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Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.

‎04-27-2018 10:54 PM

HP Recommended
Product: ProBook 450 G1
Operating System: Microsoft Windows 10 (64-bit)

when I'm press the power button, the LED near ther power socket blink one time in yellow color and two quick blinks in white color. in between the internal cooloign fan turn on and off twice.  after that no LED blinkings :Crying: 

then the internal cooloign fan turn on and working in maximum rpm.  no boot & no display.  backlighs of power, wifi and sound buttons are turned on. 

 

Tried : Memory module reset, Hard reset

 

* Battery and the AC power adapeter working in good condition.

 

Please help me to trobleshoot this problem :generic:

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