Why is the sound of my computer's fan so loud?
The computer's fan may be running at a high speed to cool the CPU. By lowering the CPU speed, you also lower the speed and noise level of the computer's fan. You can use the power schemes to lower the CPU speed.
To lower the CPU speed using the power schemes1:
1.Click Start on the Windows® taskbar, and click Control Panel.
2.Click Performance and Maintenance, and click Power Options. The Power Options Properties window appears.
3.Select Portable/Laptop in the Power schemes box.
4.Click Apply.
5.Click OK.
1 A vailable on selected models only.
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