There is no unlock switch on a Memory Stick Duo. The files might be set to read-only. Try formatting the stick, or removing the read-only flags on the files.
how to remove lock code from memory card? I PUT A LOCK CODE ON THE MEMORY CARD AND NOW I CANT REMEMBER IT WHAT DO I DO. K Thu, 01 Feb 2007 07:02:33 -0800.
reinsert memory stick error on DSC-S950 - Sony - Camera Hacker
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Apr 24, 2009 · Select DISK TO DISK option. ... Unplug usb card reader and remove working memory card. now insert damag card to usb card reader and plug to ...