Why did my 500GB hard drive shrink down to 337GB when I tried to partition it?

Andres Garcia August 10, 2012

I have a 500GB hard drive and for some reason it went down to 337GB when I tried to partition it. During shrinking, my computer threw a blue screen and reset.

Does anyone know whats wrong and how I can get the lost space back? PLEASE help!

  1. Andres Garcia
    August 22, 2012 at 4:06 am

    Thank you all!!!

  2. Mihovil Pletikos
    August 13, 2012 at 6:37 pm

    maybe you have now a partition with 337 gb and a lot of unallocated space... check disk management to see whether this is the case

  3. echantrea
    August 12, 2012 at 10:25 am
  4. Alan Wade
    August 10, 2012 at 7:45 pm

    If, your machine threw a bluey, what was the error code?
    This will help us sort out your problem.

  5. Thomas McArthur
    August 10, 2012 at 7:19 pm

    Yuck, the formatting on MUO sucks. There are no icons for bold, bullets, links, etc., and there are no dates shown for questions. It also removed all white space from my reply, and put every line into one bullet. Ugly. I think I'll stick to SuperUser and ExpertsExchange.

  6. Thomas McArthur
    August 10, 2012 at 7:09 pm

    The term "gig" has multiple meanings. To a hard drive manufacturer, it means 1,000,000. To Windows and Linux, it means 1024 x 1024 = 1,048,576. That might not seem like much of a difference, but a 500 "Gig" drive is really 500,000,000 / 1024 / 1024 = 476.8 Gig. That doesn't explain your 337 number, but it explains some of the "lost" gigs.

    What does Win7 say about the drive in Disk Management? (Right-click My Computer > Manage > under Storage (in the navigator on the left side) click Disk Management > look for your problem drive in the list of drives

    What is the size?
    Does it say "Healthy"?
    How many partitions does it show?
    Is your "missing" size in a 2nd partition?

  7. Stephanie Guertin
    August 10, 2012 at 5:23 pm

    It sounds to me like you might have a bad hard drive. Try searching up Hiren's Boot CD, burning one, and using the hard drive diagnostic and repair programs on that to examine your drive.

  8. ha14
    August 10, 2012 at 12:21 pm

    try partition find and mount

    Is files on 500GB important or you can just format.
    Is your windows booting or you are in BSOD

    How to Run CHKDSK

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