Black Screen when starting StarCraft II.
Follow these steps to resolve lockups or crashing issues.
Troubleshooting for when an in-game shop screen is all black or blue
Information regarding crashes accompanied by a Blue Screen
Blizzard games run best on default settings and may not support all aspect ratios
Troucleshooting steps for crash problems
If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.
Troubleshooting for Battle.net desktop application crashes.
Information and troubleshooting on error BLZBNTBNA00000005
Cannot install or Patch Call of Duty: Black Ops 4