ubuntu 内核升级到4.6.4（更高版本可能造成系统无法启动）
kernel debian包下载地址 http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6.4/
sudo dpkg -i linux-headers-4.6.4-040604_4.6.4-040604.201607111332_all.deb linux-headers-4.6.4-040604-generic_4.6.4-040604.201607111332_amd64.deb linux-image-4.6.4-040604-generic_4.6.4-040604.201607111332_amd64.deb
sudo update-grub
sudo reboot
******如果无法进入新内核系统，则选择进入原系统删除刚安装的kernel******
删除内核版本
sudo dpkg -r linux-headers-4.9.0-040900_4.9.0-040900.201612111631_all.deb linux-headers-4.9.0-040900-generic_4.9.0-040900.201612111631_amd64.deb linux-image-4.9.0-040900-generic_4.9.0-040900.201612111631_amd64.deb
sudo update-grub
sudo reboot
驱动固件下载(只支持4.6以上kernel版本)
https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi
选择 Intel® Wireless 8265
解压 tar -zxvf iwlwifi-8265-ucode-22.361476.0.tgz
拷贝 cp iwlwifi-8265-ucode-22.361476.0/iwl*.ucode /lib/firmware
下载驱动
git clone git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git
cd backport-iwlwifi
make menuconfig # 选择 Build all compat code
make
sudo make install
重启
查看网卡驱动
sudo lshw -class network | grep configuration #可以看到驱动版本号说明驱动安装成功
modinfo| grep iwlwifi |grep filename
lspci -vvv
更改设置
sudo vi /etc/modprobe.d/blacklist.conf 中写入一行内容 blacklist acer_wmi