I can finally control the fan speed on my x62 ( viewtopic.php?f=80&t=125041 ). However, when the fan is spinning slowly (around level 20 when I control the speed using my program) they emit a very high pitched noise, I think due to some vibration.
I can solve the problem by never running the fans at that speed level, but that's quite unsatisfactory since the next fan speed is relatively loud.
Is the high pitch noise due to fan vibration a well-known problem, and if yes can one fix it by cleaning / lubing / replacing / ... the fan?
X62s 3rd batch, [s]T61[/s] T70 14" 4:3 1st batch
i've ordered the x200 sunon maglev fan, and will try to replace it.
for future reference, this is the fan and heatsink i had in my 4th batch x62:
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