Table 21. System-diagnostic lights (continued)
Blinking pattern
Problem description Suggested resolutionAmber White
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.
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.
3 3 BIOS Recovery image not
found
● Flash latest BIOS version
● If problem persists,
replace the system board.
3 4 BIOS Recovery image found
but invalid
● Flash latest BIOS version
● If problem persists,
replace the system board.
3 5 Power rail failure
● EC ran into power
sequencing failure.
● If problem persists,
replace the system board.
3 6 Flash corruption detected by
SBIOS.
● Press power button for
over 25 seconds to do
RTC reset. If problem
persists, replace the
system board.
● Disconnect all power
source (AC, battery, coin
cell) and drain flea power
by pressing and holding
down power button 3~5
Troubleshooting 89
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