Hearthstone Video Troubleshooting

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If you notice display errors in Hearthstone like artifacts, missing textures, discoloration, or blinking screens, follow the steps below to resolve the issue. Before you begin, please make sure that your computer meets the Hearthstone minimum system requirements.

Windows

  1. Outdated operating systems can cause issues with the hardware on your computer. Try updating Windows .
  2. Restart your computer to clear its memory and free up system resources.
  3. Outdated video drivers can cause video issues. Make sure that your video drivers are up-to-date.
  4. Your game's graphics settings may be set too high. Try lowering the graphics settings.
Advanced Troubleshooting
  1. Corrupted temporary files may contribute to display issues. Delete the Battle.net cache folder and run the game's repair tool.
  2. If your computer gets too hot while playing the game, you may notice video errors or distortions. Check for overheating components.
  3. Programs running in the background can take system resources that the game requires to run. Close any open background applications.

Mac

  1. Some MacBook Pro models have two separate graphics cards, which may require manual setup. Ensure your MacBook Pro is set to higher performance or automatic graphics switching is disabled. (15-inch, late 2008 | 17-inch, early 2009 | 15- and 17-inch, mid-2009 | 15-inch, mid-2010 and later | 17-inch, mid-2010 and later).
  2. Outdated operating systems can cause issues with the hardware on your computer. Run Software Update.
  3. Restart your computer to clear its memory and free up system resources.
  4. Your game's graphics settings may be set too high. Try lowering the graphics settings.
Advanced Troubleshooting
  1. Corrupted temporary files may contribute to display issues. Delete the Battle.net cache folder and run the game's repair tool.
  2. If your computer gets too hot while playing the game, you may notice video errors or distortions. Check for overheating components.
  3. Reset the computer's System Management Controller, which controls power and fans, to make sure that it is working properly.
  4. Programs running in the background can take system resources that the game requires to run. Close any open background applications.
  5. Run a Combo Update to reinstall your computer's hardware drivers and address any issues with them.
  6. Defective hardware may cause display issues. Run the Apple Hardware Test to scan for hardware problems.

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.

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