(Press the Win+Pause/Break key, click the "Hardware" tab, and then click "Device Manager" to open the "Device Manager", double-click the corresponding network card under "Network Adapter", and click "Advanced" in the opening window. ” tab, select LinkSpeed/DuplexMode (connection speed/duplex mode), and then select 100FullMode under it. This allows the network card to be adjusted to full speed. Of course, assuming you're using a wireless network.)