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Old 12-15-2012, 06:05 AM   #1
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usb stick - no write permissions

I have had a usb stick. Back in the day it worked completely fine, but one day it started mounting only as read only filesystem. I tried to format it but I wasn't able. Now I dig it out because I need it. Again I tried to format it on linux, windows xp, gparted live cd. Nothing worked. Filesystem is read only. I wonder can I do something about it or is it just broken?
Old 12-15-2012, 11:32 AM   #2
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clean it with iso-propanol and use a hair dryer on it.... try

Last edited by amani; 12-15-2012 at 11:34 AM.
Old 12-15-2012, 11:55 AM   #3
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Some of them have a little lever to write protect them. If yours has such a thing try moving it to the other position. Or there and back as it may have shifted to a mid-position over time. Otherwise if you don't care about the current contents of the device you can try to dd over it in linux and see if that helps.

# dd if=/dev/zero of=/dev/(usb_location) bs=8M

If that works then I don't see why you wouldn't be able to partition and format it like any old storage device.
Old 01-07-2013, 01:17 AM   #4
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Try to delete the partition then create a new one and format it as you require.


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