Well,I got a new computer(yay),so I was trying to see what CPU the old one had,opened up and took the CPU out,put it back in.And then it wont start now.However the greenlight still comes on upon pressing the button.When I took one of the DIMM memory chips out it worked,however a starting screen never appeared,also making the one chip that remained very,very HOT!When I put the second DIMM chip back in then it doesnt start.Any clues guys?Please help.