try this:试试这样
home/settings ( here WiFi doesn't work.. on my box many times)
首页》设置 这里WIFI无法正常运行 已经很多次了
but go to deeper : advanced setting/WiFi (here it seems to work)
但可以进行深度设置 扩展设置》WIFI 这里可以看得到WIFI可以正常运行
other option..另一种选择
check router log...perhaps its the router having a conflict核对下router log 也许这个router有冲突