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Windows 7: Cannot get video to play in full screen mode

01 Dec 2013   #1

Windows 7 Pro 64bit
Cannot get video to play in full screen mode

Running Windows 7 Pro fully patched.

Windows Media Center was working well. I don't know what changed but now all videos, movies, etc all display with black bars above and beneath the picture. I think this is called letterbox. I have tried every setting and I cannot change the display to remove the letterbox.

I have checked the Windows 7 display settings to be sure they are correct.

How do I troubleshoot this problem?

My System SpecsSystem Spec
04 Dec 2013   #2

Windows 7 Pro 64bit

Problem solved. There is a small device which converts the output of the pc to a composite signal. This feeds an old TV; one which was made long before computers were available. I did not realize this small box could malfunction and change the computer video output so both the television and the computer monitor video would appear letterboxed. I rebooted the small device and now all is working well.
My System SpecsSystem Spec

 Cannot get video to play in full screen mode

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