Download the latest version of the kernel deb package.
If the system is 64, then the download linux-image amd64 contained in the generic deb package;
If the system is 32, then the download linux-image i386 contains the generic deb package;
http://kernel.ubuntu.com/~kernel-ppa/mainline/
Installation of command is as follows (in 64-bit 4.9.3 the latest version of example only, substitute for the downloaded deb package):
wget --no-check-certificate https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9.3/linux-image-4.9.3-040903-generic_4.9.3-040903.201701120631_amd64.deb
dpkg -i linux-image-4.9.3-040903-generic_4.9.3-040903.201701120631_amd64.deb
After installation is complete, and then execute the command:
/usr/sbin/update-grub
Finally, restart
