The latest Linux Kernel has reached 3.11.3. All users of 3.11 series are urged to upgrade as soon as possible. Here’s how to upgrade to new kernel release in Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.04 and Linux Mint.
Linux Kernel 3.11.3 includes a lot of bug fixes as well as updated drivers. See the official announcement.
Upgrade to Kernel 3.11.3
To upgrade to this kernel, press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run commands below to download the DEBs:
For 32-bit system:
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.3-saucy/linux-headers-3.11.3-031103-generic_3.11.3-031103.201310011421_i386.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.3-saucy/linux-headers-3.11.3-031103_3.11.3-031103.201310011421_all.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.3-saucy/linux-image-3.11.3-031103-generic_3.11.3-031103.201310011421_i386.deb
For 64-bit system:
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.3-saucy/linux-headers-3.11.3-031103-generic_3.11.3-031103.201310011421_amd64.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.3-saucy/linux-headers-3.11.3-031103_3.11.3-031103.201310011421_all.deb wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.3-saucy/linux-image-3.11.3-031103-generic_3.11.3-031103.201310011421_amd64.deb
Once downloaded, run below command to install them:
sudo dpkg -i linux-headers-3.11.3*.deb linux-image-3.11.3*.deb
Restart your computer and done!