Inspiron 7786 Service Manual Regulatory Model: P36E Regulatory Type: P36E001
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. 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. © 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents 1 Before working inside your computer............................................................................................................. 8 Before you begin ............................................................................................................................................................... 8 2 After working inside your computer............................................................................................................... 9 3 Safety instructions....
Procedure..........................................................................................................................................................................26 Post-requisites..................................................................................................................................................................26 14 Removing the fan...................................................................................................................................
25 Replacing the wireless card........................................................................................................................44 Procedure..........................................................................................................................................................................44 Post-requisites..................................................................................................................................................................
Procedure..........................................................................................................................................................................57 37 Replacing the touchpad............................................................................................................................. 58 Procedure.......................................................................................................................................................................
Procedure..........................................................................................................................................................................73 49 Replacing the display cable........................................................................................................................ 74 Procedure.......................................................................................................................................................................
1 Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin 1 Save and close all open files and exit all open applications. 2 Shut down your computer. Click Start > Power > Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions. 3 Disconnect your computer and all attached devices from their electrical outlets.
2 After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and ensure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, or cables you removed before working on your computer. 3 Replace any media cards, discs, or any other parts that you removed before working on your computer. 4 Connect your computer and all attached devices to their electrical outlets.
3 Safety instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels.
• Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads. • When unpacking a static-sensitive component from its shipping carton, do not remove the component from the anti-static packing material until you are ready to install the component. Before unwrapping the anti-static packaging, ensure that you discharge static electricity from your body.
Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Lifting equipment Adhere to the following guidelines when lifting heavy weight equipment: CAUTION: Do not lift greater than 50 pounds. Always obtain additional resources or use a mechanical lifting device. 1 Get a firm balanced footing.
4 Recommended tools The procedures in this document may require the following tools: • Philips screwdriver #1 • Flat-head screwdriver • Plastic scribe Recommended tools 13
5 Screw list Table 1. Screw list Component Secured to Screw type Quantity Base cover Palm-rest assembly M2x5 6 Battery Palm-rest assembly M2x3 5 Wireless-card bracket System board M2x3 1 Hard-drive assembly Palm-rest assembly M2x3 4 Solid-state drive Palm-rest and keyboard assembly M2x3 1 Touchpad-bracket Palm-rest assembly M2x2 3 Touchpad Palm-rest assembly M2x2 4 Fan Palm-rest assembly M2x3 3 Display hinges Palm-rest assembly M2.
6 Removing the base cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Remove the eight screws (M2x5) that secure the base cover to the palm-rest assembly.
NOTE: The following step is applicable only if you want to further remove any other component from your computer. 5 Disconnect the battery cable from the system board.
7 Replacing the base cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Connect the battery cable to the system board.
4 Tighten the three captive screws that secure the base cover to the palm-rest assembly. 5 Replace the eight screws (M2x5) that secure the base cover to the palm-rest assembly.
8 Removing the battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover.
5 Turn the computer over, open the display, then press and hold the power button for five seconds to ground the system board.
9 Replacing the battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Using the alignment posts, place the battery on the palm-rest assembly.
Post-requisites Replace the base cover.
10 Removing the memory modules WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. Procedure 1 Lift the Mylar to access the memory module.
11 Replacing the memory modules WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Lift the Mylar to access the memory-module slot.
12 Removing the coin-cell battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default.
13 Replacing the coin-cell battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Adhere the coin-cell battery to the palm-rest assembly.
14 Removing the fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. Procedure 1 Remove the I/O cable from the routing guides on the fan.
15 Replacing the fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Using the alignment posts, place the fan on the palm-rest assembly.
16 Removing the heat sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. WARNING: The heat sink may become hot during normal operation.
17 Replacing the heat sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.
18 Removing the hard drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
5 Remove the four screws (M3x3) that secure the hard-drive bracket to the hard drive. 6 Lift the hard drive off the hard-drive bracket.
19 Replacing the hard drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Post-requisites 1 Replace the battery. 2 Replace the base cover.
20 Removing the solid-state drive/Intel Optane memory module You need to disable the Intel Optane memory before removing Intel Optane memory module from your computer. For more information about disabling the Intel Optane memory, see Disabling Intel Optane memory. WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer.
Removing the solid-state drive/Intel Optane memory module
21 Replacing the solid-state drive/Intel Optane memory module Enable the Intel Optane memory after you replace the Intel Optane memory module. For more information about enabling the Intel Optane memory, see Enabling Intel Optane memory. WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.
Post-requisites Replace the base cover. Enable the Intel Optane memory after you replace the Intel Optane memory module. For more information about enabling the Intel Optane memory, see Enabling Intel Optane memory. Procedure to move the screw mount This computer supports two solid-state drive form factors: • M.2 2230 • M.2 2280 If you are replacing the solid-state drive of a different form factor other than the one removed, see the following procedure to move the location of the screw mount.
Replacing the solid-state drive/Intel Optane memory module 39
22 Removing the speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. Procedure 1 Disconnect the speaker cable from the system board.
23 Replacing the speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
24 Removing the wireless card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. Procedure 1 Locate the wireless card on the system board.
Removing the wireless card 43
25 Replacing the wireless card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it.
26 Removing the display assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the wireless card. 3 Remove the fan.
27 Replacing the display assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: Place the computer on a soft and clean surface to avoid scratching the display.
28 Removing the power-adapter port WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the wireless card. 3 Remove the fan.
29 Replacing the power-adapter port WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Place the power-adapter port into the slot on the palm-rest assembly.
30 Removing the I/O board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the wireless card. 3 Remove the fan.
31 Replacing the I/O board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Align the USB ports on the I/O board with the slots on the palm-rest assembly.
