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HP Recommended
Elitebook 840 G3

I had used my system earlier today. I hibernated it. Then later when I tried to start it up, it wouldn't display. So I pressed the power button for 3 seconds to shut it down. Then tried to power it but it still won't display, then the fan started making a noise. I had to long press the power button to shut it down then I tried to restart it. It started normally but stopped and said it had to restart as the system had encountered a problem. It restarted fine, but shortly it displayed a blank screen and I shut it down. But now when I power it it just shown the power button and keyboard light blinking but doesn't come on.

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