Dell Inspiron 15 5510 Service Manual - Page 72

Recovering the operating system, Flashing the BIOS

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Table 14. Diagnostic-light codes Diagnostic light codes (Amber, white) Problem description 1,1 TPM detection failure 1,2 Unrecoverable SPI flash failure 1,3 Short in hinge cable tripped OCP1 1,4 Short in hinge cable tripped OCP2 1,5 EC unable to program i-Fuse 1,6 EC internal Failure 2,1 Processor failure 2,2 System board: BIOS or ROM (Read-Only Memory) failure 2,3 No memory or RAM (Random-Access Memory) detected 2,4 Memory or RAM (Random-Access Memory) failure 2,5 Invalid memory installed 2,6 System-board or chipset error 2,7 Display failure - SBIOS message 2,8 Display failure - EC detection of power rail failure 3,1 CMOS battery failure 3,2 PCI, video card/chip failure 3,3 BIOS recovery image not found 3,4 Recovery image found but invalid 3,5 Power-rail failure 3,6 System BIOS Flash incomplete 3,7 Management Engine (ME) error 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 10 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/support. Flashing the BIOS About this task You may need to flash (update) the BIOS when an update is available or when you replace the system board. 72 Troubleshooting

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Table 14. Diagnostic-light codes
Diagnostic light codes
(Amber, white)
Problem description
1,1
TPM detection failure
1,2
Unrecoverable SPI flash failure
1,3
Short in hinge cable tripped OCP1
1,4
Short in hinge cable tripped OCP2
1,5
EC unable to program i-Fuse
1,6
EC internal Failure
2,1
Processor failure
2,2
System board: BIOS or ROM (Read-Only
Memory) failure
2,3
No memory or RAM (Random-Access Memory)
detected
2,4
Memory or RAM (Random-Access Memory)
failure
2,5
Invalid memory installed
2,6
System-board or chipset error
2,7
Display failure - SBIOS message
2,8
Display failure - EC detection of power rail
failure
3,1
CMOS battery failure
3,2
PCI, video card/chip failure
3,3
BIOS recovery image not found
3,4
Recovery image found but invalid
3,5
Power-rail failure
3,6
System BIOS Flash incomplete
3,7
Management Engine (ME) error
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 10 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/support
.
Flashing the BIOS
About this task
You may need to flash (update) the BIOS when an update is available or when you replace the system board.
72
Troubleshooting