git clone https://github.com/lwfinger/rtlwifi_new
cd rtlwifi_new
sudo make install
sudo modprobe rtl8723be
前几步都没有问题,但是到了最后一步
~/rtlwifi_new/rtlwifi_new$ sudo modprobe -r rtl8723be
~/rtlwifi_new/rtlwifi_new$ sudo modprobe rtl8723be
modprobe: ERROR: could not insert 'rtl8723be': Required key not available



在网上找解决方法也没找到