Garrys Mod Audio issues

Recently(About 2 or so months ago) my Garrys Mod audio stopped work, but the weird thing is, it only stops working when I join a server, and, from what I can tell, it has happened to all my current Source games including ; Counter Strike Source, Counter Strike Global Offensive , and Team Fortress 2. Outside of these games, my audio works fine with anything, and the audio works fine in the source games up until I join a server. Please help…

Computer : Dell Inspirion 1520
OS : Windows 7 Ulimate
Specs ; http://www.cnet.com/laptops/dell-inspiron-1520/4507-3121_7-32471366.html

Thanks!

Scratch that fixed it, it was my drivers, all I had to do was uninstall the ones that I had and install generic ones, that work just as fine.
The error the console was giving me was ; “Could not load sound buffer”