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Tech Helproom


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Laptop Blank, Black Screen


morddwyd

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My Acer Aspire is suddenly showing a totally blank, black screen on switch on, no back light, no nothing.

I can hear the processor fan/hard disc, and if I put a Windows disc in the disc drive it whirrs for a while and then stops, with nothing coming up on the screen.

I have tried a hard disc from a different laptop, with the same result, when I would have at least expected the bios screen.

I have also tried the failed hard disc in another laptop when I get the blue "Computer shut down to protect Windows" screen

Seems fairly obvious the BIOS has gone belly up.

Any suggested fixes?

Win 7 64 bit.

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rdave13

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It might be the graphics chip. Can you connect another monitor, or TV even, just to check?

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Fruit Bat /\0/\

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check its not trying to use an external screen

attach a monitor to external screen vga port

or try the key combination that swaps between screens (Fn+F5 on mine) key with blue square.

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rdave13

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Some info here.

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lotvic

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Cable to lid might be faulty, try moving lid to see if any flickers of life on screen.

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robinofloxley

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BIOS is rarely faulty as such. But if more than 3 yrs old, you could try a new CR2032 button battery available from computer stores, supermarkets and poundshops.

I think the above suggestions are more likely though.

Also try shining a torch on the black screen and see if anything there (backlight failure)

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morddwyd

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Thanks for responses.

Not sure how the possibilities suggested would have any effect when the hard drive is put in another laptop (same make, Acer Aspire, different model) though - blue screen, automatic shutdown "to protect Windows.

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lotvic

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I think the swapping of harddrives to and fro, and what comes on display prove that the 1st laptop has a screen problem. Backlight gone or cable loose.

As has been suggested try 1st laptop with an external monitor to rule out screen problem.

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