Change Drive Letter Greyed Out //top\\ -

– You can’t change C: or the EFI system partition. That’s by design. ✅ Reasonable.

OEMs (like Dell, HP, or Lenovo) often create recovery partitions that are "protected." Windows hides the drive letter options for these to ensure you don’t accidentally delete your factory reset data. change drive letter greyed out

✅ Use Disk Management first. ❌ If “Change Drive Letter” is greyed out, switch to diskpart (select volume, assign letter=X) or a tool like MiniTool Partition Wizard (free edition). – You can’t change C: or the EFI system partition

You cannot change the letter of your active boot drive while Windows is running. If you must change it, it requires a clean re-installation of Windows or advanced registry hacking (which is not recommended as it often leads to a "Blue Screen of Death"). 2. The Drive is "Write Protected" or Read-Only OEMs (like Dell, HP, or Lenovo) often create