Windows 10: WINDOWS 11 Alt+Tab/Fullscreen Issues with Games

Hello, I recently installed Windows 11 and noticed an issue that's a bit bothersome. Back in Windows 10, whenever I'd load up a game and tab out of it, the game would "minimize". However, now with Windows 11, when I tab out, the game continues to run in the background of whatever site I'm on. Attached is an example of what I'm saying. I have a Roblox game this applies to any other game I play running in the background, even though I'm on Google Chrome. I believe this issue is also messing up my performance, hence it's annoyance. I would appreciate any insight on the situation. I've heard N

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Weird alt-tab out of fullscreen games.

Hi Simon,

The multitasking capability of a game depends on the total memory of your computer. If you have large amounts of RAM on your computer, it can multitask heavy programs easily like high-end games. To ensure that we can provide the appropriate resolution
for your concerns with the alt-tab function, we’d like to ask you a few questions:

• What were the recent changes made on your computer before you experienced this issue?
• When did the issue start?

• Have you pressed the alt-tab key during you play Rainbow Six Siege? Or it just happen without pressing it?
  
• Does the automatic ALT-TAB behavior happens on other games?
• Do you have any other programs running on your computer while playing?
• What is the anti-virus program you're using?

• What is your device or system specifications? To know, follow these steps:
  1. Press Windows + S and type
     About your PC.
  2. Send us the information listed under Device specifications.
  
  

Moving forward, if you're multitasking while playing, we recommend that you play this game only without doing other tasks. Pressing ALT-TAB or performing a multitasking interferes with the performance of your video card, especially if you're running a heavy
game like Rainbow Six Siege. It will generate screen viewing issues like intermittently switching your game screen between your desktop environment.

For now, restart your game and do not press ALT+TAB while playing. This will allow your video card to dedicate its graphics performance on the game only instead of your desktop environment.

If you would like me to provide additional advice, simply respond to this thread. I will get notified and I’ll reply to you as soon as I can.

 

What is the "magic" of alt+tab?

run in borderless windowed mode, and avoid that requirement of Alt+Tab. it looks the same as fullscreen, but it will fixed issues tied with running in Fullscreen.

 

alt + tab not working

Just found a really cool way to make alt+tab INSTANT!!!

In the launch options write the following: -windowed -noborder





This play exactly the same as fullscreen but now you dont have to wait 30 f*@!ing seconds to alt+tab back in!

Also you don't get the little purple/black checkered effect (only in Source games) from alt+tabbing in fullscreen.