help po sa unwanted video problems

mga bossing di ko alam kung pano masosolve tong problem ko, paki tingnan nlng ung attached image. ACtually recently lng nangyari to tuwing ginagamit ko ung cad, max or any software may unwanted pixel part na lumalabas sa monitor ko, I already check the connections and set all necessary settings sa video card ko pero ganun prin. BTW nvidia Zotac Geforce 94000GT, 1gb ang memory.Pa adevise nman mga bossing https://i.servimg.com/u/f16/14/36/92/33/110.jpg

run your 3d performance tuner to know wether your computer is capable or well suited for autocad 3d environment. Just run at the command line: 3dconfig and recheck all the items listed there.