After switching to Windows 11, brightness adjusts to full intensity about 90% of the time when launching a game.
After switching to Windows 11, brightness adjusts to full intensity about 90% of the time when launching a game.
XPS 15 9550 paired with Intel HD 530 to GTX 960m. Double-clicking a desktop icon launches a game with full brightness at 100%. The issue arises when trying to adjust brightness—higher than 40% causes problems. At 100%, pressing Fn+key reverts it back to 40%, but Alt-tabbing sometimes restores full brightness. There was also a VIDEO_TDR_FAILURE BSOD after two days due to Alt-tabbing during a game.
It appears the issue lies with a GPU driver. Make sure your Intel drivers are up to date. Yes, Intel—not Nvidia. Your system supports switchable graphics, which means Nvidia GPUs handle rendering each frame and send it to your Intel GPU memory buffer. This tricks the Intel GPU into thinking it’s doing the work, so it displays the final image in its frame buffer to your laptop. You’re relying on Intel and Dell for Windows 11 support, but they don’t provide that.