MacBook Pro grinding/buzzing noise

[Patricia-USA]

Hi all,

I buy a macbook pro (ma610ch / a) in last march. But soon I felt used to switch the time when the fan noise is very large, (not the main fan, the fan may be the graphics card), have linked to something like a voice of the left speaker in the above position, I ask whether it is normal or it may have some issue. Please suggest. Thanks in advance.

[Ernest]

Under normal circumstances, Macbook Pro's fan speed in 2000rpm, generally because of CPU temperature hovered between 2000-3000, only to run large-scale 3DGameThe time had the opportunity to more than 4,000. Most arduous daily work will not change very powerful fan, and fan speed between 2000-3000 almost hear the sound. Check and reply.

[Venator]

Some Macbook Pro for various reasons, fans heard the faint noise, although small, but absolutely a matter of "noise" type. In the case determined that the fan needs to turn pages due to noise or distortion caused by high frequency electrical motor noise. If the page deformation turn, had replaced the fan; if the high-frequency electrical motor noise, but also a small noise may be due to static electricity, especially in winter when cold and dry; obvious and intolerable high frequency noise may be because the motor bearings caused by the deformation or lack of lubricant, but also need to replace the fan - Macbook Pro for about two fans have the right (power switch side) fan-based fan, usually problem is that it generally will not trouble the left side of the fan, if you out of the winner. All the best.

[Quentin]

Procedures carried out by the fan speed, if the noise disappears in the high-speed case, only the voice of the fan uniform rotation, which could rule out the fan motor bearings or turn the page fault, which appears is static or other types of noise (at times on the right fan under the burner can also cause temporary high-frequency noise, sounds that are fans of the problem), can be resolved through the system means; If more speed in 4000 is still apparent in the noise, congratulations, and for fans it, whether motor or turn pages of questions, you need the fan replaced.

[Paxton]

ypu need to contact Apple Authorized Service Provider Find United States Or Global of Authorized Service Provider. Call Apple technical support Customers have enjoyed the product within 90 days of telephone technical support - limited to once every iPod support, each with unlimited support Mac. In the "Apple one-year limited warranty" to buy AppleCare Protection Plan, You can extend your warranty. Please call 800-810-2323 for technical support. All the best.

[Simond]

Apple said that they attached great importance to this issue and are actively looking for solutions, and this problem as the company's "top priority." Apple to resolve the issue, users have to continue to endure the hard drive noise. However, some users have reported that the noise frequency started to decrease, and there is speculation that Apple may be found in this issue of the firmware upgraded. Check and reply.