Things You'll Need
Instructions
Update Cheat Codes on the Action Replay Card
Power off the Nintendo DS. Insert the Action Replay card into a free slot on the DS. Connect the small end of the USB cable to the Action Replay card. Connect the other end of the cable to the computer.
Insert the Code Manager installation CD in to the CD/DVD drive of your computer. Wait for the installation wizard to appear, then follow the onscreen prompts to install Code Manager on your PC. Reboot your PC if prompted to do so.
Launch the Code Manager application on your computer.
Power on the Nintendo DS. Wait for the device to boot to the Action Replay main menu. Tap the "Update" icon in the top right corner of the screen.
Click the "Update" button in the Code Manager program window. Wait while the Code Manager application updates cheat codes from the Action Replay online database and saves them to the Action Replay card. After Code Manager finishes updating the cheat codes, exit the program.
Disconnect the USB cable from the Action Replay card and the computer.
Using the Action Replay with the Nintendo DS
Power off the Nintendo DS. Ensure the Action Replay card is in the game card slot.
Insert a Nintendo DS game cartridge into the slot on the Action Replay card. Power on the Nintendo DS and wait for the Action Replay menu screen to appear.
Tap the "Code Select" option on the menu screen. Tap the cheat codes you want to use with the game to highlight them. Tap the "Start" button to launch the games with cheat codes enabled.