HP ProBook 4545s HP Notebook User Guide - Linux - Page 53
To test the AC adapter, the AC adapter is not functioning and should be replaced.
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To test the AC adapter: 1. Shut down the computer. 2. Remove the battery from the computer. 3. Connect the AC adapter to the computer, and then plug it into an AC outlet. 4. Turn on the computer. ● If the power lights turn on, the AC adapter is functioning properly. ● If the power lights remain off, the AC adapter is not functioning and should be replaced. Contact technical support for information on obtaining a replacement AC power adapter. Using external AC power 43
To test the AC adapter:
1.
Shut down the computer.
2.
Remove the battery from the computer.
3.
Connect the AC adapter to the computer, and then plug it into an AC outlet.
4.
Turn on the computer.
●
If the power lights turn
on
, the AC adapter is functioning properly.
●
If the power lights remain
off
, the AC adapter is not functioning and should be replaced.
Contact technical support for information on obtaining a replacement AC power adapter.
Using external AC power
43