Dell OptiPlex 7000 Small Form Factor Service Manual - Page 105

Recovering the operating system, Real Time Clock—RTC reset

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Table 32. 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 the recently launched model Dell Latitude and Precision systems from No POST/No Boot/No Power situations. You can initiate the RTC reset on the system from a power-off state only if it is connected to AC power. Press and hold the power button for 25 seconds. The system RTC reset occurs after you release the power button. NOTE: If AC power is disconnected from the system during the process or the power button is held longer than 40 seconds, the RTC reset process gets aborted. The RTC reset will reset the BIOS to Defaults, un-provision Intel vPro and reset the system date and time. The following items are unaffected by the RTC reset: ● Service Tag ● Asset Tag ● Ownership Tag ● Admin Password ● System Password ● HDD Password ● Key Databases ● System Logs NOTE: The IT administrator's vPro account and password on the system will be un-provisioned. The system needs to go through the setup and configuration process again to reconnect it to the vPro server. The below items may or may not reset based on your custom BIOS setting selections: ● Boot List ● Enable Legacy Option ROMs ● Secure Boot Enable ● Allow BIOS Downgrade Troubleshooting 105

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Table 32. 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 the recently launched model Dell
Latitude and Precision systems from
No POST/No Boot/No Power
situations. You can initiate the RTC reset on the system
from a power-off state only if it is connected to AC power. Press and hold the power button for 25 seconds. The system RTC
reset occurs after you release the power button.
NOTE:
If AC power is disconnected from the system during the process or the power button is held longer than 40
seconds, the RTC reset process gets aborted.
The RTC reset will reset the BIOS to Defaults, un-provision Intel vPro and reset the system date and time. The following items
are unaffected by the RTC reset:
●
Service Tag
●
Asset Tag
●
Ownership Tag
●
Admin Password
●
System Password
●
HDD Password
●
Key Databases
●
System Logs
NOTE:
The IT administrator's vPro account and password on the system will be un-provisioned. The system needs to go
through the setup and configuration process again to reconnect it to the vPro server.
The below items may or may not reset based on your custom BIOS setting selections:
●
Boot List
●
Enable Legacy Option ROMs
●
Secure Boot Enable
●
Allow BIOS Downgrade
Troubleshooting
105