G560 Very annoying high pitch noise (still / again)

[IPnaSh Guru]

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T_N_B wrote:

I've not tried other operating systems - it would not make any sense since the software I need to use is windows based and Win7 64bit is pre-installed on the lappy.

The BIOS gives no option to change power management and there are no options for changing C-states, ACPI, SpeedStep or alike - I would have tried that a long time ago if there where ;-)

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Just test what happens if you use an Ubuntu Live CD. Take your time and report us later .

[oron2000]

Hi,

I have the same problem with my new G560. It is sounds like mechanical problem. The wings of the fan can not rotate freely.

It first happened to me after first time using the RJ45 plug, after several days of using wireless connection . Since it is located near the fan I can assume it might be the reason for the problem. Maybe the use caused the fan to heat and deformed.

Please inform me if  you will have any news regarding this problem.

Thanks

Oron

[T_N_B]

My problem has absolutely nothing to do with the fan. In my case it is defenately a "singing" coil or capacitor that makes the high pitch noise (high pitched buzz). It is related to the switching of the processors C-states and by the parking of cores that are not in use (done to save power and keep the system cool).

Since I have got my motherboard replaced I think that the problem is normal for the hardware combination used in the G560. Some software can cause the problem to intensify  - Logitech SetPoint w. USB mouse connected and Real Temp are sure candidates.

[oron2000]

So the G560 has several unexpected noises. Mine is more like frrrrrrrrrrrrrrr....

Thanks

[VH]

Hi!

I have the same problem with the HIGH PICHED NOISE...

Customer service did not help me at all.. Sent it back like it was and said that the sound is normal and belongs to the power management.

The fan is running an aweful lot, so the sound disappears a bit... But the fan is annoying...

Do you have any new solutions?

[Tomma]

I've got the same problem. High pitched noise when the fan is slowing down (or generally changing speed). Very annoying.