Please choose the memtest option at the boot menu and let it run for at least 15 minutes and let us know if it finds any errors. Also when you say the install freezes, do you mean just the installer window, or the whole computer? Does pressing the caps lock key still toggle the caps lock light?
** Changed in: ubiquity (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767594 Title: Ubuntu-18.04 Installation/Upgrade freezes/does not work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1767594/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs