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Thread: How to find out if your iso is or isn't corrupt by md5 checking

  1. #1
    Developer balding_parrot's Avatar
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    May 2007
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    3,399

    Default How to find out if your iso is or isn't corrupt by md5 checking

    WINDOWS

    download hashcalc from

    SlavaSoft HashCalc - Hash, CRC, and HMAC Calculator

    Its a free tool

    Install it if it needs it

    open hashcalc
    uncheck all the checkboxes except md5
    change data format to file
    in the data box at the right hand side is a button with 3 dots in click it now navigate to where you downloaded your .iso or .zip and select it and click open

    now press calculate
    after a few seconds (or more depending on your computer speed) there will be a string next to the md5

    now compare that to the md5 hash on the download page

    if they are the same then your iso or zip is ok, if not the you need to download it again

    the hash should be:

    Name:: bt4-final.iso
    Size: 1570 MB
    MD5: af139d2a085978618dc53cabc67b9269

    Name:: bt4-final-vm.zip
    Size: 2000 MB
    MD5: 733b47fad1d56d31bc63c16b3706a11c


    LINUX

    make sure that .iso or zip is somewhere easy to navigate to eg \root

    Open a console Window and navigate to that folder and type

    md5sum <name of file>

    after a few seconds you will get a response

    the hash should be:

    Name:: bt4-final.iso
    Size: 1570 MB
    MD5: af139d2a085978618dc53cabc67b9269

    Name:: bt4-final-vm.zip
    Size: 2000 MB
    MD5: 733b47fad1d56d31bc63c16b3706a11c


    as long as this is the same as the hash should be, you are good to go.


    BTW these steps will work for any file that you need to check the md5 for.

  2. #2
    Just burned his ISO
    Join Date
    Mar 2010
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    23

    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    Is your stated bt4-final size correct? I just downloaded it and I get a file size of 1,533,024 in Win Explorer?

    Thanks,

    Ray

  3. #3
    Just burned his ISO
    Join Date
    Mar 2010
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    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    Thxs for the tut. Yes the sum is correct when you use the calc.

  4. #4
    Just burned his ISO
    Join Date
    Mar 2010
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    1

    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    Thank you it was helpful

  5. #5
    Just burned his ISO
    Join Date
    Jun 2010
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    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    Well I figured out that mine was corrupt, no wonder it wasn't booting. Thanks.

  6. #6
    Just burned his ISO
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    May 2010
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    São Paulo - BRAZIL
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    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    Thank you.

    It's common having troubles on the instalation when the ".iso" is corrupted...

  7. #7
    Just burned his ISO
    Join Date
    Mar 2010
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    2

    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    Nice post, thanks. i am downloading the windows
    "SlavaSoft HashCalc - Hash, CRC, and HMAC Calculator" now. Did not run any md5 check on my iso before installation. Now i have the md5 calculator, i guess it is wise i do the check.

  8. #8
    Just burned his ISO
    Join Date
    Apr 2010
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    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    thanks a lot for all information...

  9. #9
    Just burned his ISO MotherRuss1a's Avatar
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    Jul 2010
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    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    Thank you!

  10. #10
    Just burned his ISO
    Join Date
    Aug 2010
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    6

    Default Re: How to find out if your iso is or isn't corrupt by md5 checking

    On OS X it's the following:

    Open up the Console and type md5 and a space, then drag 'n' drop the image to the terminal-window. Press enter and wait.
    There should be an output like this:
    Code:
    MD5 (~/Downloads/bt4-r1.iso) = f393714a97862398ec2eaba1a5157784

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