Network Interface Card

I cannot get onto the Internet.
In Device Manage, my
Microsoft 6to4 Adapter
Microsoft ISATAP Adapter
Microsoft ISATAP Adapter #3
Teredo Tunneling Adapter

All have the yellow triangle and the exclamation mark on them. Does this mean I need a new Networking PCI Card?
HP PAVILION P6745F DESKTOP PC
Have tried just about everything else to get online.
Thanks