[Q] SdCard stuck on "read only" - Thunderbolt Q&A, Help & Troubleshooting

Just wondering if anybody has had this issue before. I searched around a bit but haven't found a clear answer yet. After flashing a kernel through Kernel Manager Pro, the phone rebooted, checked sdcard as usual, then popped up that there was an error and sdcard was mounted as "read only". I had made a backup right before flashing the kernel like I usually do so I restored that backup but got the same error. I booted into recovery and wiped data and cache and so on and rebooted into android. No luck with that either, so I tried a backup of a different rom I had. Still the same issue (also wiped between restoring backups for good measure). Plugging it into the computer would work because it would not recognize the sdcard as a removable drive (had the "use as disk drive" option chose on my phone to clarify). Finally I had to boot into recovery, mount usb storage, right click on the drive that my phone was, and click "check and fix for errors". After a very long wait it finished and I unmounted usb storage and rebooted into android again. That finally fixed it (whew), and now I have a folder on my sdcard that is titled "FOUND.0000", and there are text files in it with names such as "FOUND.0000CHK, FOUND.0001CHK" and so on. Do I need these files anymore or is just showing me what was wrong and fixed on my sdcard? Will it cause any issues if I delete the folder? Sorry if all this is confusing or stupid. I just have never had an issue like this before and I have rooted and used quite a few android phones and tablets. Im not a noob but I definitely do not know that much about this kind of stuff so any help would be greatly appreciated! TIA
Travis

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TMYINC said:
Just wondering if anybody has had this issue before. I searched around a bit but haven't found a clear answer yet. After flashing a kernel through Kernel Manager Pro, the phone rebooted, checked sdcard as usual, then popped up that there was an error and sdcard was mounted as "read only". I had made a backup right before flashing the kernel like I usually do so I restored that backup but got the same error. I booted into recovery and wiped data and cache and so on and rebooted into android. No luck with that either, so I tried a backup of a different rom I had. Still the same issue (also wiped between restoring backups for good measure). Plugging it into the computer would work because it would not recognize the sdcard as a removable drive (had the "use as disk drive" option chose on my phone to clarify). Finally I had to boot into recovery, mount usb storage, right click on the drive that my phone was, and click "check and fix for errors". After a very long wait it finished and I unmounted usb storage and rebooted into android again. That finally fixed it (whew), and now I have a folder on my sdcard that is titled "FOUND.0000", and there are text files in it with names such as "FOUND.0000CHK, FOUND.0001CHK" and so on. Do I need these files anymore or is just showing me what was wrong and fixed on my sdcard? Will it cause any issues if I delete the folder? Sorry if all this is confusing or stupid. I just have never had an issue like this before and I have rooted and used quite a few android phones and tablets. Im not a noob but I definitely do not know that much about this kind of stuff so any help would be greatly appreciated! TIA
Travis
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This is very interesting. I've never had a problem with the SD card. Is this the same SD card that shipped with the phone?
When you, "right click on the drive that my phone was, and click "check and fix for errors" is that a windows command? Does the picture below represent the action you took?
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Did you end up deleting those files? If so, what happened?

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I am having some weird errors with my SDcard myself. I went from a flashed kernel on CM7 off to another ROM. Rebooted and SDcard errors out the wazoo. I am getting MD5 mismatches on a lot of my backups at that. If I can get a ROM that fully boots, I will likely wipe the sdcard and start over to see if it isn't from a corrupt file or something.

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The same exact thing happened to me. I mounted my SD card from recovery and windows auto fixed it.
If that didn't work I was going to wipe backup. wipe, and reformat.