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 dierent 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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