I had a look at the recovery-fsck option on this in exploring https://askubuntu.com/questions/1153259/problem-with-grub-recovery-menu- on-xubuntu-18-04-2 and had this issue.
This install is pretty fresh with almost no use as it was Xubuntu 19.10 (daily) QA-Test install of only a few days ago (manual partitioning on single partition; ext4) guiverc@d780-xub:~$ apt-cache policy grub2 grub2: Installed: (none) Candidate: 2.02+dfsg1-12ubuntu3 Version table: 2.02+dfsg1-12ubuntu3 500 500 http://ftp.iinet.net.au/pub/ubuntu eoan/universe amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1807537 Title: failure in fsck option of advanced boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1807537/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs