Question about SanDisk 4GB Memory Stick PRO Duo Memory Card

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Wont autorun! not formatted?

Usually when i put my sandisk 4gb memory stick pro duo in the drive it autoruns and gives me options to load photos. all of a sudden it stopped doing that and if i try to manually run it says disk not formatted...

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  • reneesmlbx May 15, 2009

    Actually, I am having this problem with 2 memory cards that i have been using for a while. All of a sudden I cant access the pics. It wont autorun, and when I try to go directly to the drive I get the message about it not being formatted. I click yes to format and then get a message that says unable to format...



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Yeah there is an issue with the format of the card, you would need to format the card before you use it ever in your camera or pc.. The thing is people think there already formated and the camera sotred the pics on it without a format or with a format of its own that is not recon. by the computer. Make sure you format using FAT and not NTFS or any other format to allevaite further issue's.. I hope this helps you and Thank you for using please rate this soution we do not get compensated for free questions however we look for good ratings..

Posted on May 15, 2009

  • Grand Canyon Tech
    Grand Canyon Tech May 15, 2009

    Try doing it on another computer to rule out the memory card if you have two memory cards doing the same thing then wow its got to be the computer or the memory card is locked check for locking mechisem thanks dont forgrt to rate


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Try and either plug the camera that it goes in directly to the pc or simply try another usb port/computer. If it does the same on another PC it's not impossible that card has become faulty.

Posted on Dec 06, 2009


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If you have a autorun.inf virus on your memory card/USB stick the anti virus software on your PC may not allow access in order to stop it from spreading.

First you need to disable autorun feature on Windows operating system :

Follow steps in link :

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OK, I would try to go to Walmart where they have a known good reader for the Sony Memory Stick Pro Duo, and ask them to try to read it.
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Actually, I am having this problem with 2 memory cards that i have been using for a while. All of a sudden I cant access the pics. It wont autorun, and when I try to go directly to the drive I get the...

The possible cause of issue is file corruption or virus infection, scan your MMC cards for any virus infection or format it using the device in which you use it.

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