Hello, i installed Lubuntu in my pc but it automatly detec DIGITAL OUPUT as predeterminated and my motherboard doesnt have that output, and say that my analog output is disconneted but its connected, when i choose the analog output it works, but i want in every start it reconigze my analog output as predeterminated and connected, how can i do it?

My motherboard is FOXCONN M61PMV with Amd Athlon 7750 x2