How to Cool an iMac

Written by jefe nubarron
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How to Cool an iMac
Cool an iMac with a desktop fan. (vintage fan image by Michael Drager from

Apple's consumer desktop computer line is known as the iMac. These systems have an all-in-one design that incorporates the display with the system case, internal drives, memory and system board. Due to the tight specifications of an iMac, with all the components effectively crammed inside a monitor, the internal temperature can get rather hot. The most effective way to cool down an iMac is to ensure that the system has room to vent exhaust air. Removing obstructions will solve most problems. There are also some other practical steps that you can take.

Skill level:

Things you need

  • iMac computer
  • Desktop fan

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  1. 1

    Remove obstructions from around the iMac, particularly above it. An iMac vents air out of the top of the system. Your iMac will not fully cool down if there are obstructions to the exhaust, particularly above the system.

  2. 2

    Clean the air intake vents on your iMac. These are located at the bottom of the display, along with the system speakers. Either use a vacuum to pull dust out of these vent grills, or blow compressed air in.

  3. 3

    Circulate air near the iMac with a desktop fan. Angle the fan to point just above the system. This will help provide additional ventilation for the iMac exhaust.

Tips and warnings

  • The standard internal temperature of an iMac is normally between 50 and 100 degrees Celsius.
  • If the internal temperature on your iMac gets too high, the system will shut off prior to permanently damaging the processors.

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