Service Manual

Light pattern Problem description Suggested solution
problem persists, replace the
memory module.
2,4 Memory or RAM failure Replace the memory module.
2,5 Invalid memory installed Replace the memory module.
2,6 System board or chipset
error
Replace the system board.
2,7 LCD failure Replace the LCD.
3,1 CMOS battery failure Replace the CMOS battery.
3,2 PCI or video card or chip
failure
Replace the CMOS battery.
3,3 Recovery image not
found
Reimage the system.
3,4 Recovery image found
but invalid
Reimage the system.
The computer may emit a series of beeps during start-up if the errors or
problems cannot be displayed. The repetitive beep codes help the user
troubleshoot problems with the computer.
Camera status light: Indicates whether the camera is in use.
Solid white – Camera is in use.
Off – Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
Solid white – Caps Lock enabled.
Off – Caps Lock disabled.
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