My nokia x2 stuck at logo after Software Sytem Updated topic

After updating my nokia x2, it then restart and stuck at its NOkia logo and never start up. Even my computer can't detect my phone so I don't know how to solve this problem. My friend says that it's because I rooted it before so after updating it. it cause problem. So I wonder if I will be able to fix this?? PLease reply. :(:(:(