Service Manual

Light pattern Problem description Suggested solution
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.
• O – Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
• Solid white – Caps Lock enabled.
• O – Caps Lock disabled.
Flea power release
Flea power is the residual static electricity that remains on the computer even after it
has been powered o and the battery has been removed. The following procedure list
the steps to conduct a ea power release for the computer.
1 Shut down the computer.
2 Remove the base cover.
3 Follow step 1 in “Removing the battery”.
4 Press and hold down the power button for 15 seconds to ground the system
board.
5 Follow step 3 in “Replacing the battery”.
6 Replace the base cover.
7 Turn on the computer.
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