Windows does not always figure out when a drive is lost, and in order to fix the problem you will need to go to Computer Management and assign the drive letter manually. There are two ways to get to the Computer Management dialog in Windows, one through Control Panel and the second by right-clicking Computer and choosing Manage. ..

Computer management in administrative tools can be used to manage and monitor computer systems, printers, and other devices. This can include setting up passwords, managing software updates, and more.

If you’re looking for a removable drive, it will usually be called Disk 0 or Disk 1. If you have a large USB hard drive connected, it may show up as an additional hard disk called H:.

You can change the drive letter and paths on a portable USB drive by right-clicking in the white space to the right of the drive letter and choosing Change Drive Letter and Paths.

If you right-clicked on an external hard drive and instead of giving it a drive letter, you wanted to just have it show up as a folder on your current hard drive, then the Mount option in the NTFS dialog box is used. This means that if you create a folder called pictures on your current hard drive and want to point it to another hard drive, you would use the Mount option in the NTFS dialog box to do so.

If you have a USB stick that was not showing up before, after changing the letter it will automatically pop up and ask you what you want to do. That’s about it! You can also use Disk Management to format disks, determine the type of File System and see the amount of free space available.