Linux Kernel 3.11 series has reached v3.11.7. It’s recommended to upgrade as soon as possible if you’re on Kernel 3.11.

Linux Kernel 3.11.7 has lots of updates and bugfixes for USB, wireless drivers, ARM and ext3/4. See the changelog.

This tutorial shows you how to install / upgrade this Kernel in Ubuntu 13.10 Saucy, Ubuntu 13.04 Raring, Ubuntu 12.04 Precise, Ubuntu 12.10 Quantal, Linux Mint and Elementary OS.

To get started, press Ctrl+Alt+T on your keyboard to open terminal. When it opens:

1. Run commands below one by one to download DEBs for Kernel 3.11.7:

For 32 bit system:

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.7-saucy/linux-headers-3.11.7-031107-generic_3.11.7-031107.201311040853_i386.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.7-saucy/linux-headers-3.11.7-031107_3.11.7-031107.201311040853_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.7-saucy/linux-image-3.11.7-031107-generic_3.11.7-031107.201311040853_i386.deb

For 64 bit system:

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.7-saucy/linux-headers-3.11.7-031107-generic_3.11.7-031107.201311040853_amd64.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.7-saucy/linux-headers-3.11.7-031107_3.11.7-031107.201311040853_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.7-saucy/linux-image-3.11.7-031107-generic_3.11.7-031107.201311040853_amd64.deb

2. Both 32 bit & 64 bit install them via:

sudo dpkg -i linux-headers-3.11.7-*.deb linux-image-3.11.7-*.deb

Once done, restart your computer.

If for some reason it does not work properly for you, remove Linux Kernel 3.11.7 via:

sudo apt-get purge linux-headers-3.11.7-* linux-image-3.11.7-*