How/what to test in HP elitebook 6930p laptop charging circuit

Needheplp2016

Commendable
Jun 1, 2016
4
0
1,510
I think something in my laptop's charging circuit has gone bad because I tested the adapter and power Jack and they're both fine, I even tried removing the battery and holding the power button for 30 seconds. what components should I test. It's HP elitebook 6930p
 

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