I have installed 12.04 alongside Windows 7 on my Dell XPS 15z. The model came with a cypress trackpad for Windows 7. After installing Ubuntu, I realized the trackpad was not working at all. I tried installing Synaptics Touchpad in Windows, still it didn't work in Ubuntu. I searched on the net for similar problems but neither of them worked for me.
Here's what I did:
Edit the
rc.localfile to add the following lines in the file:sudo modprobe -r psmouse
sudo modprobe psmouse proto-imps[Also tried proto-bare, proto-exps]
Tried to uncheck "Disable Touchpad while Typing" under Mouse Settings, but I could see no touchpad tab under that.
The command xinput list showed no touchpad. So maybe the problem is that touchpad is not detected at all?
Please guide me through this problem. I am a first time Ubuntu user and don't have much knowledge about it.
Are there any specific Ubuntu drivers for making Touchpad work?