touch screen, charging, pointer craziness

Petter Adsen petter at synth.no
Sat Oct 24 07:55:10 UTC 2015


On Sat, 24 Oct 2015 09:47:33 +0200
"Gary J. Kirkpatrick" <garyartista at gmail.com> wrote:

> On Sat, Oct 24, 2015 at 9:26 AM, Petter Adsen <petter at synth.no> wrote:
> 
> > On Fri, 23 Oct 2015 10:36:41 +0200
> > "Gary J. Kirkpatrick" <garyartista at gmail.com> wrote:
> >  
> > > On Fri, Oct 23, 2015 at 10:28 AM, 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?
> > > >>
> > > >> Colin  
> >  
> > > The pointer issue occurs if am using a mouse or just the touchpad.  
> >
> > You still haven't answered if there is a mouse plugged in when this
> > happens while you are using the touchpad. If there is, unplug it and
> > see if the problem disappears.
> >
> > (From later down the thread:)  
> > > I failed to mention that there does not appear to be a swap partition.  I
> > > did a LVM install.  I was not worried about it since at first the install
> > > worked just fine without a  swap.  
> >
> > Can you post the output of 'free'? If you need swap you can always
> > create a swap file.
> >  
> > > This laptop only provides a 2 minute memory test.  Grub provides no  
> > memtest  
> > > option.  
> >
> > Install 'memtest86+'. That should give you a entry in the Grub menu. You
> > should let it run for several hours, preferably overnight or longer.
> 
> Problem happens either with mouse or just with touchpad.  It is not a mouse
> issue.  It is a bluetooth mouse.  Turning it off or on makes no
> difference.  Right now it is on and there is no problem.
> 
> How do I open 'free'?  I see an executable file called free.

1. Open a terminal
2. Type 'free' (without the apostrophes) and press Enter

Petter

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."



More information about the ubuntu-users mailing list