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lolo0305
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Flag Post

Black screen when powered on

HP Recommended
Laptop 15 ef0025wm

When I turn on my laptop the screen is black. I have to use the windows key+B+power button(for 1 second) to get screen to work. Now that isn't even working all the time. I already had it repaired once but it continues to do this. Why is this happening? I have only had this laptop for12 months. 

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