lookitsilli Are you saying that your saves and other user files have disappeared from your computer, or just that you can't see them in-game? For the missing content, please see this guide:
⚙️[PC] Sims 4 Missing User Content (saves, mods, etc.) | EA Forums - 12636780
If you need further help with that part, let me know what you found when you searched for the files.
For the black screen, please provide a dxdiag. Click Windows key-R, enter dxdiag in the run box, wait for the scan to finish, click "Save all information," and save the file to your desktop. From there, you can attach it to a reply using the paper clip (Attachment) icon included with the other formatting buttons.
