sounds like you have it set for thresholds in the bios..so it goes faster
depending on tempature
look in the bios settings for hardware monitoring
also when it varies like that it may be a little dusty and need a cleaning
"Paul" <paul RemoveThis @opes.com> wrote in message
news:43e17b60$0$32668$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
> If it was constant it would be ok but it varies minutely all the time.
> Just dragging a window from one monitor to the other does it. Any ideas ?
>
> Thanks Paul
>
>> Stay informed about: fan noise driving me crazy