1.应急办法:查询rfkill list all,可以看到ideapad_laptop的无线被物理关闭,可是博主的笔记本根本没这个键位,所以执行sudo modprobe -r ideapad_laptop指令,可以把这个指令写入/etc/rc.local,内容如下 #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the sc…