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‎09-04-2016 07:01 AM

HP Recommended
Product: HP Probook 450 G1
Operating System: Microsoft Windows 10 (64-bit)
My HP Probook does not turn on. When I press the power button, nothing happens. But when I connevt the AC adapter (both with and without the battery) the light beside the AC port continuously blinks white until I unplug it. I tried the method to unplug everything and hold the power button for 20s, nothing happened.

What is the problem in this case?
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