While you wait for answers, we may have found some information which could help you.
Click here for Drive Computer Recognizehow do i remove corrupt files from jumpdrive?
How can i fix my pendrive?
Corrupt files on USB Lexar 512 mb flash?
How can I retrieve data or fix my Lexar Media Jumpdrive 128mb?
my memory stick has stopped working any ideas on how to retrive the data?
Can information be retrieved from a Lexar Jump Drive that isn't working?