Router power failure does not go online

After connecting the router, the power light of the router is not bright, the computer inside the net can access each other, but cannot access the network, cannot surf the net.

This situation, the network computer can access each other, indicating that the network is normal, you can mainly check the router. Through the check, the router is found to be power supply is not normal. Can reseat the power supply, if the fault still exists, should replace the router's power supply, after the router power restore power, the fault can be ruled out.