Maybe you installed a new external hard drive and now you want to change the drive letter to G from the F it was assigned, or maybe you just like to keep your flash drives organized at the end of the alphabet. While they might seem set in stone, the letters assigned to your hard drives, optical drives, and USB based drives in Windows are very much not a fixed thing. However, it’s possible to quickly fix this problem without dismounting the drive. Sometimes Windows system drive letters get altered, and the Control Panel’s Disk Management tools can’t solve the problem because the drive has to be dismounted. Change Drive Letter Using Command Prompt In Windows 10/8/7
