Hello. I has changed one GPU and whe the computer begins start, before starts the windows 7, the characters appears very slowly on the screen, and pass more than one minute to can access to the bios. The GPU it's an ASUS EN210 GeForce 210 (Nvidia) The motherboard it's an ASUS P5VD2-X How I can solve this problem? Maybe the GPU it's not compatible with this motherborard? Maybe I need to change the bios gpu clock settings? Any help are wellcome. Thank You !