Fix "Windows cannot access the disk" issue

Solution 1: Check disk connection

1. Make sure all cables are properly connected between storage devices and computers.

2. As to external hard drives, you can try to unplug disk or different cable on a different USB port. Then restart the computer.

3. Make sure the USB port does not have a power supply issue, as insufficient power supply tends to cause inaccessible drive.

Solution 2: Change the drive letter assigned to the affected hard drive

The most effective method that users in similar circumstances have used to successfully get rid of the "the disk check could not be performed because Windows cannot access the disk." error is changing the drive letter assigned to the affected hard drive.

1. Press the Windows logo key + R to open a Run dialog.

2. Type diskmgmt.msc into the Run dialog and press Enter to launch the Disk Management utility.

3. in the list of drives connected to your computer, locate and right-click on the affected external hard drive, and click on "Change Drive Letter and Path".

4. In the window that pops up, click on the current drive letter assigned to the drive to select it and click on Change.

5. Open the dropdown menu located directly in front of Assign the following drive letter: and click on whatever new drive letter you want to be assigned to the drive to select it.

6. Click on OK.

7. Click on OK in the Change Drive Letter and Paths for X: () window.

8. Close the Disk Management utility and restart your computer.

9. When the computer boots up, try running CHKDSK on the affected external hard drive and check to see if the problem persists.

How to recover lost data?

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External Hard Drive Data Recov