Drive letter d not available

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You want to change it to E.įirst we need to open Command Prompt with Administrator Rights. You bought hard drive for Backup, but it has automaticaly gained letter D. In this article we will show you how to assign, change or remove drive letter with Diskpart using. «Back Assign, change or remove Drive Letter with Diskpartĭiskpart is very powerful Windows Utility, which allows certain number of operation with hard disk.