[Sugar-devel] XO4 touch stopped working (SOLVED)

[James Cameron]

This serial number is SKU301, and yes, it was affected by a process
problem which has now been fixed.

(Therefore I don't need to investigate further.)

On Sat, Oct 26, 2013 at 04:36:34PM -0600, Juan Cubillo wrote:
> Serial number for the XO is SHC31100189
> 
> I'll keep using it for a few days to check if the repair lasts...
> 
> - Juan
> 
> 
> 
> On 10/25/2013 04:37 PM, James Cameron wrote:
> >We are aware of a manufacturing process problem that caused what you
> >observed, but it was fixed some time ago.  We know exactly when it was
> >fixed.  When you give us the serial number, I can check if the laptop
> >was made before the fix or after.
> >
> >The change you've made sounds reasonable, but it may not last.  Keep
> >monitoring the situation.
> >
> >p.s. use the devel at lists.laptop.org mailing list for posts related to
> >XO-4 and unrelated to Sugar.  I've intentionally retained all of
> >thread below.
> >
> >On Fri, Oct 25, 2013 at 03:19:52PM -0600, Juan Cubillo wrote:
> >>Tried the test /touchscreen and this message appeared:
> >>
> >>missing IR PCB
> >>failed to boot
> >>
> >>Tried the command again and a whole lot of code appeared (can't find my serial
> >>dongle so I can't copy it here)
> >>
> >>Tried the test for a third time and the message now was:
> >>
> >>missing IR PCB
> >>No touchscreen present
> >>
> >>I opened the screen and found that the conector for the ZIF cable was damaged
> >>and required some pressure to make proper contact. I just inserted some folded
> >>tape to keep it pressured and it's now working.
> >>
> >>No damage or mishandling was given to the laptop on my part so if there are any
> >>other reports of touch not working OLPC should stay aware in case the conector
> >>might be damaged from factory.
> >>
> >>Anyway... it's now working just fine :)
> >>
> >>Thanks for the info!
> >>
> >>Juan Adrián Cubillo
> >>Director de Tecnología | Fundación Quirós Tanzi
> >>Web: http://fundacionqt.org FB:Fundación
> >>Tel: (506) 2293-2460 ext211 | Cel: (506) 8832-1824
> >>
> >>On 10/25/2013 01:39 PM, Gonzalo Odiard wrote:
> >>
> >>     You can check the touchscreen from the bios:
> >>     * Start the xo
> >>     * While the startup sound is played, press ESC key
> >>     You will see a "ok" prompt.
> >>     * Type:
> >>     test /touchscreen
> >>     and press enter.
> >>     The screen will turn black and you can test it with until 4 fingers.
> >>
> >>     Gonzalo
> >>
> >>
> >>     On Fri, Oct 25, 2013 at 4:32 PM, Juan Cubillo <jcubillo at fundacionqt.org>
> >>     wrote:
> >>
> >>         Hello,
> >>
> >>         I recently received an XO4 touch to test. As far as I know, it came
> >>         with the default 13.2 Sugar image.
> >>
> >>         Last night I updated the system with yum update "just because". The
> >>         touch option stopped working but I just assumed it was due to the
> >>         update which might have broken some package or library.
> >>
> >>         This morning, I flashed the XO with OLPC's stable sugar build to
> >>         restore the XO and the touch option is still not working.
> >>
> >>         Is there any chance the update I made last night might have updated
> >>         something that broke the touch option? Some firmware maybe?
> >>
> >>         Also, is there any way to test if the XO is able to correctly detect
> >>         the touch hardware and test it?
> >>
> >>         I tried to search the mailing list and wiki for this but found no info
> >>         available.
> >>
> >>          - Juan
> >>         _______________________________________________
> >>         Sugar-devel mailing list
> >>         Sugar-devel at lists.sugarlabs.org
> >>         http://lists.sugarlabs.org/listinfo/sugar-devel
> >>
> >>
> >>
> >>
> >>
> >>_______________________________________________
> >>Sugar-devel mailing list
> >>Sugar-devel at lists.sugarlabs.org
> >>http://lists.sugarlabs.org/listinfo/sugar-devel
> >
> 

-- 
James Cameron
http://quozl.linux.org.au/