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Envy Desktop 700-074 blank screen

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Computer monitor is blank. Only shows "no signal" for a few seconds.

Verified that the unit is on. Fans are blowing. Orange strip is lit.

On first attempted start when the problem occurred, I heard beeps but did not keep a count. My guess is that it was more than 3-4.

Monitor works with the same cable to a different computer. Also verified wireless mouse works on a different computer. USB plug for mouse does not light up on the HP.

I am using a DVI to VGA adapter. I don't have the right cable yet to try the other DVI output. Will this work or if one is out/both are out? The video card appears integrated to the MB. If I install a new video card in the PCI ex slot, how do I start up?

Thanks


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