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
51
Summary of Contents for Latitude 3540
Page 1: ...Dell Latitude 3540 Owner s Manual Regulatory Model P28F Regulatory Type P28F004 ...
Page 8: ...8 ...
Page 40: ...40 ...
Page 47: ...6 Press Y to save the changes and exit from the System Setup The computer reboots 47 ...
Page 48: ...48 ...
Page 52: ...52 ...
Page 58: ...58 ...