Ubuntu14.04 do not allow touchpad and restoration, ubuntu14.04

Ubuntu14.04 do not allow touchpad and restoration, ubuntu14.04

1. Use xinput list to view the id related to the touchpad. The following is the output of the local machine. I have no idea why it is Mouse !!!

Jello @ jello :~ $ Xinput list
Required Virtual core pointer id = 2 [master pointer (3)]
Required bytes Virtual core XTEST pointer id = 4 [slave pointer (2)]
Zookeeper HID compliant-mouse id = 11 [slave pointer (2)]
Repeated slave 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)]
Invalid Power Button id = 6 [slave keyboard (3)]
Custom Video Bus id = 7 [slave keyboard (3)]
Required Video Bus id = 8 [slave keyboard (3)]
Invalid Power Button id = 9 [slave keyboard (3)]
Export Sleep Button id = 10 [slave keyboard (3)]
Protected Integrated Webcam id = 12 [slave keyboard (3)]
Found AT Translated Set 2 keyboard id = 13 [slave keyboard (3)]
Dell WMI hotkeys id = 16 [slave keyboard (3)]
2. the id of the touchpad is 14 from the first step.

2.1: touchpad prohibited

Xinput disable 14

2.2 restore touchpad

Xinput enable 14

 

!!! Correction of deficiencies !!!