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[abbey_normal]

I posted this in my first impressions post but figured I'd add it here.

The twitchy mouse some are seeing may be a mis-calibrated mouse and others have posted a link on dealing with that.  BTW - I think the mouse pads on the newer XO's are supposed to be self-calibrating.... I dunno.

Anyhow, what I've experienced is due to crazy acceleration settings on the mouse.

You can slow the accel. down by using 'xset' in a terminal.  Read the xset man page for a hint as to the usage.

Basically 'xset q' will dump all the current xset settings including the mouse accel.

'xset m' with turn off accel.  which gives you a pointer that is _way_ to slow.

I run 'xset m 22/10' on my big laptop and that seems to be a useful setting on the XO too.

I don't remember how to make that setting persistent, but I'll post back here when I figure it out.

Also, there may be a way to do this through a sugar conf. or some such, but I havn't found it... yet.

AN

[Gabey8]

My cursor started acting up the second time I turned the XO on. (Glad it wasn't the first time, or I'd have thought it was a hardware issue.) Every time I touched the touchpad, the cursor jumped to the bottom right corner of the screen.

The "four-finger salute" described on I-forget-which-page didn't recalibrate the touchpad for me. Turning the machine off and back on, however, did the trick. Now it's fine, thank goodness.

[Alex Guichet]

Here is the info on the four finger salute, if you need it...
http://wiki.laptop.org/go/Four_finger_salute

[RobotPrimate]

Could anyone confirm, the next time they need to calibrate, if starting from Fn and ending in the right arrow key -> fixes it? Instead of starting with Esc (X) and ending in Fn ? Because sometimes, doing it like they say in the wiki doesn't do anything, but my method works...

[Gabey8]

Update: I've also had a couple times where the mouse pointer decided to wander around the screen. Those times, the four-finger salute resolved the issue right away.

Had it not succeeded as written (Fn key last), I would have tried the alternate key sequence from RobotPrimate to see if that fixed it. If not, I would have restarted the XO.

[BlankVerse]

I don't remember where I saw the info (the wiki?), but somewhere it says if you use the touchpad before the self-calibration is done, that will cause the touchpad to be twitchy.

I wish that there was some audio or visual feedback to be able to tell when the XO has fully booted up.

[david_kw]

I don't remember how to make that setting persistent, but I'll post back here when I figure it out.

I created a file called .xsession in /home/olpc and added 'xset m 22/10' to it.  It seems to make the change presistent.

Thanks for pointing out the call.  It is soooo much better with my new Microsoft wireless mouse.

david_kw

[DoverSharp]

I got a Targus mini-mouse for my 9 year-old... size is perfect.

But the response was very jumpy... various forums lead me to
"xset m 2 1"... you can adjust the numbers to suit you.

Took me longer to make the xset command happen automatically on
startup... there was a file .xsession-example in my /home/olpc directly,
which I copied to .xsession and added the line "xset m 2 1" with nano
as th editor... then saved. ls -a needed to show the .xsession file...

Now the mouse is smooth on startup!  Thanks. BTW, putting the xset
line in /etc/rc.local did not work... the X server must not be up when
rc.local is run.

Thanks!

[Ben]

Could anyone confirm, the next time they need to calibrate, if starting from Fn and ending in the right arrow key -> fixes it? Instead of starting with Esc (X) and ending in Fn ? Because sometimes, doing it like they say in the wiki doesn't do anything, but my method works...

Following the directions and ending with Fn works for me.