Dell OptiPlex 7080 Tower Service Manual - Page 95

Recovering the operating system, Real-Time Clock (RTC Reset), Backup media and recovery options,

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Table 9. Diagnostic LED behavior (continued) Blinking pattern Amber White 3 7 4 2 Problem description Suggested resolution ● If problem persists, replace the system board. Intel ME (Management Engine) Error ● Timeout waiting on ME to reply to HECI message ● If problem persists, replace the system board. CPU Power Cable Connection Issue 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. Real-Time Clock (RTC Reset) The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell systems from No POST/No Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models. Start the RTC reset with the system powered off and connected to AC power. Press and hold the power button for thirty (30) seconds. The system RTC Reset occurs after you release the power button. Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information. see Dell Windows Backup Media and Recovery Options. Diagnostic error messages Table 10. Diagnostic error messages Error messages AUXILIARY DEVICE FAILURE BAD COMMAND OR FILE NAME CACHE DISABLED DUE TO FAILURE Description The touchpad or external mouse may be faulty. For an external mouse, check the cable connection. Enable the Pointing Device option in the System Setup program. Ensure that you have spelled the command correctly, put spaces in the proper place, and used the correct path name. The primary cache internal to the microprocessor has failed. Contact Dell Troubleshooting 95

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Table 9. Diagnostic LED behavior (continued)
Blinking pattern
Problem description
Suggested resolution
Amber
White
●
If problem persists,
replace the system board.
3
7
Intel ME (Management
Engine) Error
●
Timeout waiting on ME to
reply to HECI message
●
If problem persists,
replace the system board.
4
2
CPU Power Cable Connection
Issue
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
.
Real-Time Clock (RTC Reset)
The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell systems from No POST/No
Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models.
Start the RTC reset with the system powered off and connected to AC power. Press and hold the power button for thirty (30)
seconds. The system RTC Reset occurs after you release the power button.
Backup media and recovery options
It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes
multiple options for recovering Windows operating system on your Dell PC. For more information. see
Dell Windows Backup
Media and Recovery Options
.
Diagnostic error messages
Table 10. Diagnostic error messages
Error messages
Description
AUXILIARY DEVICE FAILURE
The touchpad or external mouse may be faulty. For an
external mouse, check the cable connection. Enable the
Pointing Device
option in the System Setup program.
BAD COMMAND OR FILE NAME
Ensure that you have spelled the command correctly, put
spaces in the proper place, and used the correct path name.
CACHE DISABLED DUE TO FAILURE
The primary cache internal to the microprocessor has failed.
Contact Dell
Troubleshooting
95