Hi John thankx for the reply, My system is a Dell XPS720H2c it has a seperate sound card & ive been into the system properties & it says ive got the HD audio bus installed.? tbh John my system is acting very weird im going to format it but il let you know if that solved it just for anyone that clicks on this link from any search engines, Thankx again john im VERY greatfull for your time! UB
I had a problem just after installing W7 - maybe a coincidence. The sound card properties on Device manager were ok. but I got no sound.I think the speakers had caused some sort of feedback and blown the output part. In the end I neded a new sound card and speakers. Worth seeing if you can hear anything via headphones. Good luck.