hi,, just today i cleaned my CPU fan and cleaned HotSink.. and after that my pc wont start.. fans run in normal speed.. but not high speed (generally in startup for first 2 sec it run slow speed.. than run on high speed) and even my screen is not getting any ... like not attachend with my pc..something wrong i did during cleanup..????????i cheaked all connection it good.. and as it is like before..pls help with this.... my emil is bbpatelca@hotmail.comthanks for your helps