Since the game was released in 2004, most modern lag issues stem from the game not knowing how to handle modern hardware (multi-core CPUs, high refresh rates, and new graphics APIs).
Pro Tip: Open DgVoodoo.conf, find [DirectX] and set AppMinDriverType = "best" to let your modern GPU handle everything. need for speed underground 2 lag fix
Step 3: Close Conflicting Programs
Steps: