笔记本电脑MacBook连上wifi 但不能上网 有黄色三角感叹号 显示无Internet 但 笔记本连接上wifi,但是出现黄色感叹号是怎么回事?
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2、请登陆WIFI后,打开WIFI的WAN口的连接状态。如果显示已连接,请重新启动下。检查WAN是否连接成功,获取到IP和DNS。如果WAN显示未连接或IP和DNS显示0.0.0.0,表示WAN未连接到互联网。
3、如果显示未连接,请检查连接设置。也可以重新初始化WIFI,重新设置。
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