I have a gateway with vista, it has an intel core 2 quad. We updated the video card about 6 months ago, with no problems. We run the computer through the tv via hdmi . I have no other monitor. We updated the card so that we could use hdmi. About a month ago, I went to start up the computer (TV detected) and it ran through the startup, I got the microsoft processing bar, then the tv does not detect an input signal. We took it to be looked at, and it functioned fine, took it home and same problem. we tried it with a different tv, and it worked somewhat, but couldnt see the full screen. Then, we plugged it into the original tv and it worked. yesterday, the computer went into hibernation (overnight) and is now doing the same thing. I have cleaned the video card, fan, etc. nothing. the computer is running the whole time. fan, processing clicks etc. The tv also shows a power source, even though nothing is on the screen. when i start it up, there is only one beep (which is normal). I have tried taking out the video card and using the internal card with a vga, and the tv doesnt even detect that it is plugged in. at my wits end!! Any help would be appreciated.
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