Table 18. States Under Host BIOS Control
Amber LED state
White LED state
System state
Notes
2
5
BIOS state 1
BIOS Post code (Old LED
pattern 0001) Corrupt BIOS.
2
6
BIOS state 2
BIOS Post code (Old LED
pattern 0010) CPU config or
CPU failure.
2
7
BIOS state 3
BIOS Post code (Old LED
pattern 0011) MEM config
in process. Appropriate mem
modules detected but failure
has occurred.
3
1
BIOS state 4
BIOS Post code (Old LED
pattern 0100) Combine PCI
device config or failure with
video sub sytem config or
failure. BIOS to eliminate 0101
video code.
3
2
BIOS state 5
BIOS Post code (Old
LED pattern 0110) Combine
storage and USB config or
failure. BIOS to eliminate 0111
USB code.
3
3
BIOS state 6
BIOS Post code (Old LED
pattern 1000) MEM config, no
memory detected.
3
4
BIOS state 7
BIOS Post code (Old
LED pattern 1001) Fatal
Motherboard error.
3
5
BIOS state 8
BIOS Post code (Old LED
pattern 1010) Mem config,
modules incompatible or
invalid config.
3
6
BIOS state 9
BIOS Post code (Old
LED pattern 1011) combine
"Other pre-video activity and
resource configuration codes.
BIOS to eliminate 1100 code.
3
7
BIOS state 10
BIOS Post code (Old LED
pattern 1110) Other pre-post
activity, routine subsequent to
video init.
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
.
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.
Troubleshooting
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Содержание D18M
Страница 1: ...OptiPlex XE3 Tower Service Manual Regulatory Model D18M Regulatory Type D18M005 August 2021 Rev A01 ...
Страница 23: ...c Press the blue release tab 1 and slide the optical drive out of the computer 2 Disassembly and reassembly 23 ...
Страница 43: ...5 Pull the power switch out from the computer Disassembly and reassembly 43 ...
Страница 60: ...b Slide and lift the system board away from the computer 1 2 60 Disassembly and reassembly ...