Keys are not recognzed in ubuntu 12.04 version for lenovo thinkpad

[K Thirumaleshwar]

I installed the Ubuntu 12.04 LTS version in my laptop.
Laptop details :
          Lenovo Thinkpad E430
processor : Intel® Core™ i3-2370M CPU @ 2.40GHz × 4
OS : 32 bit

Problem:
In laptop keyboard, the keys are not getting recognised properly.

for key " it is giving @ and vice versa.
The key | is not gettig recognised.
And for some keys OS printing some chars.

keyboard software installed is "Onboard - Flexible onscreen keyboard for GNOME".

could you please provide fix for this issue and provide the driver patch.

Please let me know if you need further information.

Regards,
Thiru

[K Thirumaleshwar (kteshwar)]

More Info of my system:

kteshwar@msi-ThinkPad-Edge-E430:~$ uname -a
Linux msi-ThinkPad-Edge-E430 3.2.0-26-generic-pae #41-Ubuntu SMP Thu Jun 14 16:45:14 UTC 2012 i686 i686 i386 GNU/Linux
kteshwar@msi-ThinkPad-Edge-E430:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04 LTS
Release: 12.04
Codename: precise
kteshwar@msi-ThinkPad-Edge-E430:~$