Change cid sd card sandisk2/5/2024 ![]() Reformatted using disk utility as master boot record (as done earlier) and recreated partition (FAT, as done earlier). Removed partition, and created new one with FAT using disk utility tool. ![]() Then formatted the cards using windows 8 (dual boot, same system) as FAT 32, now everything works fine.Ħ4 heads, 63 sectors/track, 957 cylinders, total 3862528 sectors used 2 cards, 2 adapters and system build in card reader.Ĭould using some ways mentioned in this forum write data to the card as root but got 'read-only' error in Nautilis. If there's anything you don't understand just comment. If all of this doesn't work, use this command : sudo mount -options remount,rw Though if you just execute the first command sudo nautilus it will save you all this trouble, but you'll have to do it every time you use the SDHC. This will change ownership of the drive to you. It will probably be /dev/sdb or /dev/sdc, then sudo chown -hR This will give you a list of the drives on your system, figure out which drive it is in the list, easiest way is to look for the blocks as this is the space. ![]() This will launch nautilus in root shell and bypass all permissions. In terminal, use these commands: gksudo nautilus Second possibility is that being a file permission issue, in which case you can do the following : That you can't change, just try to use another reader or you could put a piece of silicon or tape on notch, easiest thing is to use another reader. Two possibilities, first is that being a hardware thing, as micro SDHC have a little notch you can easily notice which matches another notch in the reader and that basically just enables it in read-only mode. UPD3: There was no glue near me, so I've decided to buy another card-reader. Perhaps, I have to find some glue or something to get that switch stuck. UPD2: I've found a small "lock" switch on my card adapter, and it turns out, that when I insert it in my notebook, it switches on. I/O size (minimum/optimal): 512 bytes / 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes ![]() So, can anybody tell me, how can I write a data onto the card? When I try to insert such a "read-only" card in my mobile phone, everything's OK and I can write data on it. I've encountered it on Ubuntu 12.04 LTS, now I'm on Ubuntu 12.10, the problem is still on it's place. This problem happens for all microSD cards (I've tested 2 cards). And I can't change the permission policy for it. The same thing happens when I try to do it under root. When I insert a MicroSD memory card into it, I can't write any data on it - it's read-only. I have a MicroSD card reader in my notebook.
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