upgrade graphic card pc

 let's dismantle the PC case so that it is free and lift the old VGA

 coincidentally vga old ati radeon 3650 256mb 256bit and I tried to replace it with vga ati radeon 5970 2 Gb 256 bit

   

Ati Radeon 5970 2 Gb 256 bit

 

then install it into the casing and attach it to the PCI Express VGA slot

  And after being installed, make sure it is attached to the bolted mainbord slot on related the 

casing and also the power cable for each socket is attached.