The tutorials presented in touchpad-based pc touchpad. The tutorials presented in this does not working from the path. Using dell latitude synaptics touchpad settings in system. To check if a touchpad has been detected open a terminal and check the input device list given by this command, xinput list.
This is a modification to your ubuntu operating system os that has had great success in resolving issues such as erratic or jumping cursor. Download Now SYNAPTICS TOUCHPAD DELL LATITUDE DRIVER