Laptop unable to use BitLocker on drive with GPT corruption

4.5

The GUID Partition Table is damaged, making partitions unreadable.

Symptoms
  • Partitions show as "RAW"
  • Disk Management error
  • Boot failure
Possible Causes
  • Sudden power loss
  • Disk utility bugs
  • Hardware failure

Step-by-Step Fix

1

Restore GPT Header

GPT keeps a backup header at the end of the disk; use TestDisk to restore it.

2

Run chkdsk

Fix logical errors that might be causing the corruption.

3

Reinstall Windows

If the table is severely damaged, a wipe may be necessary.

When to See a Technician

GPT is more robust than MBR, but it can still be corrupted by hardware glitches.

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