I need help asap.
while trying to switch motherboards, i bent some pins of the CPU, fixed it but now my computer will not send a signal to my mouse, kyeboard, or monitor. today, it won't even turn on

Did it ever work after you "fixed it" or what made you think you "fixed it"?

Bent pins are not a good sign and unfortunately not very "fixable".

Does the board get power? Do you get any beeps?

I reseated the CPU and connected the fans and the power. it works, but once i connect everthing else, it starts then stops

I would suggest going back to the bare basics and adding things one at a time.

Are you saying with the CPU; RAM; Graphics Card; and monitor the computer starts and runs?

Are you saying if you add the keyboard to the above it shuts down?

Or else what is the exact array of components from when it runs to when it does not?