q6600 cpu

Hi, I have an old PC which is not starting. When I press the power button, the cabinet fan starts and after a few seconds it stops. Then again it restarts on its own and after a few seconds it stops. This goes on indefinitely. There is no display or beep sound from the desktop. What could...

We have a ancient Q6600 Core 2 Quad chip with a 760 GTX rig that is slow as a Turtle ,,, no phun,,, I want to dismantle the computer and put it in another case that we have which is a really sweet looking case as the Q6600 is on a crummy small ITX case. That is my current project as a must do...