How do you manually connect a computer to the

please check that you are using a utp class 5 or better cable, then please try connecting cable to other port than 1 and upgrade firmware

You need to connect a standard network patch cable between port 1 and the ethernat port on your computer. To access the Web-based Utility, launch Internet Explorer, and enter the Router’s default IP address, 192.168.1.1, in the Address field. Then press Enter. This should bring up the router confiuration web page.
The password request page should appear. Leave the User Name field blank. The first time you open the Web-based Utility, use the default password admin.(You can set a new password from the Administration tab’s Management screen.) Then click the OK button.