System-Diagnostic Lights - Dell P175G Owner's Manual

System-diagnostic lights

This section lists the system-diagnostic lights of your Latitude 7450.
Table 53. System-diagnostic lights
Blinking pattern
Amber
1
1
1
1
1
1
2
2
2
2
2
2
142 Troubleshooting
White Problem description
1 TPM detection failure
2 Unrecoverable SPI Flash
5 EC unable to program i-Fuse
6
ungraceful EC code flow
7 Unsupported SPI Flash
8 Catastrophic error signal has
1
2 System board failure (included
BIOS corruption or ROM
3 No memory/RAM detected
4 Memory/RAM failure
5 Invalid memory installed
6 System board/Chipset Error
Failure
Generic catch-all for
errors
tripped
CPU failure
error)
Suggested resolution
Replace the system board.
Replace the system board.
Replace the system board.
Disconnect all power source
(AC, battery, coin cell) and
drain flea power by pressing
and holding down power
button for 3-5 seconds.
Replace the system board.
Disconnect all power source
(AC, battery, coin cell) and
drain flea power by pressing
and holding down the power
button for 3~5 seconds.
● Run the Dell Support
Assist/Dell Diagnostics
tool.
● If problem persists,
replace the system board.
● Flash latest BIOS version
● If problem persists,
replace the system board.
● Confirm that the memory
module is installed
properly.
● If problem persists,
replace the memory
module.
●
Reset and swap memory
modules among the slots.
● If problem persists,
replace the memory
module.
● Reset and swap memory
modules among the slots.
● If problem persists,
replace the memory
module.
Replace the system board.