Few weeks ago, the New kernel 3.0 was released .The new release did come with many features such as Btrfs data scrubbing and automatic defragmentation, Berkeley Packet Filter JIT filtering, unprivileged ICMP_ECHO, XEN Dom0 support, wake on WLAN, lots of new drivers and support for many hardware components, and more.
The Ubuntu community has compiled this kernel version and made it ready to download and install for beginners .
Step 1 – Download Linux kernel 3.0 for Ubuntu 11.04
Download the following files for your Linux architecture
For Ubuntu 11.04 32-bit
For Ubuntu 11.04 64-bit
Step 2 – Install Linux kernel 3.0 from the console
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
This will take a while, please be petient en check if any errors has been displayed .After The installaion complted . please reboot anc via the the Grub chose the new kernel.
Warning: Please do not remove the old kernel before to check that the actual kernel is working smoothly