Ubuntu 13.04 is automatically disabled when it is started

Enter xinput list in the terminal to view the list as follows:

Dell @ dell-Inspiron-7420 :~ $ Xinput list
Required virtual core pointer id = 2 [Master pointer (3)]
Zookeeper virtual core xtest pointer
Id = 4 [slave pointer (2)]
⎜ ↳ A4tech USB mouse
Id = 11 [slave pointer (2)]
⎜ ↳ PS/2 generic mouse
Id = 14 [slave pointer (2)]
Required virtual core keyboard id = 3 [Master keyboard (2)]
Export virtual core xtest keyboard id = 5 [slave keyboard (3)]
↳ Power button
Id = 6 [slave keyboard (3)]
Custom video bus id = 7 [slave keyboard (3)]
Required video bus id = 8 [slave keyboard (3)]
↳ Power button
Id = 9 [slave keyboard (3)]
↳ Sleep button
Id = 10 [slave keyboard (3)]
Export laptop_integrated_webcam_hd id = 12 [slave keyboard (3)]
Found at translated set 2 Keyboard
Id = 13 [slave keyboard (3)]
Dell WMI hotkeys
Id = 15 [slave keyboard (3)]

In ~ Add an xinput. desktop file under/. config/autostart/and add the following content:

[Desktop entry]
Type = Application
Exec = xinput set-prop 'ps/2 generic mouse ''device enabled' 0
Hidden = false
Nodisplay = false
X-gnome-autostart-Enabled = true
Name [zh_cn] = touchpad enable
Name = touchpad enable
Comment [zh_cn] = disabled touchpad
Comment = disabled touchpad

This method is equivalent to opening the application and clicking Add to add the following content: