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How to Fix Windows 11 File Explorer Showing Duplicate Drive Letters After a Disk Management Change

Windows KB-1018

Summary

This guide helps you troubleshoot and resolve: How to Fix Windows 11 File Explorer Showing Duplicate Drive Letters After a Disk Management Change. Follow the steps below to fix the issue.

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Common Causes

If File Explorer in Windows 11 is displaying duplicate drive letters following a change in Disk Management, it is usually due to a mapping conflict or a cached view. This guide walks you through refreshing your system and correcting drive assignments so your files are stored and accessed from the correct location.

Caution: Changing drive letters can break shortcuts or file paths for software installed on that drive. Always ensure you have a backup of your data before modifying Disk Management settings.

Quick Fix Steps

  1. Restart your computer to clear any temporary caching issues in File Explorer.
  2. Open File Explorer and press F5 to refresh the current view.
  3. Check if the duplicate drive letter still appears after the restart.

Detailed Instructions

Step 1: Open Disk Management

  1. Right-click the Start button on the taskbar.
  2. Select Disk Management from the context menu.
  3. If prompted by User Account Control, click Yes to allow the app to make changes to your device.

Step 2: Identify the Duplicate Drive

  1. In the Disk Management window, look at the list of volumes in the middle pane.
  2. Identify which drive is showing the duplicate letter in File Explorer.
  3. Note the disk number (e.g., Disk 1) and the volume label.

Step 3: Change the Drive Letter

  1. Right-click the volume that is assigned the duplicate letter.
  2. Select Change Drive Letter and Paths...
  3. Click Change...
  4. Select a new, unused drive letter from the dropdown menu. Ensure the letter is not already assigned to another volume.
  5. Click OK.
  6. Click Yes on the warning dialog to confirm the change.
Tip: If you are changing the letter of a drive that contains installed programs, those applications may stop working until you reinstall them or update their file paths.

Step 4: Refresh File Explorer

  1. Open File Explorer.
  2. Press F5 or click the Refresh icon in the toolbar.
  3. Verify that the duplicate entry is gone and the drive is now listed under its new letter.

Troubleshooting

Drive letter is greyed out

If you cannot change the drive letter, the volume may be in use by another process or the system. Close any open files or folders on that drive and try again. If the issue persists, restart your computer and attempt the change immediately after logging in.

Duplicate still appears after changing the letter

If the duplicate persists, it may be a ghost entry in the registry. Open Device Manager, click View in the menu bar, and select Show hidden devices. Expand Disk drives, look for any greyed-out entries for the affected drive, right-click them, and select Uninstall device. Restart your computer. Note: Uninstalling devices in Device Manager can affect system stability; proceed with caution.

If you are unable to resolve the duplicate drive letter issue, please Open a Ticket with our Brisbane support team.

Still Having Issues?

Need more help? If the issue persists after trying these steps, please open a support ticket and our team will assist you.

💻 Open a Ticket

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