Question Ongoing video stutter after switching GPU

silversmithy

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Nov 13, 2012
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I have an HP pavilion a6650f desktop that had an HD 6450 GPU in it. I swapped that card for a GT 740 4gb SC. To be honest I don't always remove all the previous drivers, etc. like I should, but anyway all worked out fine. I decided to use the GT 740 somewhere else and put the hd 6450 back into the a6650f. This time I tried to do it right and did my best to uninstall previous, and any drivers I could find with DDU. I put the hd 6450 back in, reinstalled proper driver and immediately had sound issues. Ran DDU again, deleted previous Invidia audio drivers, etc..... Eventually I did get audio back. I should mention I was using the HDMI port on the 6450 to my HDMI on my TV. Now, and still ongoing everytime i click on the volume icon lower right and try to adjust volume the screen will flash prior to volume sounding, and again when I exit the volume option. It also has occurred when starting/opening programs, and or if I unplug my USB controller or a thumb drive even when properly ejecting. I just recently swapped an HD 6850 in to see what would happen and same issue. I have limited access to Internet so have to use my phone as a hotspot and limited to 2.4ghz which potentially makes downloading drivers, etc. a whole afternoon or day long process. I am wondering if this is a driver and Windows 10 issue. I need help. By the way this machine is basically used for storing documents/photos, and playing older games, i.e. need for speed underground 2, most wanted 2005, etc. Any help , or advice is greatly appreciated. Again with hd 6450 initially no problems, switched to GT 740 no issues. Problem started when switching back to 6450 from GT 740. I am thinking Invidia audio drivers, but supposedly DDU took care of that. I did have severe issues with games having video/audio stutter quite often with OCZ reaper ram installed and that went away when I swapped in different ram. Not sure what else is going on.

HP a6650f desktop amd phenom ii x4 9550

4gb DDR3 ram

Current GPU HD HIS 6850 IceQ 3 turbo 1gb DDR5

stock 460 PSU

Windows 10 64 bit home
 

silversmithy

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Good question... I really don't know to be honest. Now that I think of it I believe that PSU actually came out of a Dell XPS 8300. So I would guess 11-12 yrs old. The thing is though that this issue started after switching GPU's. Prior to the initial swap and the ram issue it was fine.
 

silversmithy

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Nov 13, 2012
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First of all I should have said flicker, not stutter. Okay so here's the latest. I decided to hook up the computer to a different TV last night and to my surprise no video flicker at all anywhere, desktop, game, etc. I am guessing the issue is with the initial TV's settings.
 

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