Dell Latitude XT2 XFR (Late 2009) - Manual (Page 91)

Dell ™ Latitude™ XT2 XFR Service Manual
Page 91 of 94 Version A00-01
6.8 Keyboard Status LEDs
The green lights located above the keyboard indicate the following:
Turns on when the numeric keypad is
enabled.
Turns on when the Caps Lock function is
enabled.
Turns on when the Scroll Lock function is
enabled.
6.9 LED Error Codes
Appearance Description Next Step
ON-OFF-OFF
No
SODIMMs
are installed
1. Install supported
memory modules.
2. If memory is already
present, reseat the
module(s) one at
time in each slot.
3. Try known good
memory from
another computer or
replace the memory.
4. Replace the system
board.
FLASH-ON-ON
System
board error
1. Reseat the
processor.
2. Replace the system
board.
3. Replace the
processor.
FLASH-ON-FLASH
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.