Laptop unable to convert encrypted drive to GPT

4.5

Converting from MBR to GPT fails because the drive is encrypted.

Symptoms
  • "Disk is not empty"
  • Error message
  • Conversion fails
Possible Causes
  • BitLocker active
  • MBR2GPT limitation
  • Partition layout

Step-by-Step Fix

1

Fully Decrypt Drive

MBR2GPT cannot convert encrypted drives.

2

Use MBR2GPT Tool

Run "mbr2gpt /convert /allowFullOS" after decryption.

3

Check BIOS Mode

Ensure you are ready to switch to UEFI after conversion.

When to See a Technician

You MUST fully decrypt the drive before using the MBR2GPT conversion tool.

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