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Crown4clown
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Flag Post

Laptop won't turn on power button blink every 4 sec

‎08-27-2021 03:24 AM

HP Recommended
Product: Hp Probook 450 g2
Operating System: Microsoft Windows 10 (64-bit)

Hello

My laptop is hp probook 450 g2 and it won't turn on. When i try turning it on using battery or charger the power button, numlk key

, speaker and wifi button And the charging led blinks together about every 4 sec

I noticed also that when the blink happen the fan start rotating and stop i may add while i plug the charger the power button blink 

I already tried hard reset  removed ram and clean it  but nothing changed

So what to do? 

Hope anyone help me 

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