Do you have a Netgear Router to fulfill all your online requirements? If yes, instances might occur when you encounter the Netgear Router Error code 651 which can trigger either due to configuration issues, network-related problems, glitches in IP address, or an incorrect registry entry. To resolve this, you can try resetting the IP address on your computer system. However, before that, it is recommended that you restart your network by first turning off your router and the computer, disconnecting all the cables including the power adapters, and then connecting them back after two minutes. If the problem persists, you can generate a copy of your Dial-up connection or even solve registry issues of your computer.