High CPU usage, load average and system temperature

[Tod Merley]

For me three years is about the time I consider doing two major service
things to laptops.

1. Replace the CMOS battery.  One thing you might consider doing right now
is to reset all the CMOS variables to their default values.  If a battery
is low the values can change on their own and create strange problems that
go away when the default values are reloaded – until – the machine is
turned off again (and perhaps left for a time) so the battery voltage goes
low and the bits slip again.  Anymore I consider replacing the battery
every other year.

2. Clean and/or replace the cpu/gpu fan and heat-sink assembly.  The
accumulation of gunk in these assemblies (often combined in a laptop) is
dependent upon how much use the machine gets and where it is used.  Blowing
air through the assemblies may or may not be good enough. Local changes in
air temperature, humidity, and altitude can make quite a difference in how
fast heat is removed from the active components.  As well sometimes the
heat sink compounds degrade and/or mechanical issues change the heat-sink
to cpu/gpu fit.

fwiw


On Mon, Aug 25, 2014 at 10:37 PM, Sudhir Khanger <sudhir at sudhirkhanger.com>
wrote:

> On Mon, Aug 25, 2014 at 11:35 PM, jd1008 <jd1008 at gmail.com> wrote:
> > perhaps you will have to accept the consequences :) :)
>
> I think it's more than fan or GPU load issue. There are two reasons.
> Firstly, GPUs are not suddenly start eating CPU one day. System has
> been running fine for 3 years and months on exactly same setup.
> Secondly, if you look into this screenshot[1] I have just booted ON
> the laptop and it was already running at 84C. The only thing that was
> started was Chrome newtab. You see load is way to high but none of the
> processes are taking up too much resources.
>
> [1] http://i.imgur.com/0cBa9eg.png
>
> --
> Regards,
> Sudhir Khanger.
> sudhirkhanger.com
> https://github.com/donniezazen
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