If you encounter a black screen at startup or during gameplay, follow the steps below to solve the problem.

  1. Update your video card drivers.
  2. If you are receiving a Windows error that mentions the "NV4DSP.DLL" file, even after updating your drivers, try reverting your drivers to an older version. Visit NVIDIA®'s Downloading Drivers page for more information.
  3. Start the game in windowed mode.
    1. Click the Battle.net icon on the Battle.net app.
    2. Select Settings from the dropdown menu.
    3. Click Game Settings and check the Additional command line arguments box under StarCraft® II.
    4. Type -Displaymode 0 in the box and click Done.
Advanced Troubleshooting
  1. Configure your network to make sure your connection is not blocked by a firewall or router.
  2. Run the repair tool to solve issues with damaged game files.
  3. You may want to try the World of Warcraft basic crash & lockup troubleshooting steps.

Tried everything here?

If you have tried these steps and still need help, please visit our Technical Support Forum or contact us.