Dell OptiPlex 3020–Mini Tower Owner's Manual Regulatory Model: D15M Regulatory Type: D15M001
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2013 Dell Inc. All Rights Reserved.
Contents 1 Working on Your Computer.................................................................................5 Before Working Inside Your Computer.............................................................................................5 Turning Off Your Computer..............................................................................................................6 After Working Inside Your Computer.............................................................................................
Removing the I/O Panel..................................................................................................................25 Installing the I/O Panel....................................................................................................................27 System Board Components............................................................................................................ 28 Removing the System Board......................................................................
Working on Your Computer 1 Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • You have read the safety information that shipped with your computer. • A component can be replaced or--if purchased separately--installed by performing the removal procedure in reverse order.
3. Disconnect all network cables from the computer. 4. Disconnect your computer and all attached devices from their electrical outlets. 5. Press and hold the power button while the computer is unplugged to ground the system board. 6. Remove the cover. CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer. 2. Connect any telephone or network cables to your computer. 3. Connect your computer and all attached devices to their electrical outlets. 4. Turn on your computer. 5. If required, verify that the computer works correctly by running the Dell Diagnostics.
Removing and Installing Components 2 This section provides detailed information on how to remove or install the components from your computer. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver • Phillips screwdriver • Small plastic scribe System Overview The figure below displays the inside view of the Mini Tower after the base cover has been removed. The call outs show the names and the layout of the components inside the computer.
5. front bezel 6. speaker 1. memory module 2. system board 3. optical drive 4. front i/o panel 5. coin cell 6. CPU cooler 7. system fan Removing the Cover 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the thumbscrews that secure the cover to the computer. Slide the cover from the computer.
3. Lift the cover upward to a 45–degree angle and remove it from the computer. Installing the Cover 1. Place the cover on the computer. 2. Slide the computer cover towards the front of the chassis until it is fully engaged. 3. Tighten the thumbscrew in clockwise direction to secure the computer cover. 4. Follow the procedures in After Working Inside Your Computer.
Removing the Intrusion Switch 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a) cover b) heatsink assembly 3. Perform the following steps as shown in the illustration: a) Press the intrusion-switch cable [1]. b) Disconnect the intrusion-switch cable from the system board [2]. c) Slide the intrusion switch toward the bottom of the chassis and remove it from the computer Installing the Intrusion Switch 1.
Installing the Front Bezel 1. Insert the hooks along the bottom edge of the front bezel into the slots on the chassis front. 2. Push the bezel toward the computer to engage the front bezel retention clips until they click into place. 3. Install the cover. 4. Follow the procedures in After Working Inside Your Computer. Removing The Expansion Card 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover 3.
4. Perform the following steps as shown in the illustration: a) Pull the release lever away from the expansion card until you release the securing tab from the dent in the card. [1]. b) Ease the card up and out of its connector and remove it from the computer. [2]. Installing the Expansion Card 1. Insert the expansion card in the connector on the system board and press down until secured. 2. Push the retention latch back to its position. 3. Install the cover. 4.
Memory Module Guidelines To ensure optimal performance of your computer, observe the following general guidelines when configuring your system memory: • Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must have identical configurations. • Memory modules must be installed beginning with the first socket. NOTE: The memory sockets in your computer may be labeled differently depending on the hardware configuration. For example, A1, A2 or 1,2,3.
Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove: a) cover b) expansion card(s) 3. Press the release latch away from the battery to allow the battery to pop-up from the socket and lift the coin-cell battery out of the computer. Installing the Coin-Cell Battery 1. Place the coin cell battery in its slot on the system board and press until the release latch springs back into place and secures it. 2. Install: a) expansion card b) cover 3.
4. Flex the hard-drive bracket and remove the hard drive from the hard-drive bracket. Installing the Hard Drive 1. Insert the hard drive into the hard-drive bracket. 2. Press the securing brackets inward and slide the hard-drive bracket into the bay. 3. Connect the data cable and the power cable to the back of the hard-drive. 4. Install the: a) front bezel b) cover 5. Follow the procedures in After Working Inside Your Computer. Removing the Optical Drive 1.
4. Repeat steps 3 remove the second optical drive (if available). Installing the Optical Drive 1. Push the optical drive from the front toward the back of the computer till it is secured by the optical-drive latch. 2. Connect the data cable and power cable to the back of the optical drive. 3. Install the front bezel. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer. Removing the Speaker 1. Follow the procedures in Before Working Inside Your Computer. 2.
Installing the Speaker 1. Slide the speaker downwards into its slot to secure it. 2. Thread the speaker cable into the chassis clip and connect the speaker cable to the system board. 3. Install the cover. 4. Follow the procedures in After Working Inside Your Computer. Removing the Power Supply 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Perform the following steps as shown in the illustration: a) b) c) d) e) Press the 4–pin power cable [1].
4. Remove the screws that secure the power supply to the back of the computer. 5. Perform the following steps as shown in the illustration: a) Push in on the blue release tab beside the power supply [1]. b) Slide the power supply towards the front of the computer [2]. c) Lift and remove the power supply out of the computer. [3].
