System Diagnostic Lights - Dell XPS 13 Service Manual

6 Select the device from the left pane and click Run Tests.
7 If there are any issues, error codes are displayed.
Note the error code and contact Dell.
or
8 Shut down the computer.
9 Press and hold the Fn key, while pressing the power button, and then release
both.
10 Repeat steps 3–7 above.

System diagnostic lights

Power and battery-status light
Indicates the power and battery-charge status.
Solid white—Power adapter is connected and the battery has more than 5 percent
charge.
Solid amber—Computer is running on battery and the battery has less than 5
percent charge.
Off
• Power adapter is connected and the battery is fully charged.
• Computer is running on battery and the battery has more than 5 percent charge.
• Computer is in sleep state, hibernation, or turned off.
The power and battery-status light blinks amber along with beep codes indicating
failures.
For example, the power and battery-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 no memory or RAM is detected.
The following table shows different power and battery-status light patterns and
associated problems.
Table 16. Diagnostics
Light pattern
2,1
2,2
2,3
Problem description
CPU failure
System board: BIOS and ROM failure
No memory or RAM detected
113