Laptop BitLocker failing on drive with runtime bad block errors

4.5

New bad blocks are discovered while the encryption process is running.

Symptoms
  • Encryption stops suddenly
  • Error message
  • Disk clicking
Possible Causes
  • Rapidly failing drive
  • Surface damage

Step-by-Step Fix

1

Stop Encryption

Do not attempt to continue; the drive is dying.

2

Clone Drive

Use a tool like ddrescue to save what you can.

3

Check SMART Attribute 183

Monitor "Runtime Bad Block".

When to See a Technician

If bad blocks appear during encryption, the drive is "crashing" and will soon be completely unreadable.

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