32 Removing the power button with fingerprint reader WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader.
33 Replacing the power button with fingerprint reader WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader.
34 Removing the system board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
9 Remove the two screws (M2x2) that secure the system board to the palm-rest assembly. 10 Slide and lift the system board off the palm-rest assembly.
35 Replacing the system board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
Post-requisites 1 Replace the display assembly. 2 Replace the heat sink. 3 Replace the fan. 4 Replace the solid-state drive/Intel Optane. 5 Replace the wireless card. 6 Replace the memory modules. 7 Replace the base cover. Entering the Service Tag in the BIOS setup program 1 Turn on or restart your computer. 2 Press F2 when the Dell logo is displayed to enter the BIOS setup program. 3 Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.
36 Removing the touchpad WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the battery.
37 Replacing the touchpad WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Align the screw holes on the touch pad with the screw holes on the palm-rest assembly.
38 Removing the keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the battery.
3 Lift the keyboard bracket off the keyboard. 4 Remove the five screws (M1.2x1.5) that secures the keyboard to the palm-rest assembly. 5 Lift the keyboard off the palm-rest assembly.
39 Replacing the keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Align the screw holes on the keyboard with the screw holes on the palm-rest assembly.
5 Adhere the tape that secures the keyboard bracket to the keyboard. Post-requisites 1 Replace the touchpad. 2 Replace the system board. 3 Replace the power button with fingerprint reader 4 Replace the I/O board. 5 Replace the power-adapter port. 6 Replace the display assembly. 7 Replace the heat sink. 8 Replace the fan. 9 Replace the speakers. 10 Replace the wireless card. 11 Replace the coin-cell battery. 12 Replace the hard drive. 13 Replace the memory modules.
40 Removing the palm rest WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Remove the memory modules.
Removing the palm rest
41 Replacing the palm rest WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Place the palm rest on a flat surface. Post-requisites 1 Replace the keyboard.
42 Removing the display panel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
After performing the above steps, we are left with the display panel.
43 Replacing the display panel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Place the display panel on a flat surface. 2 Replace the display cable.
44 Removing the camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the wireless card. 3 Remove the fan.
45 Replacing the camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Connect the camera cable to the camera module.
46 Removing the display hinges WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the wireless card. 3 Remove the fan.
47 Replacing the display hinges WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
48 Removing the display cable WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the wireless card. 3 Remove the fan.
49 Replacing the display cable WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1 Adhere the display cable to the display panel.
50 Removing the display back-cover and antenna assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1 Remove the base cover. 2 Remove the wireless card.
51 Replacing the display back-cover and antenna assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
52 Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Video drivers In the Device Manager, check if the video driver is installed. Install the video driver update from www.dell.com/support. Intel Serial IO driver In the Device Manager, check if the Intel Serial IO driver is installed. Install the driver updates from www.dell.com/support.
53 System setup NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. Boot Sequence Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive).
NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference. Use the BIOS Setup program for the following purposes: • Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive. • Change the system configuration information.
General-System Information Maximum Clock Speed Displays the maximum processor clock speed. Processor L2 Cache Displays the processor L2 Cache size. Processor L3 Cache Displays the processor L3 Cache size. HT Capable Displays whether the processor is HyperThreading (HT) capable. 64-Bit Technology Displays whether 64-bit technology is used. Device Information SATA-0 Displays the M.2 SATA SSD-0 device information of the computer. SATA-1 Displays the M.
System Configuration Enable External USB Port Enable or disable booting from USB mass storage devices connected to external USB port. Audio Enable or disable the integrated audio controller. Keyboard Illumination Enables you to choose the operating mode of the keyboard illumination feature. Keyboard Backlight Timeout on AC When the backlight is enabled, this feature defines the timeout value for the keyboard backlight when an AC adapter is plugged into the computer.
Table 7. System setup options—Secure Boot menu Secure Boot Secure Boot Enable Enable or disable the secure boot feature. Secure Boot Mode Modifies the behavior of Secure Boot to allow evaluation or enforcement of UEFI driver signatures. Expert Key Management Expert Key Management Enable or disable Expert Key Management. Custom Mode Key Management Select the custom values for expert key management. Table 8.
Intel Software Guard Extensions POST Behavior Adapter Warnings Enable adapter warnings. Default: Enabled. Numlock Enable Enables the NumLock funcltion when computer boots. Fn Lock Options Enable or disable the Fn lock mode. Fastboot Enable to set the speed of the boot process. Default: Thorough. Extend BIOS POST Time Configure additional pre-boot delay. Full Screen Logo Enable or disable to display full screen logo.
Table 13. System setup options—SupportAssist System Resolution menu SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the even of certain system errors. Clearing CMOS settings CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer. 1 Remove the base cover.
54 Troubleshooting Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: 1 Turn on your computer. 2 Go to www.dell.com/support. 3 Click Product support, enter the Service Tag of your computer, and then click Submit. 4 Click Drivers & downloads > Find it myself. 5 Select the operating system installed on your computer. 6 Scroll down the page and expand BIOS.
NOTE: Some tests for specific devices require user interaction. Always ensure that you are present at the computer terminal when the diagnostic tests are performed. For more information, see Dell EPSA Diagnostic 3.0. Running the ePSA diagnostics 1 Turn on your computer. 2 As the computer boots, press the F12 key as the Dell logo appears. 3 On the boot menu screen, select the Diagnostics option. 4 Click the arrow at the bottom left corner. Diagnostics front page is displayed.
Table 14.
3 4 On the Intel Optane memory tab, click Disable to disable the Intel Optane memory. Click Yes if you accept the warning. The disabling progress is displayed. 5 Click Reboot to complete disabling your Intel Optane memory and restart your computer. WiFi power cycle If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed.
