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I have an HP 6640. I turned on my laptop and it didn't start. the blue lights turn on and off, but the screen remains black. the bios doesn't run and there is no boot up. Please help.

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  • oberholzerro Apr 21, 2009

    Its a laptop dv6640br, i think the part number is gy037la

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What is the model and part number? Is it a laptop?

Posted on Apr 21, 2009

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