问题 提问于 2017年8月2日
I use Windows 7 ultimate. Recently I wanted to make a video from windows movie maker.......I saved the file in .wmv format and it was saved successfully. Now ,when I try to play the file,.....the video doesn't show up,....all I have is a black screen. I saved it in the mp4 format,....but again encountered the same problem.
I updated the driver software ,for display........it's showing up to date...& still nothing is helping..
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