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Published on May 22, 2012
How to Upgrade the Kernel in Ubuntu and Mint. WARNING This isn't worth doing unless you're having problems with the old kernel or you're adding new hardware which is unsupported in old Kernel 3.2, such as nVidia Kepler (600 series) or AMD HD 7000 series Graphics cards.
Improvements in Kernel 3.4: Reduced Power Usage Speed improvements for BTRFS file systems More wireless network drivers from Ralink and Broadcom added Support for nVidia Kepler chipsets (600 series) Support for AMD Southern Islands GPUs (HD 7000 series) Support for AMD Trinity Processors
Ubuntu Kernel Website: http://kernel.ubuntu.com/~kernel-ppa/... Look for the latest Kernel Download linux-headers-3.4.x-xxx-all.deb, plus the headers and image for your system architecture. e.g. linux-headers-3.4.x-xxx-i386.deb, and linux-image-3.4.x-xxx-generic-i386.deb for 32bit systems.
Open Terminal cd ~/Downloads sudo dpkg -i linux*.deb
Reboot Check the new kernel is running with either System Monitor or "uname -r"
If you have any problems with the new kernel reboot and select "Previous Versions" on the Grub Menu (hold down Shift key if Grub doesn't show by default)
Remove auto updating old Kernel: In Synaptic remove: linux-generic, linux-headers-generic, linux-image-generic You can also remove any older kernels to free up some harddrive space.