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 1. System diagnostic
lights
Light pattern |
Problem description |
1
|
System board, BIOS corruption, or ROM error |
3
|
System board, Chipset error, Clock failure, Gate
A20 failure, Super I/O failure, or Keyboard controller 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 |
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.