Can't enter bios and nothing on desktop

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Thursday August 6, 2015
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Thursday January 22, 2015
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Pc starts up. I can hear the fans...lights are on inside. I ues a 46 inch tv as my monitor. The tv works fine. The tv monitor message says "searching for connections then goes black. I can't get ino the bios and have tried using various keyboards. I have done all the usual checks. Any help woild be appreciated.

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Any chance you can get a PC monitor to test with. It's a 50/50 chance that the problem is with either the video driver or the TV configuration.
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Tried that! Starting ti think it could be the video card. Gtx 580 . I wonder if i remove and replace the vc if that might help.
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How is your monitor connected to the PC? VGA, HDMI, DVI? Are you sure that the TV is set to the appropriate connection to receive signal from the PC?