1. TheArcaneFlame's Avatar
    I have a SanDisk Ultra 64GB MicroSD XC I card in my Surface Pro and it keeps disappearing at random times. I have to eject and then reinsert the card for it to be recognized again. It's super annoying!! Especially when I'm working on photos and am trying to save edits and then all of a sudden the card is no longer accessible.

    The card was purchased new and only ever used in the Surface. Wondering if it is a glitch with my card, a problem with my Surface or a bug?

    Has anyone else experienced this?!
    03-10-2013 10:24 PM
  2. conanheath's Avatar
    SanDisk did have a few issues with earlier cards heating up. Go buy a 8gb card. Should be able to get it for $10 or so. Or try your card in adapter in PC. Load it up and see if you have the same problem or if it gets hot. It will get warm normally but hot is a problem. Might try formatting it in Pro too. Just try narrowing problem to card or Pro. Could be a pin connection or a driver issue as well. If its new, return it. At least you will be able to eliminate the card.
    03-10-2013 10:41 PM
  3. buhhy's Avatar
    I'm not sure if this is the same issue, but you might want to check out my thread over at the Microsoft answers website:

    Surface Pro microSD card unmounts after waking up from sleep - Microsoft Community

    However, if your microSD card is dismounting while in use, it might be because of faulty circuitry. It could well be a hardware problem in the Surface or the SD card. Have you tried testing the microSD card in any other computer?
    03-11-2013 07:09 PM
  4. huang's Avatar
    I also have this problem. You solve this problem now?
    04-07-2013 07:18 PM

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