Please help. I have just purchased a HP Pavilion p62480ea desktop PC. This all worked fine out of the box. I also purchased a Geforece GTX 650 Ti graphics card - when I put this in I'm getting no signal on my monitor - using HDMi and DVI cables. (I also installed a new 430w power supply) When I take the graphics card out and go back to the GPU on the motherboard everything works fine. I've read that going into the BIOS and turning off delete/uninstall the video driver in device manager>>>turn off computer>>>install the graphics card - has worked for others. I've tried going into the BIOS but I'm getting no signal when I restart this way. If anyone could help it would be greatly appreciated.