The easiest way for you is to use a pc fixer for help. http://tiny.c...mrx. Download and install it, and it will identify your PC issues in 2 minutes. Besides, it helps you fix errors, optimize your computer to boost speed and performance, improve startup times and increase stability. Just perform a quick scan, after the scan finishes, click fix all button to remove all problems from your computer!

建议你可以换张显示卡看看(旧的驱动记得也要移除上新的驱动)
或者是机版若有内建显示晶片,先把独显拆除(一样独显驱动移除,上机版显示晶片的驱动)
给你参考~试看看吧