Corrupted graphics jumping around the screen changing color

[swarfendor437]

Random horizontal delays when using apps

Just had a thought (dangerous I know!). I am wondering if it is not taking because the machine will be identified as Zorin not Ubuntu 20.04 ("focal fossa"). Think I posted something recently but can't remember the procedure to temporarily change the machines id to a different OS then back again once you have installed the software. Bear with. Update 13:50 GMT - Open a terminal and enter the following (the ones in bold), one at a time: Oops - Markdown keeps the ** instead of showing the key ele…