Lockup only when on laptop screen - reliable when external monitor plugged in
Framework 16 laptop Bazzite, Plasma- AMD Ryzen CPU with integrated GPU. For the past 3 weeks, my laptop, when disconnected from monitor, has severe video playback problems and games (Yutube, freetube, MP4 files, Plex, etc. etc.)
When plugged into an external AOC monitor, system behaves fine. no slowdowns or lockups. Dual booting, no issues in Windows. Occurs in 2 different user account. Everything was fine until a few weeks ago - any ideas?
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The system might be fine playing video for a few minutes, then if i fullscreen or wait long enough, performance craters and the entire system slows to a crawl - even attempting to log out takes 3 or 4 minutes. As long as i don't attempt anything graphically intensive, the system is fine disconnected from the external monitor. And if, i playback video or games on the laptop screen whilst the external screen is connected - everything is fine! Very puzzling.