re-jig

to completely reset something back to its original formating or settings.

Example 1:

Person 1:hey man my bro just downloaded 2 gigs of porn onto my computer 1 gig of which is just viruses

Person 2: ah man now you're gonna have re-jig it, dude that'll take so long

Person 3(person 1's bro):hah you like the present i left you?

Example 2:

Person 1: omg man my fucking new mazda rx-8 has this awesome rotary engine

Person 2: hah why would you buy one they need to be re-jigged every couple of months