[arch-general] Laptop cooling fan does not work

Peter Nabbefeld peter.nabbefeld at gmx.de
Fri Aug 26 16:13:39 UTC 2016

Am 26.08.2016 um 16:25 schrieb Peter Nabbefeld:
> Am 26.08.2016 um 15:16 schrieb Emily Shepherd via arch-general:
>> On Fri, Aug 26, 2016 at 01:30:36PM +0200, Peter Nabbefeld wrote:
>>>>> Adapter: ISA adapter
>>>>> Physical id 0:  +53.0°C  (high = +84.0°C, crit = +100.0°C)
>>>>> Core 0:         +53.0°C  (high = +84.0°C, crit = +100.0°C)
>>>>> Core 1:         +48.0°C  (high = +84.0°C, crit = +100.0°C)
>>>>> Core 2:         +51.0°C  (high = +84.0°C, crit = +100.0°C)
>>>>> Core 3:         +49.0°C  (high = +84.0°C, crit = +100.0°C)
>>>> Am 26.08.2016 um 12:30 schrieb Rodrigo Rivas via arch-general:
>>>> It doesn't seem that your system is missing the fan, at least the CPU
>>>> temperature looks just fine.
>>>> Can you try to load the CPU some more to see if it heats up too much.
>>>> What I mean is that maybe before the fan was at top speed when it
>>>> wasn't actually needed, and now it is working better...
>>> After installing Linux 4.7.2, the situation seems to be better, but
>>> not as good as before.
>>> Fan is running and speed is rising, but obviously not to its maximum.
>>> Before I got Linux 4.7, the fan was really loud, when I used some
>>> graphics - now the max speed seems to be limited.
>> As Rodrigo says, I wouldn't expect your fan to be running at full speed
>> for temperatures like that. With your new setup are you ever reaching
>> higher temperatures? If not, that seems like a good thing, surely? You
>> wouldn't want your computer to be regularly overheating through standard
>> use...
>> Emily
> This temperature seems to be "normal" currently. Given environment
> temperature is above 30 degrees, so I'd guess this not too high for a
> laptop (as there's not much space in the case).
> However, using some graphics, temperature arises even above 80 degrees,
> that's much too high, so I'd expect the fan to rise speed, but the
> amount is too few, cooling is not really successful.
> As I'm neither a hardware nor a linux expert, I'd need some support to
> find out what happens. First, I'd like to get some info about fan speed
> - "sensors -u" is not sufficient.
> Kind regards
> Peter

Thank You altogether for help!

As I've been told in some other discussion, it's usual that laptop CPUs 
get very hot - so I'll stop to further investigate, for the moment.

Kind regards

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