Here you may directly apply Ease US Partition Master Free for help: 1. Let Ease US Partition Master automatically check hard disk partition errors and repair errors for you. If Step 2 still doesn't work, then you may try the last step which is to perform a system restore - restoring Windows 10 to a previous healthy state so to make Disk Management work normally: 1. Select the proper system restore point and follow onscreen guidance to complete system restore.
Launch Ease US Partition Master and right-click the partition (system partition) that you want to check by clicking Check partition. Choose the way that you want to use to check partition: Check Partition Properties, Call Windows Chkdsk to fix errors, Surface Test. After this, you shall be able to use Windows 10 Disk Management to change drive letter of devices and perform other operations by then.
After this, you've successfully added a new drive letter to your device.
And if you want to make Disk Management tool work again, continue with Step 2 and Step 3.
When Disk Management tool is not working to change drive letter on your PC or storage devices, don't worry.
You can directly follow either one methods below to get your problem solved right now: Free partition manager software - Ease US Partition Master Free supports you to simply change device drive letter without formatting in Windows 10/8/7.
I use Virtual PC a lot, and it stores the full path, including drive letter, to saved state and hard disks.
This is a real pain in the arse when you plug in multiple thumb drives and USB devices, and Vista changes the drive letter…
If the system disk contains some file system error or bad sectors, Disk Management tool may not be able to function normally.
So your next move is to check and repair system disk error that stops Disk Management tool working.