Hp Probook 4540s Boardview Link [top] Review
The boardview will show the physical location of the connector. Next, you need to check the two input MOSFETs near the power connector. A common failure point is a short circuit in one of these components. Use the boardview to identify these MOSFETs on the board image and then use your multimeter to test for continuity.
Look for these common board numbers printed directly on the green or blue PCB surface: 11243-1 48.4SI01.011 hp probook 4540s boardview link
Instantly find microscopic components on a crowded PCB. The boardview will show the physical location of