How to Check Your iMac's Temperature

Written by julius vandersteen
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How to Check Your iMac's Temperature
You can use an application to keep tabs on how hot your iMac is. (Brian Kersey/Getty Images News/Getty Images)

The iMac, a desktop computer made by Apple, consists of a display, hard drive and central processing unit integrated into a single device, and it is designed to operate at a temperature ranging from 10 degrees C to 35 degrees Celsius. If you note that your iMac is giving off heat, you might be curious about how to check its temperature. The iMac has built-in temperature sensors for various components, but it does not come with a native application to display temperature readings to the user, so you'll need to get a third-party application.

Skill level:
Moderate

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Instructions

    iStat Pro

  1. 1

    Go to the iSlayer website (islayer.com).

  2. 2

    Download the compressed zip file of free iStat Pro Dashboard widget to your iMac. Double-click the zip file to expand it and reveal the "iStat Pro.wdgt" widget file.

  3. 3

    Double-click the "iStat Pro.wdgt" widget file to install it and open it in your iMac's Dashboard. The temperature readings of various components on your iMac appear in the iStat Pro widget window under "Temps," including the hard drive, CPU and power supply.

    Temperature Monitor

  1. 1

    Go to the Marcel Bresink Software-Systeme website (bresink.de) and download the free Temperature Monitor application to your iMac.

  2. 2

    Double-click the "TemperatureMonitor.dmg" disk image file to expand it. Drag the "Temperature Monitor.app" file from the expanded folder onto the "Applications" folder in your iMac's Dock.

  3. 3

    Click the "Applications" folder in the Dock, and then click "Temperature Monitor" to launch it. The "Sensor Overview" window appears, with readings for various locations on your iMac, including the CPU, the main logic board, and the optical drive.

    X Resource Graph

  1. 1

    Go to the Gaucho Software website (gauchosoft.com) and download the free X Resource Graph application to your iMac.

  2. 2

    Double-click the compressed XRG zip file to expand the "XRG.app" file. Drag the "XRG.app" file onto the "Applications" folder on your iMac's Dock.

  3. 3

    Click the "Applications" folder in the Dock, and then click "XRG" to launch it. A window appears, listing the temperature of various areas of your iMac, including the optical drive, power supply and memory.

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