Instructions
Controller Pak Menu Access
Insert a game into the Nintendo 64 console.
Insert the Controller Pak into the back of a controller, and plug the controller into the "Player One" port on the Nintendo 64 console.
Press and hold the "Start" button on the controller. Turn on the Nintendo 64 console while you're holding the "Start" button.
Release the "Start" button after the Controller Pak menu appears. If the game loads instead, the Controller Pak menu is not accessible from this game.
Highlight the file you want to delete from the Controller Pak menu and select "Delete."
Game Menu Access
Insert a game into the Nintendo 64 console. Let the game load up to the main menu.
Click the game's "Options" menu (or a similarly titled menu) to access your game files. Each game has a different menu system -- consult the game's manual for the exact instructions.
Highlight the file you want to delete and select "Delete."