Sandisk cruzer micro 2gb not detected. 2 weeks ago i bought a new sandisk micro . and i used it in

Question

2 weeks ago i bought a new sandisk micro . and i used it in my office computer ..but now it is not even detected..when i plug it in the green light just flashes and then goes out..what should i doo to revive it back..i am unable to even format it as the drive is not shown be0709aiyb sdcz6-2048rb