probook 4540s

Forum discussion tagged with probook 4540s.
  1. Joe465

    Question My laptop keeps turning on and off when the AC adapter or battery is plugged in

    Hi, hope you can help with my issue So, my laptop probook 4540s was working perfectly fine until like 2 weeks ago. That day I had an issue when I plugged the AC adapter and the LED that is on top of the ac jack flashed white, the pc turned on but the battery wasnt charging. I looked it up...
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