Persistent 2-second black screen during Alt-Tab and settings changes on Windows 11 (ViewSonic XG2431)
PC Gamer Forums [Unofficial]
May 25, 2026
Hi everyone, I'm experiencing a frustrating issue with my monitor briefly losing signal (black screen) during Alt-Tab and graphic settings changes. My Setup:
- OS: Windows 11
- Monitor: ViewSonic XG2431 (running at 240Hz)
- Windows Resolution: 1920x1080 @ 239.76Hz (Native)
- GPU: NVIDIA (latest drivers)
The Problem: When playing CS2 on stretched 4:3 resolution (1440x1080), every Alt-Tab causes a 2-second black screen before the game or...
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