joolsd wrote:Could the intergrated network device be faulty?
Yes it could be bad, however I would think that is not the case because you can make it work.
Open up Network and Sharing Center. You can find this by going to Start then typing Network and Sharing Center into the search box.
In the left window pane click Change adapter settings.
You will see all of your network adapters here which include the Ethernet and Wireless adapters.
Depending on what you are trying to fix, choose the appropriate adapter. Usually, Local Area Connection is your Ethernet adapter and Wireless Network Connection is your Wi-Fi adapter. Although, these might be named differently the default names are Local Area Connection and Wireless Network Connection.
Disable the adapter that is having issues with internet connectivity either by right clicking the adapter and selecting disable, or double clicking the adapter and choosing the disable button.
Re-enable the adapter by double clicking it. You can also re-enable it by right clicking on the adapter icon and selecting Enable.
See if it works