no sound

[ddouglass]

What kind of laptop is it?
That is the web site you should check for drivers.

[Dufgolfer]

It is a Twin Head I bought from MTU but I cannot find a web site for them, just distributors and batteries.
Dufgolfer

[ddouglass]

http://www.twinhead.com.tw/index_en.asp

Found the link through a service location.

[Beavis]

might have to get a usb external sound card, they are the least expensive.