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Micro SD 400Gb card not recognized by new Surface Pro 6

Anonymous
2018-11-29T12:10:49+00:00

Hi. I just purchased the new Surface Pro 6, i5, 256Gb laptop. It works great except I bought a new 400Gb Sandisk Micro SD card and it’s not being recognized by my laptop. I’ve tried the hardware troubleshooting in Windows 10 and also rebooted and reinserted the card several times and no luck.  Need help. 

Any ideas?  

Thank you

Surface | Surface Pro | Install and update

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  1. Anonymous
    2018-12-15T23:41:15+00:00

    Any luck getting the 400GB Sandisk microSD card to work in the SP6?

    I just bought that card and am having the same problem. It works if I put it in a USB adapter and plug it into the USB 3.0 port on the side of the SP, but it does not work when I put it in the SP's microSD card slot. 

    WAIT! 

    I take that back. I tried a couple of old reliable 64GB microSD cards I had laying around and they all worked in the SP6's microSD card slot. But I noticed they went in much further than the 400GB card had. 

    A little wiggling and I got the 400GB card to insert further into the SP6's microsSD card slot and it started working. Apparently the physical body of the card is such that it wants to catch on something on the way in. It took about a half dozen tries to finesse it in all the way.

    But once I got it inserted all the way, the 400GB Sandisk microSD card started working the in SP6 just fine.

    20+ people found this answer helpful.
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  2. Anonymous
    2019-01-18T16:00:17+00:00

    Well, I wiggled and I waggled... and it worked! Not a great mechanism though.

    10 people found this answer helpful.
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  3. Barb Bowman 80,700 Reputation points MVP Volunteer Moderator
    2018-11-30T10:46:14+00:00

    You might try carefully putting a small piece of masking tape over the top of

    the card to make it "thicker". I had to do this on a SP5 with  200GB Sandisk

    card. Let me know results.

    (I asked about where purchased because sometimes counterfeit cards that are not

    really what they claim to be are mixed in with real stock on Amazon, but if the

    card works successfully on other computers and reports the correct capacity, it

    should be ok).

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  4. Anonymous
    2018-11-29T19:21:57+00:00

    No, it doesn't make the UPnP sound when inserted.

    It does work on other devices.

    Bought it on Amazon.

    thanks.

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  5. Barb Bowman 80,700 Reputation points MVP Volunteer Moderator
    2018-11-29T13:12:42+00:00

    does it make the UPnP "ding" sound when inserted or not?

    does it work properly on another device?

    where did you purchase the Sandisk card?

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