裝完Windows 11 24H2最新個Update, 有DSC嘅monALT TAB唔會再黑幾秒, 唔tick disable fullscreen optimization的話幾乎唔使等
https://support.microsoft.com/en-us/topic/october-24-2024-kb5044384-os-build-26100-2161-preview-5a4ac390-7c7b-4f7f-81c2-c2b329ac86ab
"[ALT + Tab] Fixed: The screen goes black on some PCs for a few seconds when you switch between certain windows."
唔使特登download呢個patch, 就咁去Windows Update更新12月個Cumulative update就OK
屌你老母一直以為係N卡driver問題, 原來係Microsoft搞事, 等呢個fix等咗2年, 老實講唔黑mon嘅話都唔使追DP2.1