Question Weird black screen issue

emh

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Apr 5, 2013
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Have a fairly new HP laptop that has a weird black screen issue. I'll try to explain this as best as I can. Whenever I shut down the laptop, either manually or via Windows, and then restart the laptop, the laptop enters into a black screen. I then have to wait about 4-12 hours, restart the computer again, and it magically starts working again. This has happened about 4 times over the past few weeks.

Any idea what might cause something like that? A couple of other things. When it's in the "black screen mode" and I restart the laptop, I sometimes hear a loud humming sound coming from the laptop. I've also tried hooking it up to my TV when it's in the black screen mode and I get no display on the TV.

Any thoughts would be greatly appreciated, thanks!
 

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