Im having trouble taking the write protection off on my laptop

[herve pierrot]

what can i do to take the write protection off on my laptop, i've tried changing sd card even the card reader but nothing happens .it still tell me my disk is write protected

 

[iwannaknow1]

you might have write protection enabled in the registry

http://justtechnika.com/articles/enable-and-disable-write-protect-in-your-removable-storage-devices-like-pen-drive-memory-card-etc/