next time use the forum search !!
1. because of root read this : h x x ps://help.ubuntu.com/community/RootSudo
2. no sound do this:
Open a Terminal
sudo vi /etc/group
edit the line that contains
audio:x:29:
so that it is
audio:x:29:your_user_name
Save.
3.network:
Open a Terminal
sudo /etc/init.d/networking start
sudo /etc/init.d/wicd start



