How to make a Ubuntu port for xo-1.5 without one I only have a xo-1 On Nov 26, 2015 12:00 PM, <devel-requ...@lists.laptop.org> wrote:
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Re: Keys dying in my XOs (James Cameron) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 25 Nov 2015 18:34:44 -0500 > From: Sebastian Silva <sebast...@fuentelibre.org> > To: OLPC Devel <devel@lists.laptop.org> > Subject: Keys dying in my XOs > Message-ID: <56564594.9010...@fuentelibre.org> > Content-Type: text/plain; charset=utf-8 > > Hi, > I have a couple of XO laptops, XO1.5 and XO4, the models with the > non-membrane keyboards, where several keys stopped working. > Is this common? Is there a recommended fix? > > Thanks > Regards, > Sebastian > > -- > I+D SomosAzucar.Org > "icarito" #somosazucar en Freenode IRC > "Nadie libera a nadie, nadie se libera solo. Los seres humanos se liberan > en comunión" - P. Freire > > > > ------------------------------ > > Message: 2 > Date: Thu, 26 Nov 2015 12:02:35 +1100 > From: James Cameron <qu...@laptop.org> > To: devel@lists.laptop.org > Subject: Re: Keys dying in my XOs > Message-ID: <20151126010235.ge26...@us.netrek.org> > Content-Type: text/plain; charset=us-ascii > > On Wed, Nov 25, 2015 at 06:34:44PM -0500, Sebastian Silva wrote: > > I have a couple of XO laptops, XO1.5 and XO4, the models with the > > non-membrane keyboards, where several keys stopped working. > > Is this common? Is there a recommended fix? > > I've not seen it happen myself. > > I've had no recent reports of it. > > We continue to make the keyboards, so I'm interested in any wide > area systemic report, so that I can feed it back into manufacturing. > > The array of key switches may be connected in a matrix. A key switch > that does not release can cause several keys to stop working. > > To check for this, use our keyboard self test. > > http://wiki.laptop.org/go/XO_Self_Test > http://wiki.laptop.org/go/XO_Self_Test/Keyboard > > -- > James Cameron > http://quozl.linux.org.au/ > > > ------------------------------ > > Message: 3 > Date: Wed, 25 Nov 2015 20:32:49 -0500 > From: Sebastian Silva <sebast...@fuentelibre.org> > To: James Cameron <qu...@laptop.org>, devel@lists.laptop.org > Subject: Re: Keys dying in my XOs > Message-ID: <56566141.7040...@fuentelibre.org> > Content-Type: text/plain; charset=utf-8 > > > On 25/11/15 20:02, James Cameron wrote: > > We continue to make the keyboards, so I'm interested in any wide > > area systemic report, so that I can feed it back into manufacturing. > > > > The array of key switches may be connected in a matrix. A key switch > > that does not release can cause several keys to stop working. > > On my XO1.5 that I got from the peruvian deployment (from the Ministry > of Education), I tested this, and have found there are two "columns" of > keys that don't respond: > > F1, 2, w, s, x, <> > and > F8, 8, i, k, ; > > It has latinamerican/spanish keyboard. > The right shift key sometimes appears stuck. It is not responding now. > However when within the OS, I'm sure there were other keys as I couldn't > type "l" or "g" keys. > > On the XO4 I couldn't figure out how to reach the keyboard self test. > "menu" command in ofw triggers an OS boot selector (linux/android) > instead of the test. > > If it helps I believe this may have to do with the fact that we just > moved to the rainforest and have experienced very high temperatures (up > to 40 C) for the past six months. > > I can inquire if more people have found this issue at the ministry if > you like. > > Regards, > Sebastian > > > To check for this, use our keyboard self test. > > > > http://wiki.laptop.org/go/XO_Self_Test > > http://wiki.laptop.org/go/XO_Self_Test/Keyboard > > > > -- > I+D SomosAzucar.Org > "icarito" #somosazucar en Freenode IRC > "Nadie libera a nadie, nadie se libera solo. Los seres humanos se liberan > en comunión" - P. Freire > > > > ------------------------------ > > Message: 4 > Date: Wed, 25 Nov 2015 20:40:50 -0500 > From: Sebastian Silva <sebast...@fuentelibre.org> > To: James Cameron <qu...@laptop.org>, devel@lists.laptop.org > Subject: Re: Keys dying in my XOs > Message-ID: <56566322.8070...@fuentelibre.org> > Content-Type: text/plain; charset="utf-8" > > On 25/11/15 20:32, Sebastian Silva wrote: > > On the XO4 I couldn't figure out how to reach the keyboard self test. > > "menu" command in ofw triggers an OS boot selector (linux/android) > > instead of the test. > > Ok, sorry, I figured it out now. This wording was confusing to me (or I > was too fast): > > pressing down the left hand side of the "Rocker > <http://wiki.laptop.org/go/Rocker> switch" to the left of the screen > > I was confused be cause I was pressing "down" instead of "left". > > Anyway, the result I get is: > All keys seem to work fine, except F1, which appeared stuck in the > beginning and now doesn't respond. > > -- > I+D SomosAzucar.Org > "icarito" #somosazucar en Freenode IRC > "Nadie libera a nadie, nadie se libera solo. Los seres humanos se liberan > en comunión" - P. Freire > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.laptop.org/pipermail/devel/attachments/20151125/46ad8fd2/attachment-0001.html > > > > ------------------------------ > > Message: 5 > Date: Thu, 26 Nov 2015 13:04:21 +1100 > From: James Cameron <qu...