Humming sound straight power-on self test

PC power-on self test when sound Direct buzz, not into the system, such as the use of the site Vibrator?

1 it will not ? That the police quite novel, the memory of your re-inserted under the article to try it at all surprising that fans have a real problem that another hard drive, take a look at what the fans are in working order.1 short:the normal system startup.
2 short :Conventional error.Solution:reset BIOS.
1 long-1 short:RAM or motherboard error.
1 long 2 short:the display or show the wrong card.
1 long 3 short:keyboard controller Error.
1 long-short-9:Flash RAM or motherboard EPROM error, BIOS damage.
Constantly ring (long sound):memory did not play tight or damage.
Keep ring:power, display And the graphics are not well connected.
Repeated short-ring:power problems.
No voice no show:power problems.The hard for the ah.In accordance with what you said this, I think it is very likely The CPU fan issues.

Computer humming sound reasons are two:First, the CPU fan, and the other is within the power of the chassis fan, but the CPU fan when the problem will be the voice of the large number of .

I can not conclude that it is definitely CPU fan, the best check yourself or the person who requested the check.However, according to what you said, is probably the CPU fan does not work, resulting in CPU over-heated temperature, and then self-board computer can not.

Would like to help you

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