Trouble rooting nexus s

[vhta1407]

hi guys I have a nexus s (ATT version) today i tried to root the phone but after unlocking the bootloader each time i connected the phone to the computer it did not get recognized, it only charges up. i tried to make a factory reset but it did not help. can someone help me????

 

[ragnarokx]

Are you saying ADB isn't recognizing your phone, or your computer isn't recognizing it as an SD card/storage drive?