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  1. #1


    Member Since
    Nov 12, 2009
    Posts
    3
    Usb drive difficulties
    I have a 512 megabyte, yes MG, usb drive that i was given for free the other day from my brother and i wanted to use it to tranfer a few albums from the pc to the mac or vice versa.

    It is formatted to the Fat32 file system yet it is giving me trouble.
    I cant seem to delete whats already on there from either machine, the pc says nothing when i try to drag the files to the trash, just the 'no' symble comes up, while the mac tells me it cannot be modified.

    It apparently is read only on the mac, and i cant figure out why.

    The pc also doesnt want to have anything to do with this drive. It does let me copy whats on there to the desktop but i cant copy anything to it and a message pops up saying the disk-write is protected.

    So what gives?

  2. #2

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,905
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    Is there anything on the flash drive you care about? I have a feeling it has some copy protection on it. Have you tried formatting it? In OSX you use the disk utility. Be sure you select FAT which in OSX is FAT32 as both Windows and OSX will both read and write to it.

    If it will not let you format it let us know.

  3. #3


    Member Since
    Nov 12, 2009
    Posts
    3
    there isnt anything i care about on the drive. As far as the disk utility goes, under the erase tab everything is greyed out, including volume format. The format selection isnt greyed out in the raid tab, but im not sure if creating a raid is what i should be doing.

  4. #4

    McBie's Avatar
    Member Since
    Apr 26, 2008
    Location
    Belgium
    Posts
    2,774
    Specs:
    2013 MBA 13" - OS X 10.11
    Is there a manual " write protect " type of switch visible anywhere on the outside of the pen drive ?

    Cheers ... McBie
    A computer lets you make more mistakes faster than any invention in human history - with the possible exceptions of handguns and tequila.
    The bitterness of poor quality remains long after the sweetness of low price is forgotten.

  5. #5


    Member Since
    Nov 12, 2009
    Posts
    3
    whats the correct term for electronically challenged?

  6. #6

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,905
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    Did you check for what McBie mentioned? A small write protect switch? Some older Flash drives had a switch like that. If there is none I have a feeling someone installed a write protection to the flash drive. I have found many sites using Google that discuss removing the protection but it's all for Windows. Try a google search for not being able to format a Flash Drive.

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