일단인터넷모뎀부터확인해봅니다,인터넷모뎀을보면모뎀에5개정도의램프(LED)가있구요,(POWER/CABLE/LAN/RX/TX)꺼있다면인터넷회사로A/S를신청하셔야합니다
[무물보AI] 답변 로딩중...