@laptop.org> > To: Sebastian Silva <sebast...@fuentelibre.org> > Cc: devel@lists.laptop.org > Subject: Re: Keys dying in my XOs > Message-ID: <20151126020421.gg26...@us.netrek.org> > Content-Type: text/plain; charset=us-ascii > > On Wed, Nov 25, 2015 at 08:32:49PM -0500, Sebastian Silva wrote: > > On 25/11/15 20:02, James Cameron wrote: > > > We continue to make the keyboards, so I'm interested in any wide > > > area systemic report, so that I can feed it back into > > > manufacturing. > > > > > > The array of key switches may be connected in a matrix. A key > > > switch that does not release can cause several keys to stop > > > working. > > > > On my XO1.5 that I got from the peruvian deployment (from the > > Ministry of Education), I tested this, and have found there are two > > "columns" of keys that don't respond: > > > > F1, 2, w, s, x, <> > > and > > F8, 8, i, k, ; > > > > It has latinamerican/spanish keyboard. The right shift key > > sometimes appears stuck. It is not responding now. > > Thanks for the reply. > > These keys not responding suggest either; > > - a broken column circuit in the printed circuit underneath the keys, > e.g. due to impact, corrosion, or latent defect, > > - a broken column circuit in the flexible circuit connector, e.g. due > to thermal cycles over a long life, or foreign substances, or > > - damaged keyboard controller chip, due to electrostatic discharge > carried from fingers. > > What you might do; > > - disassemble the bottom, > http://wiki.laptop.org/go/Disassembly_bottom > > - expose the flexible circuit connectors, > > - look for mold, fungi, sugar, coffee, or other signs of invasion, > > - unclip each cable, clean the connector surface with isopropyl > alcohol swab, allow to dry, and reclip, > > - test before full reassembly. > > Given the age of the laptop, there is a risk of breaking the retaining > lever on the connectors. > > > However when within the OS, I'm sure there were other keys as I > > couldn't type "l" or "g" keys. > > Hmm. Then it is also possible that key switches are not releasing. > > > > > On the XO4 I couldn't figure out how to reach the keyboard self test. > > "menu" command in ofw triggers an OS boot selector (linux/android) > > instead of the test. > > That's odd. It doesn't happen if I type "menu". Q7C05. > > Either type "test /keyboard" or use the left rocker key on boot to > enter the self test menu. > > > If it helps I believe this may have to do with the fact that we just > > moved to the rainforest and have experienced very high temperatures > > (up to 40 C) for the past six months. > > Perfect growing conditions. ;-) > > > I can inquire if more people have found this issue at the ministry > > if you like. > > I remember now a deployment report that counted the number of > keyboards replaced due to wear. It was a reasonable percentage, and > seemed to follow a statistical normal distribution over time. > > I think there's risk of distorting the statistics if we ask, so I'm > quite willing to hear of statistics but not go look for them. > > -- > James Cameron > http://quozl.netrek.org/ > > > ------------------------------ > > Message: 6 > Date: Thu, 26 Nov 2015 13:08:47 +1100 > From: James Cameron <qu...@laptop.org> > To: Sebastian Silva <sebast...@fuentelibre.org> > Cc: devel@lists.laptop.org > Subject: Re: Keys dying in my XOs > Message-ID: <20151126020847.gh26...@us.netrek.org> > Content-Type: text/plain; charset=iso-8859-1 > > On Wed, Nov 25, 2015 at 08:40:50PM -0500, Sebastian Silva wrote: > > On 25/11/15 20:32, Sebastian Silva wrote: > > > > On the XO4 I couldn't figure out how to reach the keyboard self test. > > "menu" command in ofw triggers an OS boot selector (linux/android) > > instead of the test. > > > > Ok, sorry, I figured it out now. This wording was confusing to me (or I > was too > > fast): > > > > pressing down the left hand side of the "[1]Rocker switch" to the left > of the > > screen > > > > I was confused be cause I was pressing "down" instead of "left". > > Thanks. > > > Anyway, the result I get is: > > All keys seem to work fine, except F1, which appeared stuck in the > beginning > > and now doesn't respond. > > In the test, hold Q down. Press E. If it does not respond, then the > key switch F1 is not releasing. Tested here. > > -- > James Cameron > http://quozl.netrek.org/ > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel > > > ------------------------------ > > End of Devel Digest, Vol 116, Issue 7 > ************************************* >
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