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网线连接不通怎么办
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前情提要
查看下载工程 点击属性->参数 查看是否勾选了网络下载选项
如果下载时没勾选 需要勾选后再用 u 盘更新一下
如果确认下载时已经勾选了 网络下载选项 依旧连不上，可采用下列操作验证
网络验证
- 主机控制台来 ping 屏的 ip
cmd
// 这边是屏的地址
ping 192.168.1.100- 开启电脑端的 telnet，使用 telnet 客户端或者主机控制台进入屏内
cmd
// 用telnet连接屏
telnet 192.168.1.100- 在屏内 ping 主机
cmd
// 这边是主机地址
ping 192.168.1.x都能 ping 通说明连接无误。否则可能是 ip 冲突、ip 设置有误以及网线连接等的物理问题
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