User Manual

NOTE: See the light patterns to determine the device that is failing.
O – Computer is in hibernation or turned o.
The power status light blinks amber along with beep codes indicating failures.
For example, the power status light blinks amber two times followed by a pause, and
then blinks white three times followed by a pause. This 2,3 pattern continues until the
computer is turned o indicating the Recovery image is not found.
The following table shows dierent light patterns and what they indicate:
Table 8. System diagnostic lights
Light pattern Problem description
1 System board, BIOS corruption, or ROM error
2 Memory not found
3 System board, chipset failure
4 Memory or RAM failure
5 Coin-cell battery failure
6 GPU failure
7 CPU failure
8 Display failure
3,6 BIOS recovery image not found
3,7 BIOS recovery image found but invalid
Solid Amber → 2,1
CPU failure
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.
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