Service Manual

Table Of Contents
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
92 Troubleshooting