ubuntu下wifi灰色的解决办法

ubuntu上wifi是灰色的解决办法：

[解决]

　　rpeter@oodelang:~$ rfkill list
　　0: hp-wifi: Wireless LAN
　　Soft blocked: yes
　　Hard blocked: yes
　　1: phy0: Wireless LAN
　　Soft blocked: yes
　　Hard blocked: yes
　　rpeter@goodelang:~$rfkill unblock all 干掉所有软件block
　　rpeter@goodelang:~$ rfkill list
　　0: hp-wifi: Wireless LAN
　　Soft blocked: yes
　　Hard blocked: yes
　　1: phy0: Wireless LAN
　　Soft blocked: no
　　Hard blocked: no
　　Hard block 问题： Fn+F2 解决(明明laptop有wifi的硬件开关，Linux还是默认这对冤家当硬件开关)
　　[搞定]
　　rpeter@goodelang:~$ rfkill list
　　0: hp-wifi: Wireless LAN
　　Soft blocked: no
　　Hard blocked: no
　　1: phy0: Wireless LAN
　　Soft blocked: no
　　Hard blocked: no

　　问题解决了!

另可能会出现1：phy0：wireless LAN

                               Soft blocked：yes

                              Hard blocked：no

解决办法：

echo blacklist acer-wmi | sudo tee -a /etc/modprobe.d/blacklist-acer-wmi.conf