Or even simpler, just try booting Ubuntu 20.10 from USB and tell us if it has the same problem:
https://ubuntu.com/download/desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1833855 Title: i915: EDID not detected on VGA resulting in low resolution 1024x768 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1833855/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs