Another Lenovo ThinkPad T440s here. Can confirm I'm experiencing this issue as well with Ubuntu 20.04. Tried turning off "quiet" and "splash" and all I would get is a blank screen. I also tried turning off GRUB_TIMEOUT_STYLE, but still a blank screen. This device is dual-booted with Windows 10.
Package: grub2 2.04-1ubuntu26 ** Attachment added: "grub.cfg" https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1863434/+attachment/5363029/+files/grub.cfg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863434 Title: 20.04 grub menu not visible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1863434/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs