Hello, I tried rooting my Xperia Arc S today and i totally failed, I'm new to this rooting thing so I searched for a quick and easy guide and found this

youtube.com/watch?v=JtzA3fppllE

I followed the instructions but it does not mention you have to install ClockWorkMod before you flash your cellphone... I just followed the steps the guy indicated and ended up with my cellphone displaying the SONY logo and then changing to the Sony Ericsson Logo over and over again, even if I press the volume up key, press and hold, spam, whatever I do it's the same, I connected it to my computer and it does the very same thing, I know I'm an ***** for not reading other guides or something but now I have no cellphone and I really need to either finish rooting it or reset it to ginger bread, I don't know, I just want my cellphone to work, please tell me there is a solution, Thanks a lot!