Help! Need to Root NS4g w/o computer!

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I'm not new to android whatsoever.. I've just returned from an Iphone 4s cause i was missing the openess of android. Now.. i've pulled out my old Nexus S 4g, Updated it to 4.0.4 and i cant get it to connect to my computer for the life of me! tried 4 different cables, 5 different computers, every driver i could find and nothing. I've come to believe this is a software failure... All i need is root and i will be able to sleep at night. Could someone package up .zip to give root and twrp recovery that i could flash through stock recovery? I dont know else i could do to get root... but this problem is becoming quite annoying.

Perhaps your usb port on your Nexus S is broke? Does it charge?

Try and I guess the term would be wiggle the micro USB cord and see if the computer makes the sound it makes when a device is plugged in.

My old phone was dropped by my brother. Would charge fine but wouldn't be seen by the computer without fiddling with port.

Sounds unlikely this is your case though. Since you said it worked prior to a update.