Wifi Problem

[youknowyourself]

My Wifi won't seem to turn on, have tried turning it on/off and taking out the SIM but nothing seems to be working - have had the phone for around the year but my contract runs out in 10 months. Any solutions or will I be Wifi-less for the forseeable future? 

[Phy]

This post might be helpful.

http://talk.sonymobile.com/t5/FAQ/Wi-Fi-problems/m-p/348104#U348104