Fedora causes laptop to overheat

Roger arelem at bigpond.com
Mon Dec 12 01:56:33 UTC 2011


For some reason Fedora and Ubuntu use a lot more power than windows xp 
and win7.
Both  my daughters laptops suffer enormous battery drain and run quite 
hot running linux systems in comparison to windows.
Puzzling!
Roger

> Dear all,
>
> I have been running Fedora since Werewolf. Recently, I had to start 
> dualbooting Windows XP because of collegework, and one of the things I 
> noticed rather fast was how much cooler my system runs under XP. Now I 
> want to know why.
>
> On F16, my system will sometimes have the fans running at medium-high 
> speed even while idling and just Epiphany running (for Gmail and FB 
> chat...this does not to my knowledge generate anything else but 
> sporadic cpu bursts and occasional I/O). The HDD becomes unreasonably 
> hot (despite iotop not reporting significant disc activity apart from 
> syslog and some Gnome-specific daemons), and the CPU (Core2Duo) and 
> VGA (Intel HD4500) also seem to be running needlessly hot.
>
> Does anyone know of a good way to debug exactly what is causing my 
> system to idle in this way? Obviously something somewhere is causing 
> my hardware to idle in a  very wrong way, and it would be helpful to 
> nail down just what the cause is.
>
> Thanks in advance!
>
> Chris
>
>

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