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Chapter 9. Troubleshooting Memory, Proce... > Troubleshooting Cooling Problems

Troubleshooting Cooling Problems

If your hardware monitor warns you of excessively high processor or motherboard temperatures but the fan monitor doesn't indicate failures, check the following:

  • Make sure the air intakes and fans on the front, sides, and rear of the computer are free of dust and grime. Use a computer vacuum cleaner or an antistatic spray cleaner such as Endust for Electronics to clean them.

    Spray the Cloth, Not the Component!

    If you use a spray cleaner to remove dust and gunk, be sure to spray your cleaning cloth and then wipe the component with the cloth. Spraying computer equipment directly, even if the equipment is turned off, can ruin it if the components are still damp when the power is turned back on.

  • Replace heatsink and case fans that are noisy or don't spin fast enough with high-quality fans that use ball-bearing mechanisms. Sleeve-bearing fans are less expensive but will fail when their lubricant dries out.

  • Clean the air intakes going into the power supply with a soft dry cloth or computer vacuum cleaner. You should unplug the power supply before you wipe it off or attempt to clean its internal or external fans.

  • Add large passive heatsinks or active heatsinks (heatsink and fan) to the North Bridge chip.

  • Check fans already present on video cards or motherboard chipsets for proper operation, and replace them if they are noisy or don't spin fast enough.

  • Add additional fans to the front and rear of the case.



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