I've had my HTPC connected to my Sony KDL-52v5100 for several months now. Up until about a week ago I was using the HDMI out on the motherboard with zero issues. I decided to install an Nvidia GTX 560 so that I could do some gaming on this PC. I connected the VGA using a mini HDMI adapter and standard HDMI cable. I have the computer set up to go into sleep mode after 20 minutes. (I dont usually ever shut it down all the way) Since the video card install the HDMI inputs on my TV will randomly stop working. When this happens all of the inputs stop working and I get a message that says no signal. It doesn't matter which input I use or what I try to connect to it they're all dead. If I disconnect the PC and do a hard reset on the TV everything goes back to normal. I updated to the latest firmware on the TV and my video card drivers are up to date. I'm baffled but hopeful someone here may have an answer. Thanks in advance for any suggestions.
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3/3/12 at 8:57am