To fix the router issues you have to check all the cable connections. The cables should not be loosed and you need to keep a visible distance between the router and modem. This will make sure that the Wi-Fi signals are not clashing. That will fix most of the Netgear router WNR2020 setup issues. If you want to set up the Netgear wnr2200 router then remove cables connecting to the PC. Then plug in the modem power adapter and check the power light to make sure the modem is on. Use Netgear wnr2200 manual and connect the router. You can follow the steps given in the manual and you are all set.