Satellite P850-30W - Fan does not run after coming back from sleep mode

I got a Toshiba Satellite P850-30W with bios 1.90.
Sometimes the fan does not run at all after coming back from sleep mode on windows 7.
This has happened twice (maybe more times without me knowing), and Ive had the computers for a month.
Normally the fan starts running when the CPU gets over 50 celsius, and stops under 50 celisus...
I tried running Prime95 when this fan-issue occured and the computer temps got dangerously high (close to 100 degree)! the fan did not start at all
...this error could potentinally damage the laptop...
to get the fan running again I have to restart windows
anyone else experienced this?
I guess the fix would be to never use sleep-mode...or toshiba needs to fix it with a bios update.

What kind of answer do you expect here in user community?
Exact info about the fault? I dont think that somebody would be able to provide exact answer but just speculations
In other Forum you can read about Satellite notebook; but is it exacts the same model?
No, it seems to be an L650 series. Its completely different series .
From my opinion its not software related problem.
BIOS issue?
Well, in case it would be a BIOS issue, the problem would appear always and not sometimes after being shut down 200 times.
It could be a hardware related issue. Memory? Maybe
In my personal opinion to get more details hardware diagnostic software should be used in order check the hardware for possible malfunction. Thats my personal opinion

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Satellite P850-30W - Fan does not run after coming back from sleep mode

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