Diagnostics
Power status light: Indicates the power status.
Solid Amber – The computer is unable to boot to the operating system. This indicates that the power supply or another device
in the computer is failing.
Blinking Amber – The computer is unable to boot to the operating system. This indicates that the power supply is normal but
another device in the computer is failing or not installed properly.
NOTE: See the light patterns to determine the device that is failing.
Off – Computer is in hibernation or turned off.
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 off indicating the Recovery image is not found.
The following table shows different 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.
● Off – Camera is not in use.
Flea power release
About this task
Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has
been removed. The following procedure provides the instructions on how to conduct flea power release:
Steps
1. Turn off your computer.
2. Disconnect the power adapter from your computer.
3. Press and hold the power button for 15 seconds to drain the flea power.
4. Connect the power adapter to your computer.
5. Turn on your computer.
Troubleshooting
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