Flash Drive is fully erased but only has 400 megabytes!

Discussion in 'MacBook Pro' started by macuser1232, Jul 30, 2012.

  1. macuser1232, Jul 30, 2012
    Last edited: Jul 30, 2012

    macuser1232 macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #1
    Hi,

    I recently was using my flash drive to transport stuff from my mac computer to windows computer and now when I insert the flash drive in my Mac it says there's only 460 megabytes left on it when everything is erased! This is an 8 gigabyte flash drive. Please Help!
     
  2. stridemat Moderator

    stridemat

    Staff Member

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    UK
    #2
    On OS X you need to empty the trash with the flash drive inserted in the USB.
     
  3. Queen6 macrumors 603

    Queen6

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  4. macuser1232 thread starter macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #4
    ? right now it is FAT-32
     
  5. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #5
    As stridemat suggested, connect the drive, then empty your trash. If that doesn't fix it, you may need to reformat the drive. It doesn't matter how the drive is formatted, or whether you formatted it with Mac OS X or Windows, as long as both computers can read/write to the drive.

    Format A Hard Drive Using Disk Utility (which is in your /Applications/Utilities folder)

    Choose the appropriate format:

    HFS+ (Hierarchical File System, a.k.a. Mac OS Extended (Journaled) Don't use case-sensitive)

    NTFS (Windows NT File System)
    • Read/Write NTFS from native Windows.
    • Read only NTFS from native Mac OS X
      [*]To Read/Write/Format NTFS from Mac OS X, here are some alternatives:
      • For Mac OS X 10.4 or later (32 or 64-bit), install Paragon ($19.95) (Best Choice for Lion and Mountain Lion)
      • For Mac OS X 10.5 and later, including Lion, FUSE for OS X
      • For 32-bit Mac OS X, install NTFS-3G for Mac OS X (free) (does not work in 64-bit mode)
      • For 64-bit Snow Leopard, read this: MacFUSE for 64-bit Snow Leopard
      • Some have reported problems using Tuxera (approx $36).
      • Native NTFS support can be enabled in Snow Leopard and later versions, but is not advisable, due to instability.
    • AirPort Extreme (802.11n) and Time Capsule do not support NTFS
    • Maximum file size: 16 TB
    • Maximum volume size: 256TB
    • You can use this format if you routinely share a drive with multiple Windows systems.

    exFAT (FAT64)
    • Supported in Mac OS X only in 10.6.5 or later.
    • Not all Windows versions support exFAT. See disadvantages.
    • exFAT (Extended File Allocation Table)
    • AirPort Extreme (802.11n) and Time Capsule do not support exFAT
    • Maximum file size: 16 EiB
    • Maximum volume size: 64 ZiB
    • You can use this format if it is supported by all computers with which you intend to share the drive. See "disadvantages" for details.

    FAT32 (File Allocation Table)
    • Read/Write FAT32 from both native Windows and native Mac OS X.
      [*]Maximum file size: 4GB.
    • Maximum volume size: 2TB
    • You can use this format if you share the drive between Mac OS X and Windows computers and have no files larger than 4GB.
     
  6. Dangerous Theory macrumors 68000

    Joined:
    Jul 28, 2011
    Location:
    UK
    #6
    Ignore him and refer to the first reply. Files aren't deleted from the memory stick until you empty them from the Mac trash bin. Odd, I know, but true.
     
  7. macuser1232 thread starter macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #7
    It worked!! Thanks so much. I have no idea how it did that.
     
  8. stridemat Moderator

    stridemat

    Staff Member

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    #8
    Pleasure :cool:
     
  9. tommyp2401 macrumors newbie

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    Mar 20, 2012
    #9
    just empty your trash when the drive is plugged in
     
  10. GGJstudios macrumors Westmere

    GGJstudios

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    May 16, 2008
    #10
    You just need to remember that when you have an external drive attached and delete files, empty the trash before you disconnect the drive.
     
  11. Dangerous Theory macrumors 68000

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    Jul 28, 2011
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    UK
    #11
    The files don't actually copy to your Mac HD, but it's just some odd system the OS implores.
     
  12. macuser1232 thread starter macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #12
    Is anyone else still here because I have one more question.
     
  13. GGJstudios macrumors Westmere

    GGJstudios

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    May 16, 2008
    #13
    Fire away. I think there's still a few folks around: Currently Active Users: 16769 (933 members and 15836 guests)
     
  14. macuser1232 thread starter macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #14
    I recently made a shared files folder to move some files from my mac to my windows desktop so I could clean install OS X Mountain Lion and then move the files back but I'm not sure if the files will work when I move them back with a flash drive to my macbook pro. Will they?
     
  15. GGJstudios macrumors Westmere

    GGJstudios

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    #15
    There's no reason why they shouldn't.
     
  16. macuser1232 thread starter macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #16
    Ok because when I put it on the Windows desktop it turns into a folder that says Example.app and then has a contents folder and I want to make sure it will turn back to normal when I put it back on my Mac. I guess I could go test it right now.
     
  17. GGJstudios macrumors Westmere

    GGJstudios

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    May 16, 2008
    #17
    What, exactly, are you moving? Is it an app, a file or a folder?
     
  18. macuser1232 thread starter macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #18
    well most are apps but some are just documents.
     
  19. GGJstudios macrumors Westmere

    GGJstudios

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    May 16, 2008
    #19
    Rather than move apps and files to your Windows computer, it's a better idea to have an external drive to use for regular backups of your Mac, formatted specifically for the Mac (HFS+ format). Use Time Machine or Carbon Copy Cloner to backup your files, apps, etc., then restore from the backup after a clean install.
     
  20. macuser1232 thread starter macrumors 6502a

    macuser1232

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    Jan 20, 2012
    #20
    I know but it's so expensive!!! I can't afford it!
     
  21. GGJstudios macrumors Westmere

    GGJstudios

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    May 16, 2008
    #21
    I know "expensive" is a relative term, but you can buy external drives as low as $40-50. Perhaps that's expensive to you, but it's really quite cheap!
     
  22. sweetbrat macrumors 65816

    sweetbrat

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    Redford, MI
    #22
    Can you afford to lose all your files if your HDD dies? $40 for a backup drive is an amazingly good deal when I think about everything I would lose without a backup.
     
  23. Dronac macrumors member

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    Jun 19, 2012
    #23
    IIRC, apps in OS X function as folders with added functionality (you can run them). You can right click and view the contents. Windows must see these as simply folders. :confused:
     
  24. Queen6 macrumors 603

    Queen6

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    #24
    FAT 32 is ok, sometimes when you are moving data about the flash drives get screwed up and even emptying the trash on the Mac wont return the drive to full capacity a quick format returns the drive to full capacity
     

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