System recovery unable to access disk

4.5

Recovery tools see the drive but cannot read or write to it due to encryption or permissions.

Symptoms
  • "Access Denied"
  • BitLocker recovery key prompt
  • Drive is write-protected
Possible Causes
  • BitLocker encryption
  • Disk failure
  • Read-only attribute

Step-by-Step Fix

1

Enter BitLocker Key

Find your 48-digit key in your Microsoft account to unlock the drive.

2

Clear Read-Only

Use "diskpart", select the disk, and run "attributes disk clear readonly".

3

Check SMART Status

Use "wmic diskdrive get status" to see if the drive is physically failing.

When to See a Technician

If BitLocker is active and you don't have the key, the data is permanently inaccessible.

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