There is *firmware-b43-lpphy-installer* as well if *firmware-b43-installer*as 
well if 
*sta* doesnot work. 

As For Touchpad: 

If it is synaptics touchpad check your default configuration 

synclient -l | awk '/=/{printf "Option \"%s\" \"%s\"\n",$1,$3}'

and tweak temporarily
with synclient command

such as for disabling mouse while typing

synclient PalmDetect=1

OR

synclient SHMConfig=1
and run
syndaemon -t -k -i 2 -d &

For vertical/horizontal scrolling 

synclient VertTwoFingerScroll=1
synclient HorizTwoFingerScroll=1

Pinch zoom is not yet available for linux AFAIK

In order to make these things permanent:

Just add your changed configuration into 50-synaptics.conf at 
/usr/share/X11/xorg.conf.d/

Sample: 

Options "VertTwoFingerScroll" "on"


Further information 
here<https://wiki.archlinux.org/index.php/Touchpad_Synaptics>. 
If you are using ubuntu, you may find some solutions 
here<http://askubuntu.com>as well.

On Tuesday, April 3, 2012 9:01:25 AM UTC+5:45, Ashish Pokharel wrote:
>
> Thank you, that didnt help, i will try instaling ubuntu in a new partition 
> and do this all over again coz i think i have messed up with it trying lots 
> of different codes.
> Another problem that is bugging me is Trackpad problem in Samsung Qx411 
> laptop (64-bit, i core 5). its also a dual boot with Win7, however i am 
> removing windows very soon after i get over with this particular problem.
>
> The track pad works fine like that in Mac in Win7  but it only works as a 
> pointing device in ubuntu. Problems are
>
> 1> i cannot disable the mouse while typing
> 2> two finger vertical/horizontal scrolling is not working (there is no 
> option for that in settings)
> 3> Pinch to zoom is not working
> 4>cursor jumps here and there and motion is never maintained in 
> easy-to-handle positon
>
> please help. 
>

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