The easiest way to install a newer kernel in Debian, is to install it from the backports. Backports are packages taken from the next Debian release (called “testing”), adjusted and recompiled for usage on the stable release.
In order to install a kernel from the backports, we need to add the backports-repository for our Debian version to the apt-sources and update the list of available packages:
sudo echo “deb http://ftp.debian.org/debian/ wheezy-backports main non-free contrib” >> /etc/apt/sources.listsudo apt-get update
aptitude search linux-image -t wheezy-backports
sudo apt-get -t wheezy-backports upgrade
sudo apt-get -t wheezy-backports install linux-image-*****