Installing the Power Supply 1. Place the power supply in the chassis and slide towards the back of the system to secure it. 2. Tighten the screws to secure the power supply to the back of the computer. 3. Connect the 4-pin and 8-pin power cables to the system board. 4. Thread the power cables through the chassis clips. 5. Install the cover. 6. Follow the procedures in After Working Inside Your Computer. Removing the Heatsink Assembly 1.
Installing the Processor 1. Insert the processor in the processor socket. Ensure the processor is properly seated. 2. Lower the processor cover. 3. Press the release lever down and then move it inward to secure it with the retention hook. 4. Install: a) heat-sink assembly b) cover 5. Follow the procedures in After Working Inside Your Computer. Removing the System Fan 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3.
Installing the System Fan 1. Place the system fan in the chassis. 2. Pass the four grommets through the chassis and slide outward along the groove to secure in place. 3. Connect the system-fan cable to the system board. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer. Removing the Power Switch 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a) cover b) front bezel c) optical drive 3.
4. Release the power-switch cable from the chassis clips. 5. Perform the following steps as shown in the illustration: a) Press the clips on both side of the power switch to release it from the chassis [1]. b) Slide to remove the power switch along its cable from the computer [2].
Installing the Power Switch 1. Slide the power switch in through the front of the computer. 2. Secure the power-switch cable to the chassis. 3. Thread the power-switch cable into the chassis clips. 4. Connect the power-switch cable to the system board. 5. Install the: a) optical drive b) front bezel c) cover 6. Follow the procedures in After Working Inside Your Computer. Removing the I/O Panel 1. Follow the procedures in Before Working Inside Your Computer. 2.
4. Unthread and release the I/O Panel, data cable and USB data cable from the clip on the computer. 5. Remove the screw that secures the I/O panel to the computer.
6. Release and pull the I/O panel along with its cable out of the computer. Installing the I/O Panel 1. Insert the I/O panel into the slot on the chassis front. 2. Slide the I/O panel towards the right of the computer to secure to the chassis. 3. Tighten the screw to secure the I/O panel to the chassis. 4. Thread the I/O panel and USB data cable into the chassis clip. 5. Connect the I/O panel and USB data cable to the system board. 6.
7. Follow the procedures in After Working Inside Your Computer. System Board Components The following image displays the system board layout. 1. SATA connectors 12. processor socket 2. password reset jumper 13. cpu power connector 3. front USB2.0 connector 14. PS2 serial port connector 4. internal USB connector 15. cpu fan connector 5. RTCRST reset jump 16. memory connector 6. coin-cell battery 17. power switch connector 7. front audio connector 18. ATX power connector 8.
Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: a) b) c) d) e) cover memory expansion card(s) heatsink assembly processor 3. Disconnect all the cables connected to the system board. 4. Perform the following steps as shown in the illustration: a) Disconnect the 8–pin power cable. b) Press the 4–pin power cable [1]. c) Disconnect the 4-pin power cables from the system board [2]. 5.
6. Tilt the system board at 45–degrees, and then lift the system board out of the computer. 7. Lift the system board out of the computer.
Installing the System Board 1. Align the system board to the port connectors on the rear of the chassis and place the system board in the chassis. 2. Tighten the screws that secure the system board to the chassis. 3. Connect the cables to the system board. 4. Install all the cables: a) b) c) d) e) 5. processor heatsink assembly expansion card memory cover Follow the procedures in After Working Inside Your Computer.
System Setup 3 System Setup enables you to manage your computer hardware and specify BIOS‐level options.
Table 1. Navigation Keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. Allows you to select a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop‐down list, if applicable. Moves to the next focus area. NOTE: For the standard graphics browser only. Moves to the previous page till you view the main screen.
Option Description – UEFI Advanced Boot Options Allows you to Enable Legacy Option ROMs • Date/Time Enabled (Default) Allows you to set the date and time. The changes to the system date and time takes effect immediately. Table 3. System Configuration Option Description Integrated NIC Allows you to configure the integrated network controller.
Option Description part of the SMART (Self Monitoring Analysis and Reporting Technology) specification. • USB Configuration Enable SMART Reporting - This option is disabled by default. Allows you to enable or disable the internal USB configuration. The options are: • • • • • Audio Enable Boot Support Enable Front USB Ports Enable USB 3.0 Ports Enable Rear Dual USB 2.0 Ports Enable Dual USB 2.0 Ports (Under LAN ports) Allows you enable or disable the audio feature.
Option Description • • Enter the new password Confirm the new password Strong Password Enable strong password - This option is disabled by default. Password Configuration This field controls the minimum and maximum number of characters allowed for the admin and system passwords. • • • • Password Bypass Admin Password Min Admin Password Max System Password Min System Password Max Allows you to bypass the System Password and the internal HDD password prompts during a system restart.
Option Description • Enable CPU XD Support - This option is enabled by default. Admin Setup Lockout Allows you to enable or disable the option to enter setup when an admin password is set. • HDD Protection Support Enable Admin Setup Lockout - This option is not set by default. Allows you to enable or disable the HDD Protection feature • HDD Protection SupportDisable - This option is disabled by default. Table 6.
