The 1.2.3 light of the router should be LAN 1/LAN2/LAN3. This is a network port and so on. , corresponding to the network cable socket at the back. If the socket is not plugged in, it won't light up. Similarly, even if the network cable is plugged in, the equipment at the other end of the network cable will be turned on, and the 123 light will be on. Keep flashing.

Reset is to restore the factory settings. If you press this button, you can't surf the Internet for sure. Enter the router settings, open a webpage, enter the router address in the address bar (192.168.0.1), and enter the router settings interface for setting.

Enter your online account and password and follow the prompts step by step.

If there is a fixed IP setting in the enterprise, you need to fill in the static IP address provided by the enterprise and save it in the router. If it is set in a second-level router, it needs to be changed to a dynamic IP address, and the IP address of the LAN port needs to be changed to be the same as that of the upper-level router.