Thanks a lot @mb-o. Extremely sorry I couldn't try the steps before. I have to use work laptop to finish of something. I will recover the system with the steps you mentioned. Also I will get the screens and BIOS settings before I do anything for @cyphermox.
Do let me know the lenovo ticket so that I can add to that ticket as well -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1747889 Title: (Acer Aspire V3-372) System not booting after update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1747889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs