coursera “the media could not be loaded either because the server or network falled...“解决办法

1.进入https://ping.eu/nslookup/将地址 输入得到IP地址

has address 13.225.84.9

has address 13.225.84.30

has address 13.225.84.12

has address 13.225.84.143

2.进入 C:\Windows\System32\drivers\etc 以管理员身份进入Host文件，将上方IP地址复制进去注意PI地址在前

13.225.84.30 has address

13.225.84.143 has address

13.225.84.9 has address

13.225.84.12 has address

在cmdz中输入 ipconfig/flushdns 刷新即可