Ok so I have just installed my new CPU cooler. During the installation process I accidentally dropped a screw on my Powercolor HD7950. After installation of cooler I switched the PC on and nothing on the screen. I have taken the gpu out and put it back in. The fans on the gpu spin but otherwise it doesn't seem to work. I have plugged my HDMI cable into my motherboard for now. This is a very sad day 
Anything else I can try or some software I can use to check if my card is still being picked up?
Anything else I can try or some software I can use to check if my card is still being picked up?