Touchpad não funciona corretamente

Question

O touch pad do meu laptop não está funcionando bem no ubuntu, eu tenho o windows 7 no qual ele funciona bem, mas no ubuntu, quando eu movo meu dedo no touch pad, o cursor se move ligeiramente ... preciso de ajuda !!!

Laptop Model: Haier 7G-5H
OS: Windows 7 And Ubuntu

Laptop Description:
Complete Specifications of Haier 7G - 5H :

[Basic Parameters ]
Category Notebook
Time to market in December 2013
Product Type Home
The thin portable product positioning , Ultrabook notebook
Operating system pre-installed Windows 8

[ Processor ]
CPU series Intel Core i3 4 -generation family
CPU Type Intel Core i3 4005 U
CPU clocked at 1700.000(1.7GHz)
Core frequency 2000.000
3MB cache
Motherboard chipset Intel QM87

[Storage Device ]
Memory capacity 4GB (4GB RAM)
Memory type DDR3 1333MHz
Hard disk capacity 500GB
Hard to describe 5400
No built-in CD-ROM drive type

[ Display ]
Screen size 14.000
Screen resolution 1366x768

[ Graphics ]
Two graphics card type ( performance -level graphics card + integrated graphics )
Graphics chip NVIDIA GeForce GT 740M + Intel GMA HD 4400
Memory Type DDR3
Memory capacity 2GB
128bit memory interface

[ Audio ]
Built-in audio chip audio system
Speaker Built-in speaker

[ Camera / network communications ]
Camera 720p HD webcam
Wireless LAN 802.11b/g/n wireless protocol

[ Interface ]
3 × USB2.0 data interface
Video Interface VGA, HDMI
Reader -in-1 card reader
Audio interface headphone output interface

[ Input Device ]
Touchpad pointing device
Chocolate Keyboard Keyboard description

[ Power Description ]
Battery Type 4-cell lithium battery 

⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜↳ Virtual core XTEST pointer               id=4    [slave  pointer  (2)]
⎜↳ AlpsPS/2 ALPS GlidePoint                 id=12   [slave  pointer  (2)]
⎜↳ ALPS PS/2 Device                         id=13   [slave  pointer  (2)]
⎣ Virtual core keyboard                     id=3    [master keyboard (2)]
 ↳ Virtual core XTEST keyboard              id=5    [slave  keyboard (3)]
 ↳ Power Button                             id=6    [slave  keyboard (3)]
 ↳ Video Bus                                id=7    [slave  keyboard (3)]
 ↳ Power Button                             id=8    [slave  keyboard (3)]
 ↳ Sleep Button                             id=9    [slave  keyboard (3)]
 ↳ USB HD Webcam                            id=10   [slave  keyboard (3)]
 ↳ AT Translated Set 2 keyboard             id=11   [slave  keyboard (3)]

    

Answer 1

Você pode atualizar o kernel no Ubuntu 14.04 executando o terminal:

sudo apt-get install linux-generic-lts-wily

Teste o touchpad após a reinicialização.