Dell Vostro 5502 Service Manual - Page 89

Recovering the operating system, Flashing the BIOS

Get Dell Vostro 5502 PDF manuals and user guides View all Dell Vostro 5502 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 89 highlights

Table 21. LED codes (continued) Diagnostic light codes 2,1 2,2 2,3 2,4 2,5 2,6 2,7 2,8 2,9 3,1 3,2 3,4 3,5 3,6 3,7 3,8 3,9 Problem description CPU failure Motherboard covers BIOS corruption or ROM error No Memory/RAM detected Memory/RAM Failure Invalid memory installed Motherboard/Chipset Error LCD failure - SBIOS message LCD failure - EC detection of power rail failure CMOS battery failure PCI of Video card/chip failure Recovery Image found but invalid EC ran into power sequencing failure Flash corruption detected by SBIOS Timeout waiting on ME to reply to HECI message - Camera status indicator: Indicates whether the camera is in use. ● Solid white - Camera is in use. ● Off - Camera is not in use. Caps Lock status indicator: Indicates whether Caps Lock is enabled or disabled. ● Solid white - Caps Lock enabled. ● Off-Caps Lock disabled. 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 It is recommended to flash the BIOS when an update is available or when you replace the system board. To flash the BIOS: Troubleshooting 89

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
Table 21. LED codes (continued)
Diagnostic light codes
Problem description
2,1
CPU failure
2,2
Motherboard covers BIOS corruption or ROM error
2,3
No Memory/RAM detected
2,4
Memory/RAM Failure
2,5
Invalid memory installed
2,6
Motherboard/Chipset Error
2,7
LCD failure - SBIOS message
2,8
LCD failure - EC detection of power rail failure
2,9
-
3,1
CMOS battery failure
3,2
PCI of Video card/chip failure
3,4
Recovery Image found but invalid
3,5
EC ran into power sequencing failure
3,6
Flash corruption detected by SBIOS
3,7
Timeout waiting on ME to reply to HECI message
3,8
-
3,9
-
Camera status indicator:
Indicates whether the camera is in use.
●
Solid white — Camera is in use.
●
Off — Camera is not in use.
Caps Lock status indicator:
Indicates whether Caps Lock is enabled or disabled.
●
Solid white — Caps Lock enabled.
●
Off—Caps Lock disabled.
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
It is recommended to flash the BIOS when an update is available or when you replace the system board. To flash the BIOS:
Troubleshooting
89