When connecting your computer to a cable modem such as those used various ISP's such as Virgin Media, Telewest & Blueyonder or when connecting your comptuer to a wired network, you may encounter difficulties connecting via the onboard ethernet controller.

• Click start
• In the search box type in dev and click device manager in the list of results
• Click continue to any User Access Control prompt
• Find your network in the device manager list
• Right click on it and choose properties
• Click the advanced tab
• Select Speed and Duplex from the list of options
• Change the value to the right to Half Duplex, 100 Mbps
• Click Ok to make the changes
• Close Device Manager and restart the computer
• Test the internet connection once more.