masini

I think you messed up the pots. Some characters must be reversed. And they forgot to delete some symbols.

do not want to scare you but you should also try again with cables. You say that only the battery does not work? When I think is a short circuit somewhere. Perhaps it's related to opening and closing the DVD. Reach there and do something soon? Who knows?

You should think well before not sorry. What resources you need. From what budget you have. The point is to take one performance that you can then add various

I think the best solution is to delete Windows and reinstall it. I think the problem is not just for the audio drivers. May you and other problems.