Thank you for your effort. I installed 5.7.0-050700rc5 and it boots OK.
sudo dpkg -i linux-headers-5.7.0-050700rc5-generic_5.7.0-050700rc5.202005101931_amd64.deb sudo dpkg -i linux-headers-5.7.0-050700rc5_5.7.0-050700rc5.202005101931_all.deb sudo dpkg -i linux-modules-5.7.0-050700rc5-generic_5.7.0-050700rc5.202005101931_amd64.deb sudo dpkg -i linux-image-unsigned-5.7.0-050700rc5-generic_5.7.0-050700rc5.202005101931_amd64.deb sudo update-grub I'm attaching result of journalctl -b. ** Attachment added: "journalctl -b" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878341/+attachment/5371846/+files/journalctl.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878341 Title: Ubuntu 20.04 install image does not boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878341/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs