hellvetica wrote:debiman wrote:that's not tearing, but something far more serious.
what hardware are you trying to install to?
I have an HP Probook 450 G1 with an i5-4200M and 8gb ram.
seems to be some sort of switchable graphics with an amd gpu (and the intel chip i suppose).
my next try would be to boot the installer with a 'nomodeset' option.
something like this:
https://ubuntuforums.org/showthread.php ... st13028883
basically you have to get to the linux boot command line and edit it, before you even boot the installer.
or is it a live system?