Odd USB drive problem

Discussion in 'OS X El Capitan (10.11)' started by elf69, Jun 8, 2016.

  1. elf69 macrumors 65816

    elf69

    Joined:
    Jun 2, 2016
    Location:
    Cornwall UK
    #1
    I have a 2009 macbook running El Capitan.

    If I plug a pen drive into my mac and read something..

    pdf or word file etc then close the file and eject the drive without editing the file this is.

    If I then plug it into windows I get a pop up that says this drive needs to be checked.
    So I check it and open the same file but now it is corrupt!

    plug back into my mac and it works!

    I have had to copy files using my mac to our server at work then copy to the stick again from server on the windows machine!

    Any ideas why it is not working in windows after my mac has read it?

    ran malwarebytes just to check.
    nothing.

    getting annoying as usb pen stick at work between machines.
     
  2. simon lefisch macrumors 6502a

    simon lefisch

    Joined:
    Sep 29, 2014
    #2
    What file system are you using on the thumb drive? HFS+? ExFAT? Fat32?
     
  3. elf69 thread starter macrumors 65816

    elf69

    Joined:
    Jun 2, 2016
    Location:
    Cornwall UK
  4. JohnDS macrumors 65816

    Joined:
    Oct 25, 2015
    #4
    Assuming you are ejecting the drive properly before removing it from the USB port, I would try reformatting the drive. Try ExFat instead of FAT32.
     
  5. elf69 thread starter macrumors 65816

    elf69

    Joined:
    Jun 2, 2016
    Location:
    Cornwall UK
    #5
    I am ejecting it properly.

    ExFat ok for windows and mac?

    never used exfat before.
     
  6. simon lefisch macrumors 6502a

    simon lefisch

    Joined:
    Sep 29, 2014
    #6
    Yes it will work in both platforms. The biggest advantage with ExFAT is it can handle files larger than 4GB.
     
  7. JohnDS macrumors 65816

    Joined:
    Oct 25, 2015
    #7
    ExFat will work on Mac and Windows 7 or newer.
     
  8. elf69 thread starter macrumors 65816

    elf69

    Joined:
    Jun 2, 2016
    Location:
    Cornwall UK
    #8
    in my work we see XP/Vista as well so exfat be no good
     

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