1,查看一下有没有装过无线网卡驱动
[root@localhost network-scripts]# iwconfig lo no wireless extensions. wlan0 802.11bgn ESSID:"755" Nickname:"rtl8192CE" //如果有这东西出现就说驱动装好了 Mode:Managed Frequency=2.437 GHz Access Point: 38:83:45:32:2C:6E Bit Rate=150 Mb/s Retry:on RTS thr:off Fragment thr:off Encryption key:C9EA-80B7-1756-A1E9-0A03-BE18-02F3-C4A9 Security mode