Add, click the letter that you want to use, and then click OK To remove a drive letter, click Remove, and then click Yes to confirm that you want to remove it. You might need to do some diagnostics to
add them, Administrative Tools in Control Panel should have a section called "Disk Management" that should allow you to reparititon them. I'd recommend you learn how to use it first by Googling it, if
5,174 questions posted
Usually answered in minutes!
1,584 Questions
29 Questions
17 Questions
