Step 1 - Downloading Linux kernel 3.0 for Ubuntu 11.04 Download the following files for your architecture, one by one, and place them on your home folder (click on the links below to download them): For Ubuntu 11.04 32-bit linux-headers-3.0.0-0300_3.0.0-0300.201107220917_all.deb linux-headers-3.0.0-0300-generic_3.0.0-0300.201107220917_i386.deb linux-image-3.0.0-0300-generic_3.0.0-0300.201107220917_i386.deb For Ubuntu 11.04 64-bit linux-headers-3.0.0-0300_3.0.0-0300.201107220917_all.deb linux-headers-3.0.0-0300-generic_3.0.0-0300.201107220917_amd64.deb linux-image-3.0.0-0300-generic_3.0.0-0300.201107220917_amd64.deb Step 2 - Install Linux kernel 3.0 on Ubuntu 11.04 Hit the CTRL+ALT+T key combination on your keyboard and paste the following command in the terminal window: sudo dpkg -i linux-headers-3.0.0-0300_3.0.0-0300.201107220917_all.deb linux-headers-3.0.0-0300-generic_3.0.0-0300.201107220917_i386.deb linux-image-3.0.0-0300-generic_3.0.0-0300.201107220917_i386.deb Wait for the installation to finish. It should not output any errors. If so, reboot your computer and select the Linux kernel 3.0 entry on your GRUB boot loader. That's it! You are now running Linux kernel 3.0 on your Ubuntu 11.04 (Natty Narwhal) operating system. If you encounter any hardware issues with this kernel, you can always reboot your machine and select the old kernel from the GRUB boot loader. WARNING: Do NOT remove the old Linux kernel packages from your Ubuntu machine! If you encounter any issues with the tutorial, do not hesitate to use our commenting system below.