i bought myself a new motherboard included with a cpu and ram. its a phenom normal. when i've installed everything afterwards.i put in my graphics card and booted up. as everything was working. i tried going into a simple game as quake3. i was litrily in for like 10sec and my pc froze. i then reseted my pc and realise that my board is not picking up my hard drives. i then took out my graphics card and ran the onboard card. and then poof. it was fine again. i thought for a minute that it couldve been my graphics card and echanged it like 3 times. and all times the same problem. i then spoke to a friend. and he told me after runing cpu-z that the board is not compatible with the graphics card. i then wen and bought a brand new motherboard and funny enough when i installed everything I HAD NO POWER?!??! could this mean that my power supply is to s**tty to handle everything? and or is it because it was pretty cheap for a 750w

please help

Mate, when you post asking for help, write a list of your Hardware. Otherwise no one
can help you!

What GPU do you have for a start? We need the specs please

We NEED a make and model for the following components:
Motherboard, RAM, CPU, Video Card, Power Supply.

The make and model of these is not necessary but wouldn't hurt:
Hard Drive, Monitor, Sound Card.