Weird graphics problem after installing new video card, now same problems on old video card-

BACKGROUND:

- Past few months I started hearing a skipping/grinding noise every once in a while, but no problems or performance issues with computer or old video card(Radeon 7770)

- ~1 week ago I updated to Windows 8.1 and decided to buy a new video card(GIGABYTE GeForce GTX 970).

- Installed the GTX 970 and drivers and everything seemed to be working properly.

PROBLEM:

- Within a day or two I started to notice graphics problems with regular images, video, and especially games.

- YouTube videos at 1080/720p look more like 240p, 360p, or 480p and worse with movement.
- Videos are glitchy and an interlacing problem maybe?
-Screenshot of YouTube video(1st image): http://imgur.com/a/cIDJS
- Games in Ultra High/High 1920x1080 look like they are Ultra Low quality or worse with jagged edges.
- Images(viewed in IE/Chrome/Windows 8.1 Startup UI) look grainy, corrupted, and lower quality in some spots.

TROUBLESHOOTING:

- I uninstalled and re-installed the drivers from manufacturer(Nvidia Control Panel) and Windows 8/8.1 multiple times.

- Didn't fix it, so I tried putting in my old video card(Radeon 7770) and updated drivers(Catalyst Control Center) to see if I could get back to no problems(I thought maybe the GTX 970 was defective at this point).

- But now the same problem is now happening on the Radeon 7770 as well after many uninstall and re-installs of drivers and Windows.

- Downloaded updated Chipset/BIOS for XPS 8500 from Dell.

- VGA/PCIe options aren't showing up in BIOS.

- Ran Driver Sweeper and CCleaner with uninstalls of drivers.

- I tried screwing around with the Windows 8/8.1 scaling levels.

- I thought it had to be a driver problem(tried older versions of drivers, windows settings, etc, on both cards), but not so sure now.

COMPUTER SPECS:

Belarc Computer Profile Screenshots: http://imgur.com/a/cIDJS (2nd and 3rd image)


Thank you for any help! I've tried everything the past 3 days and am about ready to take it in to a computer repair shop :(
4 answers Last reply
More about weird graphics problem installing video card problems video card
  1. did you uninstall the old drivers
  2. Sounds like driver issue
  3. Could be NSA firmware backdoor that jumped the air gap
  4. Thanks for your replies. It turns out the Guru3d Driver Uninstaller version I was using was the oldest version(9.6) and must have been leaving some traces of either my AMD or NVIDIA drivers behind (I was doing this on top of the regular uninstalls from add/remove programs). I installed the most recent version(13.4.0), ran it, re-installed drivers, and everything works fine now!
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