There are a lot of reasons why your computer cannot connect to other computer on your LAN or to the Internet and produce a 169.254.x.x IP address. The following should help you troubleshoot connectivity issues:Reboot the network. Start by turning off the computer, router and modem.heck Other Computers â If you have more than one computer on the network, try checking their IP address and see if they also have an IP address similar to 169.254.x.x. To do this, go to Start then Run and type cmd and hit OK. At the command line, type ipconfig /all and hit enter.