System-diagnostic lights
This section lists the system-diagnostic lights of your OptiPlex 3000 Thin Client.
Table 21. 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 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 power
button for 3~5 seconds.
2 1 CPU failure
● Run the Dell Support
Assist/Dell Diagnostics
tool.
● If problem persists,
replace the system board.
2 2 System board failure (included
BIOS corruption or ROM
error)
● Flash latest BIOS version
● If problem persists,
replace the system board.
2 3 No memory/RAM detected
● Confirm that the memory
module is installed
properly.
● If problem persists,
replace the memory
module.
2 4 Memory/RAM failure
● Reset and swap memory
modules among the slots.
● If problem persists,
replace the memory
module.
2 5 Invalid memory installed
● Reset and swap memory
modules among the slots.
● If problem persists,
replace the memory
module.
2 6 System board/Chipset Error
Replace the system board.
2 7 LCD failure (SBIOS message)
Replace the LCD module.
2 8 LCD failure (EC detection of
power rail failure)
Replace the system board.
3 1 CMOS battery failure
● Reset the main battery
connection.
● If problem persists,
replace the main battery.
3 2 PCI or Video card/chip failure
Replace the system board.
Troubleshooting 59
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