touch screen, charging, pointer craziness

Colin Law clanlaw at gmail.com
Fri Oct 23 08:32:09 UTC 2015


On 23 October 2015 at 09:28, Gary J. Kirkpatrick <garyartista at gmail.com> wrote:
>
>
> On Fri, Oct 23, 2015 at 9:33 AM, Colin Law <clanlaw at gmail.com> wrote:
>>
>> On 23 October 2015 at 08:22, Gary J. Kirkpatrick <garyartista at gmail.com>
>> wrote:
>> > I have a number of odd things going on.  Reverting to an earlier kernel
>> > does
>> > not seem to make any difference.
>> >
>> > 1) sometimes the mouse pointer drags itself to launcher, which I have
>> > set to
>> > autohide, and gets rather stucke there while it, well, vibrates.  Sits
>> > there
>> > and jiggles.  Most of the time I can drag it back and it resumes
>> > working.
>> >
>> > 2) I have a touch screen laptop.  After 14 months of working perfectly,
>> > it
>> > will work for a few minutes after a reboot and then refuse to work any
>> > longer.  Occasionally resetting lightdm gets it going again, but usually
>> > for
>> > just a few minutes.
>> >
>> > 3) Sometimes after a reboot or removing the plug, the battery meter
>> > shows
>> > that the battery is discharging.  If I remove then reinsert the plug
>> > several
>> > times it will show it is charging again.  The power supply shows the
>> > 19.2
>> > volts it should.
>> >
>> > I doubt these items are related other than they all started happening at
>> > the
>> > same time.
>> >
>> > Sometimes it seems to help if I remove all power sources and hold the
>> > start
>> > button down.  Lately that hasn't helped.
>>
>> That sounds very much like hardware.  Does the fan seem to be running
>> more than it used to?  If so open the back up and give it a good clean
>> out with a vacuum cleaner.
>> If that does not seem to help (or even if it does) try booting into
>> the ram test and leave it going for a few hours to see if it shows any
>> problems.
>>
>> As to the mouse, if it is battery driven then try a new battery,
>> though hopefully you have tried that already.  Otherwise try a
>> different mouse.
>>
>> Do you see anything in syslog when it starts going wrong?
>
> Hardware it certainly could be-  so central could it be mother board?
> Mouse- the issue applies to pointer whether mouse or touch pad.  I will
> check syslog next time.  Fan is not running much.  I'll install temp sensor
> and check again.

Do you mean the pointer problem appears even if the mouse is not plugged in?

Don't forget the ram test.

Colin



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