Dell P28F004 owner manual LED Error Codes, No memory/RAM detected

LED Error Codes

Diagnostic LED codes are communicated via the Power Button LED. The Power Button LED blinks the corresponding LED codes for the corresponding fault condition. Example: For No Memory detected (LED code 2) , The Power Button LED blinks two times followed by a pause, blinks two times, pause, etc. This pattern continues until the system is powered off.

Code	Cause and Troubleshooting Steps
1	System board: BIOS ROM failure
	System board failure, covers BIOS corruption or ROM error
2	Memory
	No memory/RAM detected
3	Chipset Error (North and South Bridge Chipset, DMA/IMR/ Timer Error) , Time-Of-Day Clock test
	failure , Gate A20 failure , Super I/O chip failure , Keyboard controller test failure
	System board failure
4	RAM Read/Write failure
	Memory failure
5	Real-time clock power fail
	CMOS battery failure
6	Video BIOS test failure
	Video card failure
7	CPU - cache test failure
	Processor failure
8	Display
	Display failure

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