Ignore lew ^^ he is once again just spamming this site for buisness!
you have not installed the network card drivers yet, goto the packard bell website, click on support, enter the model number of your computer and download the following drivers (if available).
Network card
Chipset
Video
Audio
Packard bell's site is here
http://support.packardbell.com/uk/
if your not sure post the model number of your computer and will post links to the correct driver downloads