Fan runs constantly

Hi all

I have a Lenovo idealpad Z570 Where the fan runs consantly .

I have put new thermal paste , updated the bios but it still run all the time
any idea would be great

Thanks Davy
LVL 6
davy999Asked:
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helpfinderIT ConsultantCommented:
did you updatet your BIOS like you downloaded new firmware and just flashed it or did you enter BIOS and check and change settings regarding fan control?
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Michael-BestCommented:
Check that PC cooling vents are free from debris and that room temp. is not to hot.

Install and run SpeedFan 4.50

Download link:
http://filehippo.com/download_speedfan
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nobusCommented:
is the problem recent?   then try a system restore  (an update may be the cause)
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rindiCommented:
Make sure all the PC's drivers and utilities are installed for your OS. Also make sure you don't run more software at the same time than necessary, and that it is malware free. All that will load the CPU, and a loaded CPU gets hot so the fans need to run faster.
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davy999Author Commented:
hi all

Cleaned the vents, new paste, done a virus scan, Downloaded the bios from there website and installed as instructed.


noticed when pc goes to hibernate the fan stops
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nobusCommented:
that's normal
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Michael-BestCommented:
If your CPU usage is high then the fan will run constantly to cool it.
The fan will of course stop when in hibernation mode.
You need too find out what process is causing high CPU use.
Use process monitor to problem solve high CPU use.

Download link from download.cnet.com:
http://download.cnet.com/Process-Monitor/3000-2094_4-10603966.html
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nobusCommented:
you can also use msconfig -  by disabling all the startup programs in startup tab
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