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Windows 7: Question on Flickering Horizontal Black Bar

04 Aug 2012   #1

Windows 7 Home Premium
Question on Flickering Horizontal Black Bar

I installed windows 7 home premium 32bit on an older computer which is from 2006. At the time I purchased it, it was windows vista ready but ran Windows XP home. About 6 months ago I did a clean format and then installed Windows 7 (because of networking issues). I made sure that my computer had sufficient memory space etc and could handle running Windows 7 before I started. I did run the Windows 7 compatibility program to make sure. After installing Windows 7 everything seemed fine. Until I left it running for more than an hour and it went into hibernate mode. When I move the mouse and wake the computer up I then have a black bar with color pattern flickering on the screen. If I restart it, it goes away and everything's fine. Prior to installing Windows 7 the monitor was working fine. No issues. It only does this when it goes into hibernate mode. If I'm at the computer using it for 3 hours it's fine. I also find that when I set it up so that it does not hibernate, it doesn't do this at all. But then nothing responds on my computer either. I click on a program and it won't launch. Nothing happens. But it fixes the black pattern bar that I get though.

Just wondering if this is a driver issue? Or a video card issue. Maybe even though it has enough to run on Windows 7, it really needs more video memory.

Here's a video of what the screen does.

The noise in the background is me scanning a picture, not the monitor.

Just wondering if there is a quick fix or if a video card upgrade is in order?

I did check the HP website and they don't have any updated drivers or anything for the computer.

Computer specs: Now Running Windows 7 Home edition premium 32 bit version.
HP Pavilion Media Center a1640n Desktop PC Product Specifications - HP Customer Care (United States - English)

My System SpecsSystem Spec


 Question on Flickering Horizontal Black Bar

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