Recovering The Operating System; Updating The Bios Using The Usb Drive In Windows - Dell P82G Service Manual

Table 15. Diagnostic-light LED codes (continued)
Diagnostic light codes
(Amber,White)
2,4
2,5
2,6
2,7
2,8
3,1
3,2
3,3
3,4
3,5
3,6
3,7

Recovering the operating system

When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows operating
system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating
system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its
factory state.
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their
primary operating system due to software or hardware failures.
For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at
www.dell.com/serviceabilitytools. Click SupportAssist and then, click SupportAssist OS Recovery.

Updating the BIOS using the USB drive in Windows

1. Follow the procedure from step 1 to step 6 in
2. Create a bootable USB drive. For more information, see the knowledge base article
3. Copy the BIOS setup program file to the bootable USB drive.
4. Connect the bootable USB drive to the computer that needs the BIOS update.
5. Restart the computer and press F12 .
6. Select the USB drive from the One Time Boot Menu.
7. Type the BIOS setup program filename and press Enter.
The BIOS Update Utility appears.
Problem description
Memory or RAM (Random-Access
Memory) failure
Invalid memory installed
System-board or chipset error
Display failure - SBIOS message
Display failure - EC detection of power rail
failure
Coin-cell battery failure
PCI, video card/chip failure
Recovery image not found
Recovery image found but invalid
Power-rail failure
System BIOS Flash incomplete
Management Engine (ME) error
Updating the BIOS in Windows
Recommended solutions
Reset and swap memory modules among the slots. If
problem persists, replace the memory module.
Reset and swap memory modules among the slots. If
problem persists, replace the memory module.
Flash latest BIOS version. If problem persists, replace
the system board.
Replace display cable (EDP) if possible, otherwise
replace the display assembly (LCD).
Reset the CMOS battery connection. If problem
persists, replace the RTC battery.
Replace the system board.
Flash latest BIOS version. If problem persists, replace
the system board.
Flash latest BIOS version. If problem persists, replace
the system board.
EC ran into power sequencing failure. If problem
persists, replace the system board.
Flash corruption detected by SBIOS. If problem
persists, replace the system board.
Timeout waiting on ME to reply to HECI message. If
problem persists, replace the system board.
to download the latest BIOS setup program file.
000145519 at www.dell.com/support.
Troubleshooting 69