Drive Letter F, A or B


  1. idahosurge
    Posts : 81
    Win7 Ult 64b
       New #1

    Drive Letter F, A or B


    When I do a first time install of Win7 can I choose the drive letter for the DVD RW or will it default to F and I can not change it?

    If I can change it is there any reason that I can not name it A or B?

    Is there any reason that I can not name my extra hard drives A or B?

    I will leave the OS drive at C.

    Regards,

    Rod
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  3. Dwarf
    Posts : 9,582
    Windows 8.1 Pro RTM x64
       New #2

    Hi Rod,

    Drive letters A and B are system reserved ones used for floppy drives (if present).
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  4. Arc
    Posts : 35,373
    Microsoft Windows 10 Pro Insider Preview 64-bit
       New #3

    Yes , you can change it any time, using disk management (Right click on my computer icon, and select manage ).

    For common drive letter assignments, you can see Drive letter assignment - Wikipedia, the free encyclopedia , a nice article there, but it is not hard and fast to follow.
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  6. billynomates
    Posts : 97
    Win7 HP 64bit
       New #4

    idahosurge said:
    If I can change it is there any reason that I can not name it A or B?
    Dwarf said:
    Hi Rod,

    Drive letters A and B are system reserved ones used for floppy drives (if present).
    idahosurge said:
    Is there any reason that I can not name my extra hard drives A or B?

    I will leave the OS drive at C.

    Regards,

    Rod
    If however, floppy drives are not available nor ever will be.....
    i.e. It's not locked as in XP
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  7. Bare Foot Kid
    Posts : 22,814
    W 7 64-bit Ultimate
       New #5

    billynomates said:






    If however, floppy drives are not available nor ever will be.....
    i.e. It's not locked as in XP



    As this syetem has a FDD "A" is not available but "B" is, thanks for the info, never thought of it!

    click to enlarge
    Drive Letter F, A or B-b.jpg
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  8. harryhill
    Posts : 3
    Win 7
       New #6

    idahosurge said:
    When I do a first time install of Win7 can I choose the drive letter for the DVD RW or will it default to F and I can not change it?

    If I can change it is there any reason that I can not name it A or B?

    Is there any reason that I can not name my extra hard drives A or B?

    I will leave the OS drive at C.

    Regards,

    Rod
    I have an external drive (3 TB) with an A Drive letter. No problem. Months now.
      My Computer
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  10. gregrocker
    Posts : 50,642
       New #7

    You can change non-OS drive letters in Disk Mgmt, but it's best to do it during install or reinstall so that nothing is yet linked to the drive: Drive Letter - Add, Change, or Remove in Windows 7 - Windows 7 Forums
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  11. Bare Foot Kid
    Posts : 22,814
    W 7 64-bit Ultimate
       New #8

    It's kind of obsolete now but the letters "A & B" were originally reserved for Floppy Drives FDD.
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