Resolution Changes After Tabbing Out of the Game

I’m having issues with my graphics resolution resetting every time I tab out of WoW. I run the game in Fullscreen (Windowed) with a resolution of 1920x1080. However, after I’ve tabbed out and click back into the game, the game will freeze and when it unfreezes, the resolution of the game has changed. The temporary fix I’ve been doing in the meantime is either logging out and logging back in, or: switching to Windowed, maximizing the window, switching back to Fullscreen (Windowed), and resetting the resolution. If I attempt to reset the resolution without flipping it to Windowed and maximizing first, it will kick it back to the weird Custom setting.

This only began about a month or so ago and had never happened to me before this. I haven’t changed any of my computer settings as I’m computer illiterate and don’t know what I’m doing. When I tried to troubleshoot I did find a resolution error people had with NVIDIA Overlay, so I did disable that, but my issue is persisting. If I don’t tab out of the game at all, my resolution remains intact and doesn’t sporadically change. It will only do this when I tab out and click back into the game. Has this ever happened to anyone? Is there a fix? It’s driving me bonkers.

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OMG I thought I was the ONLY one!.. WTF is with this? Mine doesn’t happen immediately, but if I’m say tabbed out reading a website and can see the game in the background, within a few mins it does a stutter and then bloop! looks like crap. It’s most noticeable for me with any of the TEXT. All text goes blurry.

Sounds like a driver crash or a TDR. Update your graphics drivers. Also, make sure that in your world of warcraft\GAMEVERSION\wow.exe properties->compatibility that you do NOT have “disable fullscreen optimizations” checked.