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  1. #1

    Member Since
    May 14, 2009
    Flash drive formating problem
    I have a Kingston Data traveler 200 64gb. I Was f-ing around and tried to refarmat it to a time machine back up drive. Obviously it didnt do much for my 250gb macbook.

    The problem i'm having now is that i cant format my flash drive so that PC computers can see it. Only Macs. Looks like PCs only see FAT16. Somehow the drive was partitioned and one part was FAT32 and one was FAT16, but only one of them became visible on PCs (both on my mac).

    I have used disk utilities but still can format it to a proper universal Mac and PC flash drive. Anyone have an answer to this.... seems like there should be a easy fix..


  2. #2

    McBie's Avatar
    Member Since
    Apr 26, 2008
    iPad Pro 12.9 latest iOS

    Have a quick look on the forum here, as there are many threads related to this topic.

    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.

  3. #3

    Member Since
    May 14, 2009
    Ah thanks! My bad for not searching the forum. Any idea what i should search for? Drive reformat, flash drive reformat?

    Thanks regardless

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    When formatting flash drives using Disk Utility, you have to choose partitioning it as MBR not GUID. If you use the default format (FAT-32) and GUID, Disk Utility will create two partitions on the flash drive. One small 200 MB as EFI and the remainder FAT-32. That chokes Windows as it can't see past the first EFI partition and you'll wind up with a large flash drive with only 200 MB.

    My recommendation for formatting any flash drive smaller than 32 GB is to use a Windows PC. (Disk Manager)


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