If the screen is black, lower your "Render Quality" to 0.8x and disable "Mipmap Levels" in Quality settings.
Modern "Ultra" shaders can bring high-end RTX 4090 cards to their knees if the render distance is high enough. SEUS v10.2 Ultra, however, is optimized for the hardware of a bygone era. It runs surprisingly well on mid-range modern GPUs and can even achieve playable frame rates on older hardware (like GTX 900 or 1000 series cards) that struggle with modern PBR pipelines. It is significantly less demanding on your VRAM and processor. seus v10.2 ultra
If you are revisiting an old modpack or building a cinematic Minecraft machinima, remains a top-three choice. Just keep a torch handy for the Nether. If the screen is black, lower your "Render Quality" to 0