: After capping the FPS, restart the game and reload the checkpoint; the lever should now appear correctly. 2. Use a "Clean" Save File

The best cure is prevention. If you are starting a new game or have a save file before the Observatory, follow these rules religiously.

Try these in order. The first solution works for 90% of players.

: Some players have found success using speedrun techniques to wall-jump or bypass the entire puzzle area, though this requires precise execution.