How to the disk is write protected remove the write protection

[amzad2008bd]

I want to copy some picture from C drive to a removable disc.but it is not working.In screen I saw that "the disc is write protected.please remove disc write protection."what i should do?

 

[buwish]

Is it an SD card?

http://wiki.answers.com/Q/How_do_you_remove_write_protection_from_a_mini_SD_card