i am using dell inspiron n5110 , in this touch pad and keyboard is not working in Ubuntu 13.04, but it is perfectly working in the window
To get the touch pad working try the following.
Try the following
sudo apt-get install xserver-xorg-input-synaptics
sudo chmod +wrx '/var/lib/dpkg/lock'
sudo apt-get install synaptic
For the keyboard try the following to check if the keyboard is defined
For more details refer to the following link