Cracked a pin or bent a pin? Pins on the motherboard or pins on the CPU? What type of CPU do you have (that will tell us what your motherboard socket is)?
Also, how did the computer crash? Did a surge hit it? Did you have some bad drivers? OS issues? Did it get in a car accident? Basically, if it was a surge or power outage, then it might be the PSU. However, this mysterious cracked/bent pin is the likely culprit.
Borrow a PSU, MB or CPU and test out a theory.