I have a problem to format/erase an usb drive with mac os x on it. It shows that drive is read only.
Is there any way that I can format/erase disk to become writable?
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i remember this from a few years ago -- there were a lot of these slipping into RO mode. here is a forum talking about it: http://forums.sandisk.com/t5/All-SanDisk-USB-Flash-Drives/Sandisk-cruzer-16GB-became-read-only/td-p/255218/page/2
with no real solution. it is a hardware issue, regarless of operating system etc.