cruzer blade 4gb not getting detected

hi
i have bought 4 gbcruzer blade on 13th of september, 2010 but now it has stopped working. it is not getting detected in any of my computers. i had also tried your way mentioned in one of the forum, but it did’nt work.
please provide me a solution.

thanks regards

mayank sangoi

m.sangoi@yahoo.com

Hi. Have you already all these steps?

http://kb.sandisk.com/app/answers/detail/a_id/10/kw/cruzer%20not%20detected

If yes, try disable the U3 functionality. 

my usb scandisk cruzer 4gb not showing in my comuter