1 If you start your computer before your network device (i.e router / modem). 2  Your computer will not receive any network IP settings as canât find DHCP Server and APIPA service of your computer will assign itself a 169.254.x.x IP address. DHCP Server (i.e router / modem), sometime DHCP Server doesnât release IP address when your computer is demanding. 2  If your computer doesnât get IP settings from DHCP Server, it sets itself into 169 ip address. 3  Quick Fix Reboot network device (router) or reset to factory defaults.