Table 7. Performance Option Description Multi Core Support Specifies whether the process will have one or all cores enabled. The performance of some applications will improve with the additional cores. • • • All - Enabled by default 1 2 Intel SpeedStep Allows you to enable or disable the Intel SpeedStep feature. Default Setting: Enable Intel SpeedStep C States Control Allows you to enable or disable the additional processor sleep states.
Option Description • • Fan Speed Control Enabled in S5 only Enabled in S4 and S5 Enabled Controls the speed of the system fan. This option is disabled by default. NOTE: When enabled, the fan runs at full speed. USB Wake Support This option allows you to enable USB devices to wake the computer from standby. • Wake on LAN Enable USB Wake Support - This option is enabled by default. This option allows the computer to power up from the off state when triggered by a special LAN signal.
Table 11. Maintenance Option Description Service Tag Displays the service tag of your computer. Asset Tag Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default. SERR Messages Controls the SERR message mechanism. This option is not set by default. Some graphics cards require that the SERR message mechanism be disabled. Table 12. Cloud Desktop Option Description Server Lookup Method Specifies how the ImageServer looks up the server address.
Option Description NOTE: This field is only relevant when the Integrated NIC control in the System Configuration group is set to Enabled with ImageServer and when Client DHCP is set to Static IP. Advanced Specifies for Advanced debugging • Verbose Mode (Disabled) NOTE: This Option is only relevant when the integrated NIC control in the System Configuration group is set to enable with Cloud Desktop. Table 13.
Clearing Forgotten Password The system's software security features include a system password and a setup password. The password jumper disables any password(s) currently in use. There are 3–pins for the password reset jumper. 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Identify the password reset jumper on the system board, see the System Board Components. 4. Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2 5. Install the cover.
CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended. NOTE: Your computer is shipped with the system and setup password feature disabled. Assigning a System Password and Setup Password You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup Password only when Password Status is Unlocked.
4. Select Setup Password, alter or delete the existing setup password and press or . NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you delete the System and/or Setup password, confirm the deletion when promoted. 5. Press and a message prompts you to save the changes. 6. Press to save the changes and exit from the System Setup. The computer reboots.
Diagnostics 4 If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
Troubleshooting Your Computer 5 You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the operation of the computer. Power LED Diagnostics The power button LED located on the front of the chassis also functions as a bicolored diagnostic LED. The diagnostic LED is only active and visible during the POST process. Once the operating system starts to load, it is no longer visible.
Amber LED State Description 3,6 possible system board resource and/or hardware failure 3,7 some other failure with messages on screen Beep Code The computer can emit a series of beeps during start-up if the display does not show errors or problems. These series of beeps, called beep codes, identify various problems. The delay between each beep is 300 ms, the delay between each set of beeps is 3 sec, and the beep sound lasts 300 ms.
Error Message Description Bad command or file name Ensure that you have spelled the command correctly, put spaces in the proper place, and used the correct pathname. Bad errorThe floppy or hard drive controller detected an uncorrectable read error. correction code (ECC) on disk read Controller has failed The hard drive or the associated controller is defective. Data error The floppy or hard drive cannot read the data.
Error Message Description please populate DIMM1 Keyboard failure A cable or connector may be loose, or the keyboard or keyboard/mouse controller may be faulty. Memory address line failure at address, read value expecting value A memory module may be faulty or improperly seated. Reinstall the memory modules and, if necessary, replace them. Memory allocation The software you are attempting to run is conflicting with the operating system, error another program, or a utility.
Error Message Description Non-system disk or disk error The floppy disk in drive A does not have a bootable operating system installed on it. Either replace the floppy disk with one that has a bootable operating system, or remove the floppy disk from drive A and restart the computer. Not a boot diskette The operating system is trying to boot to a floppy disk that does not have a bootable operating system installed on it. Insert a bootable floppy disk.
Error Message Description drive by calling your support desk or Dell. Write fault The operating system cannot write to the floppy or hard drive. Write fault on selected drive The operating system cannot write to the floppy or hard drive.
Technical Specifications 6 NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For comprehensive specification of your computer go to Specifications’ section in your Owner’s Manual available on the support site at dell.com/support. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer. Table 15.
Feature Specification Volume controls volume up/down buttons, program menus, and keyboard media-control keys Table 19. Communications Feature Specification Network adapter Intel 10/100/1000 Mbps Ethernet LAN on system board Table 20. Drives Feature Specification Externally accessible: ODD is externally accessible Internally accessible HDD is internally accessible Table 21.
Feature Specification Off (no light) — the computer is not detecting a physical connection to the network. Network activity light on integrated network adapter Yellow light — A blinking yellow light indicates that network activity is present. Power supply diagnostic light Green light — The power supply is turned on and is functional. The power cable must be connected to the power connector (at the back of the computer) and the electrical outlet. Table 23.
Feature Specification Altitude: Operating –15.2 m to 3048 m (–50 to 10,000 ft) Storage –15.20 m to 10,668 m (–50 ft to 35,000 ft) Airborne contaminant level 58 G1 or lower as defined by ANSI/ISA-S71.
Contacting Dell 7 NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. Go to dell.com/contactdell. 2.
