Why am I stuck the old display

Is to buy a new computer display monitors, Samsung is the old
P43 motherboard 5200CPU 250G hard disk memory 4G colorful graphics 9600GT512M Wanchuan Qi
why even the music would be stuck, but can sometimes play a full-screen appear little by little The red pattern is to ask What's wrong?

Graphics should be a problem, you try to look for your card! ! ! Access to the aging CRT display to see in the other, to see whether the display, if the situation remains the same, while card-for-block to try