>I went on your internet site and downloaded your M599LR driver…
There are no downloads available on this web site.
Display driver: http://www.pcchips.com.tw/vgadriver.html
I can’t find/determine the sound driver. You might want to look at the board and determine what sound chip is being used.
Now, unfortunately, I must say what I have always said on posts regarding PC Chips. I have a very low regard for the quality of the products made by this manufacturer. This is based on firsthand experience with their products in my shop. Larry