This has happened 3 times in the past 2 days, any advice? It goes away after reboots but always comes back.
Update: So it could be GPU death, how exciting, especially for a 1.5 year old laptop. As of now it hasn’t terribly affected my workflow, but if this persists even after future kernel/driver updates, it may be rip. I am still hopeful that it could be software related, but time will tell!
This one is a little more interesting
Update 2: I was using Windows for testing purposes, and it happened again! This was immediately after picking the laptop up, so it is definitely hardware related. This time it made a horrible noise as well, answering some of the questions. So somehow by picking the device up, maybe the internals are slightly bent, causing the issues?
Are you sure? The mouse cursor appears to render correctly.
To me, it looks like defective vram. The cursor is rendered at a different physical memory location, which may still be intact.
ETA: the cursor being intact is actually very important- that quite effectively rules out the screen itself (LCD panel), since they wouldn’t care if it’s the cursor.
GPU ram could behave like this.
A chunk of dying ram would affect sections of code allowing proper rendering of cursers over garbled backgrounds.
Also, a restart could reset the ram for a while bringing it back from the dead.