I had a similar problem with an old router from different manufacturer.. I wont post the link to the product but if you search for Belkin usb network hub you'll find something that will help you do...

Hi, im having the same issue with a brand new TD-W8961ND (300mbps Wireless N ADSL2+ Modem Router). Have you managed to figure out what the problem is? Its driving me mad because I had better...