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Windows 7: Unable to use TV as standalone display

17 Jun 2009   #1

Win7 RC 7200 64bit
Unable to use TV as standalone display

I'm having trouble with my new HTPC. The specs are:

Athlon X2 4600+
2GB DDR2 800
MSI 8800GT OC (185.85 for Windows 7 64 bit)
Windows 7 RC 64 bit

TV is an older Samsung 47" HDTV. Supports 480i, 480p and 1080i. I have it set to 480p.

The problem I'm having is with the TV out. I have the TV set as the primary display but when I disconnect the monitor or remove the monitor in the nvidia control panel my tv screen will go black with little lines running horizontally. If I reconnect the monitor the display will show up correctly on the tv again. When I try to run a game (the only one I have tried so far is Lego Indiana Jones) the tv will go black with horizontal lines. If I alt - tab to get back to windows it goes back to normal and I can see the screen again.

I'm using the pigtail and component cables.

Does anyone have a clue as to what could be going on?

My System SpecsSystem Spec


 Unable to use TV as standalone display

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