Re: ubuntu touchpad control

On 07/20/2010 05:11 PM, Pete Vander Giessen wrote:
On 07/20/2010 03:39 PM, Ronald B Cadby wrote:
I have a dual boot Win-7, lucid 10.4 on a new Asus laptop.

...

My biggest aggravation at the moment is when I inadvertently touch or
brush by the touchpad with the heel of my hand. All sorts of bad things
happen like the cursor jumping away or (sometimes unknowingly) pasting
clipboard content into whatever file I have open.

Hi Ron,

Try going into System -> Preferences -> Mouse. On the touchpad tab,
uncheck "Enable mouse clicks with touchpad".

If that doesn't work, or if you've already tried it, you might be able
to disable the touchpad in your computer's BIOS settings.

I had a similar problem with my HP G60-530US; the button to turn off the
touchpad simply didn't work. Somewhere along the line an update
corrected that (no clue which one), and now it works after I log in. Not
sure if it makes any difference, but my
System|Preferences|Mouse|Touchpad - all are unclicked with the exception
of 'Edge scrolling'. If I enable the touchpad via the on/off button I
can still use the touchpad (this is a good thing IMO as I don't always
use the mouse).

However, to disable permanently (courtesy of a recent thread over on
alt.os.linux.ubuntu):

Just create a file

/etc/modprobe.d/blacklist-touchpad.conf

with the single line

blacklist psmouse

$ gksu gedit /etc/modprobe.d/blacklist-touchpad.conf
add: blacklist psmouse
save. Reboot.

If you need to turn it back on comment out 'blacklist psmouse' in
/etc/modprobe.d/blacklist-touchpad.conf. Leave the file in case you need
it later:

$ gksu gedit /etc/modprobe.d/blacklist-touchpad.conf
change:
blacklist psmouse
to
# blacklist psmouse
save. Reboot.
Or if you need to do so temporarily while still logged in:

$ sudo modprobe -i psmouse
and to turn it back off while still logged in:
$ sudo modprobe -r psmouse

Those are a little drastic, but will work (I've tested both). Recommend
that the OP try to figure out why his keys for turning the touchpad
on/off are not working to begin with.


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