Now that we've identified the possible causes, let's move on to the solutions:

If you have tried every single step above and are still staring at a black screen, the issue might be hardware-specific (e.g., integrated Intel HD Graphics on an old laptop). In that case:

, there are several community-verified fixes that go beyond standard driver updates. While basic troubleshooting like updating graphics drivers verifying game files

Windows' built-in fullscreen optimizations can sometimes conflict with older titles like Rogue.

This is the oldest trick in the book for Ubisoft games. The black screen often occurs because the game is stuck in a broken fullscreen state.

You are not alone. Assassin’s Creed Rogue (released in 2014 for older consoles and later ported to PC) suffers from a notorious black screen on startup. The good news? It is fixable. This article compiles every known working solution, from simple launcher tweaks to advanced file editing.

If none of these solutions work, you may want to try reinstalling the game or seeking further assistance from Ubisoft support.