路由器的指示灯只有wan 路由器WAN口指示灯不亮的原因和解决办法
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Ⅰ、新装宽带或者路由器，可能PPPOE拨号的宽带帐号和密码错误，注意区分“大小写字母”！！！
Ⅱ、如果以前没问题，突然出现的，说明宽带断网，等一会儿吧（一般1小时左右，最长2天也可能）
Ⅲ、检查路由器与宽带猫的网线是否接触良好
反复出现上面故障，说明宽带网络不稳定，请拔打宽带服务电话，报修
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