Dell Latitude 2120 (Late 2010) User Manual
Page 56
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LCD panel error
1.
Reseat the LCD cable.
2.
Replace the LCD panel.
3.
Replace the video card/system board.
OFF-FLASH-OFF
Memory compatibility error
1.
Install compatible memory modules.
2.
If two modules are installed, remove one and test. Try the
other module in the same slot and test. Test the other slot
with both modules.
3.
Replace the memory.
4.
Replace the system board.
ON-FLASH-ON
Memory is detected but has
errors
1.
Reseat the memory.
2.
If two modules are installed, remove one and test. Try the
other module in the same slot and test. Test the other slot
with both modules.
3.
Replace the memory.
4.
Replace the system board.
FLASH-FLASH-FLASH
System board error
1.
Replace the system board.
OFF-ON-OFF
Storage device error
1.
Reseat the hard drive.
2.
Replace the hard drive.
3.
Replace the system board.
FLASH-FLASH-ON
Video card error
1.
Replace the system board.