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Win 7 freezes on video playback in media center
A week ago I was downgrading the video card in my HTPC from a Radeon HD 4870 to HD4850 to use the 4870 in a crossfire setup in a gaming pc. After installing the HD4850 in the HTPC it started freezing during while using Media Center- especially during video playback or live tv viewing. I have Hauppage 2250 and 950Q
tv tuner cards installed though at the moment they are removed so I can try to isolate the issue. After switching back to the original HD4870 and doing a fresh install of Win7 on a new hard drive the computer still freezes during video playback. I just learned about this forum, so I am hoping someone can help me out. I've attached my BSOD files below. Thanks!
Windows 7 Ultimate x64 installed OEM version on a home built HTPC.
The hardware is 3 years old. I reinstalled the OS 2 days ago on a new hard drive .