While you wait for answers, we may have found some information which could help you.
Click here for Drive Working FilesHow to fix a Lexar 1GB jump drive?
how do i remove corrupt files from jumpdrive?
Lexar Jumpdrive HARDWARE repair .. i think?
How can I retrieve data or fix my Lexar Media Jumpdrive 128mb?
How can i fix my pendrive?
Corrupt files on USB Lexar 512 mb flash?