Format a Micro SD Card used as Android adopted storage (android_meta and android_extended)

normanp

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Mar 10, 2014
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I have this SanDisk 32GB MicroSD card that's ended up with two partitions -
android_meta and android_extended as result of a failed attempt to use the card as Adopted Storage in a Lenovo Phone.

Neither Windows or Android now detect the card, and I've tried quite a few methods to get the card to work. These include using diskpart, chkdsk, testdisk.exe, mounting it using a pc running linux and using a few other disk repair softwares. But, none seem to be able to format the disk.

Is there a way I can get this card back to normal. It's a blank card so data recovery does not matter.
 

ManiacJoe

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Aug 5, 2015
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Using a card reader, Windows should happily let you format the card.
What is the exact wording of any error message you are getting?
 

B. Diddy

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I'd say that if your PC doesn't detect the card at all, then it probably got irretrievably corrupted during whatever process was used to adopt it.
 

mustang7757

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I don't recommend SD card as adoptable storage for this very reason of being corrupt and not fast read speeds