Dell 24-3475 Service Manual page 104

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
1
2
3
4
5
6
7
8
3,6
3,7
Solid Amber → 2,1
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.
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Problem description
System board, BIOS corruption, or ROM error
Memory not found
System board, chipset failure
Memory or RAM failure
Coin-cell battery failure
GPU failure
CPU failure
Display failure
BIOS recovery image not found
BIOS recovery image found but invalid
CPU failure