Thread: i need help

okay my old monitor went out so i switched back to my old one. i plug it in and no screan i unpluged it and took out one of my video cards and i got my picture to work but its really choppy and it will not let me change the resalution in the properties. i want to be able to run my sli but if i cant then i will just use my one video card. can someone please help or give me any ideas to try and fix it thanks. you can add me on steam friends at dylan_seelig