Hey, MacekCZ125!
Sorry to hear of your black screen issues. I would recommend trying our PC Troubleshooting guide to try and fix this issue.
If you find that the game still gets a black screen after completing these steps, it would be much appreciated if you could Create a Support Ticket and include your system files so we can further troubleshoot this issue with you.
Please reply back here with your case number so we can find the files.
Thank you.