If these steps do not bring any result, reset the modem to the factory state, and then re-configure it (if necessary, the data specifically for your model can be provided by the Internet provider).
Ọ bụrụ na omume ndị a emeghị ihe, rụgharịa modem na ụlọ ọrụ mmepụta ihe ma weghachite ya (ọ bụrụ na ọ dị mkpa, onye na-ahụ maka Ịntanetị ga-enye data kpọmkwem maka ihe nlereanya gị).