Dell Precision 5490 - System-Diagnostic Lights

System-diagnostic lights
This section lists the system-diagnostic lights of your Precision 5490.
Table 53. System-diagnostic lights
Blinking pattern
Problem description Suggested resolutionAmber White
1 1 TPM detection failure
Replace the system board.
1 2 Unrecoverable SPI Flash
Failure
Replace the system board.
1 3 Short in hinge cable tripped
OCP1
Check if the display cable
(EDP) is seated properly
or pinched at the hinges.
If problem persists, replace
either display cable (EDP) or
display assembly (LCD).
1 4 Short in hinge cable tripped
OCP2
Check if the display cable
(EDP) is seated properly
or pinched at the hinges.
If problem persists, replace
either display cable (EDP) or
display assembly (LCD).
1 5 EC unable to program i-Fuse
Replace the system board.
1 6 Generic catch-all for
ungraceful EC code flow
errors
Disconnect all power source
(AC, battery, coin cell) and
drain flea power by pressing
and holding down the power
button for 3~5 seconds.
1 7 Unsupported SPI Flash
Replace the system board.
2 1 CPU failure
● Run the Dell SupportAssist
or Dell Diagnostics tool.
● If the problem persists,
replace the system board.
2 2 System board failure (included
BIOS corruption or ROM
error)
● Flash latest BIOS version
● If the problem persists,
replace the system board.
2 3 No memory or RAM detected
● Confirm that the memory
module is installed
properly.
● If the problem persists,
replace the memory
module.
2 4 Memory or RAM failure
● Reset and swap memory
modules among the slots.
● If the problem persists,
replace the memory
module.
2 5 Invalid memory installed
● Reset and swap memory
modules among the slots.
Troubleshooting 131