SOLVED: Windows 10 won't recognize 32GB SanDisk SDHC

thornev

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Apr 14, 2021
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Hudson Valley NY USA
Gear owned
DP-24SD
I tried a search on the error message and got no results. Just got my DP-24SD today and immediately wanted to backup the 4GB card that comes with the unit to a 32GB card, one that was tested by Tascam, so I can play with the demo song on the 32GB card. I was able to format the card in the unit, but when I enable USB on the unit and plug in a USB cable, Windows 10 Pro 64-bit says "You need to format the disk in drive O: before you can use it." I googled the error and tried several solutions - nothing worked.

The card is SanDisk 32GB micro SDHC, class 4.

I tried formatting the card with all supported formats using Windows 10 apps and 3rd party apps (like by EaseUS). No dice. One solution was formatting in Windows powershell - format /FS:FAT32 O: - and I got this error: "The volume is too small for FAT32."

I tried an external card reader - same errors. I tried Windows Disk Partition - no change.

I don't know what options are left. I know the manual says Windows 8 is the latest Windows OS that the unit supports, but come on, that OS reached "end of life" in January 2016. Tascam devices can't claim support for operating systems that are no longer supported!

If I can't solve this problem, I can't backup nor restore using this Tascam-supported card. Am I missing something?

EDIT: A related issue... After I enable USB on the unit and then disable USB, I get this error from the unit: "MBR Error - Init CARD." Is the unit telling me the card is not formatted even though format completed successfully? The manual says to reformat the card, but then I end up in an infinite loop - format completes, Enable USB, Windows cannot read the card, disable USB, get MBR Error, format card, Enable USB, and on and on.

I also tried formatting on Windows putting the card in an adapter. No good.

If Windows cannot format the card in a card reader, I guess the card is bad? I did order another 32GB card.
 
Last edited:
OK. It was indeed a bad USB card. I put another 32GB in, formatted it on unit, turned on USB and Windows sees it fine. I can't imagine why the other card went bad. Oh well.
 
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