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System diagnostic lights
Power-supply diagnostics light
Indicates the power-supply state.
Hard-drive activity light
Turns on when the computer reads from or writes to the hard drive.
Table 4. LED codes
Diagnostic light codes
1,2
2,1
2,2
2,3
2,4
2,5
2,6
3,1
3,2
3,3
3,4
3,5
3,6
3,7
4,2
Diagnostic error messages
Table 5. Diagnostic error messages
Error messages
AUXILIARY DEVICE FAILURE
BAD COMMAND OR FILE NAME
CACHE DISABLED DUE TO FAILURE
66
Troubleshooting
Problem description
Unrecoverable SPI flash failure
CPU failure
System board failure, corrupt BIOS, ROM error
No memory/RAM detected
Memory/RAM failure
Invalid Memory installed
System board error, chipset error, clock failure, gate A20 failure, super I/O failure,
keyboard controller failure
CMOS battery failure
PCIe or video card/chip failure
Recovery Image not found
Recovery Image found but invalid
Power Rail Failure
Paid SPI volume error
Intel ME (Management Engine) error
CPU power cable connection issue
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
4
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