Checking for Overheating Components

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An overheating system can lead to graphical instability and frame rate loss. Follow the steps below to reduce overheating issues with your system.

Windows

You can monitor your heat levels during play by downloading the free version of HWMonitor from CPUID. Once you've installed the program, follow these steps:

  1. Start HWMonitor.
  2. Run HWMonitor while you play the game.
  3. Review the max temperatures reached in HWMonitor. You may have an overheating issue if your CPU goes over 60 degrees celsius, or your video card goes over 80 degress celsius.

To prevent overheating:

  1. A buildup of dust inside the computer can cause overheating issues. Use a can of compressed air to clean the dust from your computer fans and vents.
  2. Play on a solid surface if you are using a laptop. Soft surfaces reduce airflow and can cause the system to run at a higher temperature. A desk or table is an ideal gaming surface.
  3. Running unnecessary applications and processes can cause additional strain on the computer, which may increase your system's running temperature. Try closing Background Applications.
  4. Lowering in-game video settings can help boost performance and reduce heat.
  5. Make sure you are playing in a cool environment. Playing in a room or area that is 80°F (27°C) or higher can contribute to overheating.

Mac

To prevent overheating:

  1. Play on a solid surface if you are using a laptop. Soft surfaces reduce airflow and can cause the system to run at a higher temperature. A desk or table is an ideal gaming surface.
  2. Running unnecessary applications and processes can cause additional strain on the computer, which may increase your Mac's running temperature. Try closing Background Applications.
  3. Lowering in-game video settings can help boost performance and reduce heat.
  4. A buildup of dust inside the computer can cause overheating issues. Try vacuuming with a static-protected vacuum designed for sensitive electronic components or using compressed air to clean your system. If you are not comfortable removing dust from your Mac, take it to a local Apple Authorized Service Provider (AASP) to have a professional clean it for you. 
  5. Make sure you are playing in a cool environment. Playing in a room or area that is 80°F (27°C) or higher can contribute to overheating. Keep a fan pointed directly at your Mac to circulate cool air around the machine or consider buying a laptop cooling pad.
  6. If you notice your Mac is getting too hot and you have followed the instructions above, it may be because Spotlight is indexing. This usually takes several hours, and is performed to improve hard disk search times. Click the Spotlight icon to see how much longer the indexing will take. Avoid playing games on your Mac while Spotlight is indexing, as performance will suffer and the computer will be more prone to overheating.

Tried everything here?

If you have tried all of the steps for your operating system and still require assistance, please visit our Technical Support Forum (World of Warcraft) (StarCraft II) (Diablo III) (Hearthstone) (Heroes of the Storm) or contact us.

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