0x0000007B
INACCESSIBLE_BOOT_DEVICE
What it means
Windows started but could not reach the drive it boots from.
Common causes
- Storage mode changed in the BIOS (AHCI, RAID, VMD)
- A storage driver update
- A damaged boot drive
How to fix it
- If you changed a storage setting in the BIOS, set it back to what it was.
- Open Startup Repair: boot from the Recovery screen > Troubleshoot > Advanced options > Startup Repair.
- Uninstall the latest update from the same Advanced options menu.
- Check the drive in another PC or with CrystalDiskInfo.