow the installation order for memory modules shown in the following figure. Figure 60. M70a memory module slots Chapter 7.
Figure 61. M90a memory module slots 1. Remove the computer stand. See “Computer stand” on page 48. 2. Remove the rear cover. See “Rear cover” on page 52. 3. Remove the optical drive. See “Optical drive” on page 53. 4. Remove the optical drive holder. See “Optical drive holder” on page 56. 5. Remove the system board shield. See “System board shield” on page 58. 6. Remove the VESA mount bracket cover. See “VESA mount bracket cover” on page 61. 7. Remove the VESA mount bracket.
Figure 62. Removing a memory module Figure 63. Installing a memory module • M90a Chapter 7.
Figure 64. Removing a memory module Figure 65. Installing a memory module 9. Reinstall the removed parts. 10. Place the computer in an upright position. 11. If a locking device is available, use it to lock the computer. 12. Reconnect the external cables and power cords to the corresponding connectors on the computer.
Chapter 8. Help and support Self-help resources Use the following self-help resources to learn more about the computer and troubleshoot problems. Resources How to access? Use Lenovo Vantage to: • Configure device settings. • Download and install UEFI BIOS, drivers and firmware updates. • Open the Start menu and click Lenovo Vantage. • Secure you computer from outside threats. • Use Windows Search. • Check the computer warranty status. • Access User Guide and helpful articles.
Call Lenovo If you have tried to correct the problem yourself and still need help, you can call Lenovo Customer Support Center. Before you contact Lenovo Prepare the following before you contact Lenovo: 1. Record the problem symptoms and details: • What is the problem? Is it continuous or intermittent? • Any error message or error code? • What operating system are you using? Which version? • Which software applications were running at the time of the problem? • Can the problem be reproduced? If so, how? 2.
Services available during the warranty period • Problem determination - Trained personnel are available to assist you with determining if you have a hardware problem and deciding what action is necessary to fix the problem. • Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service.
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Appendix A. Important safety information Safety notices This information can help you safely use your computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement or the Limited Warranty. For more information, see "Warranty Information" in the Safety and Warranty Guide that comes with your computer. Customer safety is important. Our products are developed to be safe and effective.
• Signs of overheating, smoke, sparks, or fire. • Damage to a battery (such as cracks, dents, or creases), discharge from a battery, or a buildup of foreign substances on the battery. • A cracking, hissing, or popping sound, or strong odor that comes from the product. • Signs that liquid has been spilled or an object has fallen onto the computer product, the power cord, or power adapter. • The computer product, power cord, or power adapter has been exposed to water.
Sharp Edges: When replacing CRUs, be cautious of sharp edges or corners that might cause injury. If you suffer an injury, seek medical care immediately. Power cords and power adapters DANGER Use only the power cords and power adapters supplied by the product manufacturer. The power cords shall be safety approved. For Germany, it shall be H03VV-F, 3G, 0.75 mm2, or better. For other countries, the suitable types shall be used accordingly. Never wrap a power cord around a power adapter or other object.
For units intended to be operated at 115 volts: Use a UL-listed and CSA-certified cord set consisting of a minimum 18 AWG, Type SVT or SJT, three-conductor cord, a maximum of 15 feet in length and a parallel blade, grounding-type attachment plug rated 10 amperes, 125 volts. For units intended to be operated at 230 volts (U.S.
Plugs and outlets DANGER If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.
Lithium coin-cell battery notice DANGER Danger of explosion if battery is incorrectly replaced. If the coin-cell battery is not a CRU, do not attempt to replace the coin-cell battery. Replacement of the battery must be done by a Lenovo-authorized repair facility or technician. The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to local laws and regulations.
computer, power adapter, and many accessories produce some heat during normal operation. Extended contact with the body could cause discomfort or, potentially, a skin burn. • Do not charge the battery or operate your computer, power adapter, or accessories near flammable materials or in explosive environments. • Ventilation slots, fans, and heat sinks are provided with the product for safety, comfort, and reliable operation.
DANGER Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices. To connect: To disconnect: 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlets. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlets. 4. Remove all cables from devices. 5. Turn devices ON.
Liquid crystal display (LCD) notice DANGER To avoid shock hazards: • Do not remove the covers. • Do not operate this product unless the stand is attached. • Do not connect or disconnect this product during an electrical storm. • The power cord plug must be connected to a properly wired and grounded power outlet. • Any equipment to which this product will be attached must also be connected to properly wired and grounded power outlets.
Limits) or a wide band characteristic voltage of 75 mV. Using headphones that do not comply with EN 503322 can be dangerous due to excessive sound pressure levels. If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5 Limitation Values).
Hazardous energy statement DANGER Disconnect all power cords from electrical outlets before removing the computer cover or any part that has the above label attached. DO NOT disassemble components that have the above label attached. There are no serviceable parts inside these components. Your product is designed for safe use. However, hazardous voltage, current, and energy levels are present inside any component that has this label attached.
Static electricity prevention Static electricity, although harmless to you, can seriously damage computer components and options. Improper handling of static-sensitive parts can damage the part. When you unpack an option or CRU, do not open the static-protective package containing the part until the instructions direct you to install it. When you handle options or CRUs, or perform any work inside the computer, take the following precautions to avoid static-electricity damage: • Limit your movement.
• Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from your computer because the strong magnetic fields generated by these appliances can damage the monitor and data on the storage drive. • Keep food and drinks away from all parts of the computer. Food particles and spills might make the keyboard and mouse stick and unusable. • Do not get the power switches or other controls wet.
spraying cleaner directly onto the keyboard. To remove any crumbs or dust from beneath the keys, you can use a camera blower with a brush or use cool air from a hair dryer. Clean the computer screen: Scratches, oil, dust, chemicals, and ultraviolet light can affect the performance of your computer screen. Use a dry, soft lint-free cloth to wipe the screen gently. If you see a scratchlike mark on your screen, it might be a stain. Wipe or dust the stain gently with a soft, dry cloth.
Appendix B. Accessibility and ergonomic information This chapter provides information about accessibility and ergonomics. Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. This section provides information about the ways these users can get the most out of their computer experience. You also can get the most up-to-date accessibility information from the following Web site: https://www.
keyboard with all the standard keys. You can select keys using the mouse or another pointing device, or you can tap to select the keys if your computer supports multi-touch screen. • High Contrast High Contrast is a feature that heightens the color contrast of some text and images on your screen. As a result, those items are more distinct and easier to identify. • Personalized keyboard Adjust keyboard settings to make your keyboard easier to use.
– Change the size of all the items on your screen. 1. Right-click an empty area of the desktop and then click Display settings ➙ Display. 2. Change the item size by following the on-screen instructions. For some applications, your configuration might not take effect until you sign out and then sign in again. – Change the size of the items on a Web page. Press and hold Ctrl, and then press the plus-sign key (+) to enlarge or the minus-sign key (–) to reduce the text size.
Display: Position the display to maintain a comfortable viewing distance of 510 mm to 760 mm (20 inches to 30 inches). Avoid glare or reflections on the display from overhead lighting or outside sources of light. Keep the display screen clean and set the brightness to levels that enable you to see the screen clearly. Press the brightness control keys to adjust display brightness. Head position: Keep your head and neck in a comfortable and neutral (vertical, or upright) position.
Appendix C. Supplemental information about the Ubuntu operating system In limited countries or regions, Lenovo offers customers an option to order computers with the preinstalled Ubuntu® operating system. If the Ubuntu operating system is available on your computer, read the following information before you use the computer. Ignore any information related to Windows-based programs, utilities, and Lenovo preinstalled applications in this documentation.
102 M70a and M90a User Guide
Appendix D. Compliance information This chapter provides regulatory, environmental, RoHS, and ENERGY STAR information about Lenovo products. Radio frequency compliance statements Computer models equipped with wireless communications comply with the radio frequency and safety standards of any country or region in which it has been approved for wireless use.
Mexico Advertencia: En Mexico la operación de este equipo está sujeta a las siguientes dos condiciones: (1) es posible que este equipo o dispositivo no cause interferencia perjudicial y (2) este equipo o dispositivo debe aceptar cualquier interferencia, incluyendo la que pueda causar su operación no deseada. Singapore Korea 무선설비 전파 혼신 (사용주파수 2400∼2483.5 , 5725∼5825 무선제품해당) 해당 무선설비가 전파혼신 가능성이 있으므로 인명안전과 관련된 서비스는 할 수 없음 SAR 정보 본 장치는 전파 노출에 대한 가이드라인을 충족합니다. 본 장치는 무선 송수신기 입니다.
each geography. This label is applied to various products to indicate that the product is not to be thrown away, but rather put in the established collection systems for reclaiming these end of life products.
Brazil recycling information Declarações de Reciclagem no Brasil Descarte de um Produto Lenovo Fora de Uso Equipamentos elétricos e eletrônicos não devem ser descartados em lixo comum, mas enviados à pontos de coleta, autorizados pelo fabricante do produto para que sejam encaminhados e processados por empresas especializadas no manuseio de resíduos industriais, devidamente certificadas pelos orgãos ambientais, de acordo com a legislação local.
Disposing of battery packs from Lenovo products Your Lenovo device might contain a lithium-ion battery pack or a nickel metal hydride battery pack. You can find details on the battery pack in the product documentation. If you need to dispose of a battery pack, insulate it with vinyl tape, contact Lenovo sales, service, or your place of purchase, or a waste-disposal operator, and follow their instructions. You also can refer to the instructions provided in the user guide for your product.
Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management) Rules.
Taiwan RoHS Electromagnetic emission notices Federal Communications Commission (FCC) Supplier’s Declaration of Conformity The following information refers to ThinkCentre M70a and M90a, machine types: 11CK, 11CL, 11DY, 11E0, 11CD, 11CE, 11E2, 11E3, and 11JX. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Lenovo (United States) Incorporated 7001 Development Drive Morrisville, NC 27560 Email: FCC@lenovo.com Industry Canada compliance statement CAN ICES-3(B)/NMB-3(B) European Union conformity EU Contact: Lenovo (Slovakia), Landererova 12, 811 09 Bratislava, Slovakia Compliance with the EMC Directive This product is in conformity with the protection requirements of EU Council Directive 2014/30/EU on the approximation of the laws of the Member States relating to electromagnetic compatibility.
Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Meitnerstr. 9, D-70563 Stuttgart.
Lenovo product service information for Taiwan Taiwan precautionary vision statement 警語：使用過度恐傷害視力 注意事項： • 使用30分鐘請休息10分鐘。 • 未滿2歲幼兒不看螢幕，2歲以上每天看螢幕不要超過1小時。 Keyboard and mouse compliance statement for Taiwan Eurasian compliance mark Brazil audio notice Ouvir sons com mais de 85 decibéis por longos períodos pode provocar danos ao sistema auditivo. ENERGY STAR model information ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S.
Appendix E. Notices and trademarks Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary.
