Please help! My laptop can't boot into Ubuntu or windows after hard reboot. Fdisk doesn't detect my SSD, But lsblk does
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 220.9M 1 loop /initrd/pup_ro2
loop1 7:1 0 68.8M 1 loop /initrd/pup_f
loop2 7:2 0 38.7M 1 loop /initrd/pup_z
loop3 7:3 0 20.7M 1 loop /initrd/pup_a
sda 8:0 0 931.5G 0 disk
─sda1 8:1 0 5.3G 0 part
─sda2 8:2 0 345.7G 0 part
─sda3 8:3 0 20.7G 0 part
─sda4 8:4 0 1K 0 part
─sda5 8:5 0 512M 0 part
─sda6 8:6 0 63G 0 part
─sda7 8:7 0 496.3G 0 part
sdb 8:16 1 1.9G 0 disk
─sdb1 8:17 1 1.9G 0 part
zram0 254:0 0 15.1G 0 disk [SWAP]
What should I do?