Upgrade Linux Kernel 4.5.1 (Stable). How to install Linux Kernel 4.5.1 (Stable) on Ubuntu and Linux Mint Derivatives.
On 32 Bit Ubuntu Systems
Run the following commands in Terminal to install or upgrade Linux Kernel 4.5.1 RC3 on 32 Bit Ubuntu Systems:
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-headers-4.5.1-040501_4.5.1-040501.201604121331_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-headers-4.5.1-040501-generic_4.5.1-040501.201604121331_i386.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-image-4.5.1-040501-generic_4.5.1-040501.201604121331_i386.deb
sudo dpkg -i *.deb
sudo update-grub
sudo reboot
On 64 Bit Ubuntu Systems
Run the following commands in Terminal to install or upgrade Linux Kernel 4.5.1 RC3 on 64 Bit Ubuntu Systems:
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-headers-4.5.1-040501_4.5.1-040501.201604121331_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-headers-4.5.1-040501-generic_4.5.1-040501.201604121331_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5.1-wily/linux-image-4.5.1-040501-generic_4.5.1-040501.201604121331_amd64.deb
sudo dpkg -i *.deb
sudo update-grub
sudo reboot
Atfer installing a new version of Kernel, please restart the system
Kernel 4.5.1 Changelog – https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1