My phone won't turn on!

Hi ! last month i want to update my android version to ICS (android 4.0) but what happen is the phone was out of charge when i start updating it it was like 20% =\\ when the update start installing my phone turn off and know i can't turn it on =(( (when i turn it on the screen work and showup the word *LG* and then turn off it's like that 10 times and then turn off when i put the phone on charge still doing this >.> i tryed to root it but won't work =( and i can't even connect it to pc =\\ please help

ps: from this page i tryed to update my phone http://www.ibtimes.co.uk/lg-optimus-3d-i...