2018 February 1 1 chiping Telecom's optical fiber connection failed?

1, broadband arrears: go to the business hall to renew the fee. 2. Router problem: restart the router and change to a new router. 3, motherboard network card problem: maintenance point to repair the motherboard, change a motherboard. Broadband: In basic electronics and electronic communication, it describes that serial numbers or electronic circuits contain or can handle a wide frequency range at the same time.