[Q] sdcard/0 wont mount in cm10

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I am trying to mount sdcard/0, which is my internal sd card. I am using a CM10 rom and realized that /sdcard is now /storage/sdcard0 in jelly bean. I am the only one on the CM10 fourm who can't mount his/hers. When I go to settings-storage-usb storage, I click "mount sd card" and the phone freezes, then it says calculating and it disappears. My actual external-sd card is mounted perfectly and even the computer reads it, but not the internal. I have trying re-installing the rom, and now I cant access my backup either, CWM tells me something about bad MD5 sum? How do I mount the internal sd card/sdcard0? I cant use camera, dropbox, gallery, take screenshots, etc. I hope someone answers since I've tried asking on the CM10 fourm and no one answered, and all the other similar situations are for other devices, mostly Galaxy S2 and Galaxy Nexus.

The same thing happened to me but it was on the external sd. I formatted it with another phone. Did you try reflashing the rom?

Originally Posted by HeyyahAndrea

The same thing happened to me but it was on the external sd. I formatted it with another phone. Did you try reflashing the rom?

First, thanks for replying! First time that happened to me. Anyway, yes I did try doing that, and it didn't work, apollo (stock music app) only reads my external sd music sometimes, but most of the time I will have to unmount and remount the sd card, and the device isnt confused on which is internal and external, because in storage-settings the usb storage is the one not mounted and the one under external sd is the actual external sd.

Re: [Q] sdcard/0 wont mount in cm10

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Try formating internal card after you install rom

Sent from my YP-G70 using xda app-developers app

I feel so nubish! I tried doing that right before I installed, but not after. This was all I needed to do, and no one else (on the other threads) will tell me. Thanks DZ!

I'm having very similar issues on an HTC EVO 4G LTE using CM10. The internal SD card shows up as "Internal Storage" under Settings > Storage, yet after tapping on "Mount SD card," it tries to prepare/calculate it, yet it goes back to the way it was. Using an external microSD card works just fine. I can't format the internal storage via CWM either, as it'll just say:

Formatting /internal_sdcard...
Error mounting /internal_sdcard!
Skipping format...
Done.

Been working on getting CM10 to work properly for a good 5 hours. Calling it a night!