P840T satellite fan noise
Hi Forumites,
When I turn on my P840T Satellite, its nice and quiet for about 30 seconds, then the fan just stronger and stronger... you can hear to slowly and surely after mount over the next 30 seconds.
If I was doing a few big supercomputers or 3d games, I expect, but the CPU cores are running at 2-3%, with a speed of about 800 Mhz (according to the Task Manager) and processors are about 35-38 degrees.
Toshiba mentioned Euro forums upgrade BIOS to v6.1 to solve the problem. My BIOS is already Version 6.5.
Power management - bla... I think that I'm running "balance", but why the fan would go so fast on Eco, modes of performance balanced or when the processor is so cold and do so little.
Thanks in advance
Mark
Usually, the fan is controlled by a table fan which is stored in the BIOS.
The fan table contains information on the levels of temperature, fan activity and cooling performance.
In Windows power management, you can change certain values standard, but in general activity and the cooling performance is controlled by the BIOS.
I put t know why your fans run faster even if the CPU isn't stressed. But be aware that the graphics chip as well as the HARD drive produce heat dissipation which cause a higher temperature.
However, one of my friends had a problem similar but with the laptop from another manufacturer.
Not very well why it happened, but it could solve this problem. Remove the AC adapter and the battery. Press and hold the power button long 30-40 sec. Connect the devices again and switch on the device.
It seems that, from time to time, this simple workaround might help to resolve various weird problems
Tags: Toshiba
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