ubuntu@ubuntu:~$ sudo fsck /dev/nvme0n1p1
fsck from util-linux 2.30.1
fsck.fat 4.1 (2017-01-24)
0x41: Dirty bit is set. Fs was not properly unmounted and some data may be corrupt.
1) Remove dirty bit
2) No action
? 1
Perform changes ? (y/n) y
/dev/nvme0n1p1: 12 files, 1184/130812 clusters
ubuntu@ubuntu:~$ sudo fsck /dev/nvme0n1p1
fsck from util-linux 2.30.1
fsck.fat 4.1 (2017-01-24)
/dev/nvme0n1p1: 12 files, 1184/130812 clusters