How to Connect Hyperkin RetroN 77 to a Modern TV

Quick answer

Plug the RetroN 77's HDMI cable into your TV, insert an original Atari 2600 cartridge, and power on. Select the correct HDMI input on your TV, and the console outputs at 720p. If you see no signal, check the input source, reseat the cartridge, and verify the HDMI cable is fully inserted at both ends.

What you need before you start

The Hyperkin RetroN 77 is designed to play original Atari 2600 cartridges on modern TVs without a CRT. It outputs video over HDMI at 720p with selectable 4:3 or 16:9 aspect ratios, so you do not need any legacy AV cables or adapters. You will need the console, its power adapter, an HDMI cable, and at least one Atari 2600 cartridge. Original joysticks or paddles connect to the front ports.

• Hyperkin RetroN 77 console and power adapter
• HDMI cable (one is usually included; any standard HDMI cable works)
• Atari 2600 cartridge
• TV with an available HDMI input
• Original Atari 2600 joystick or paddle controllers (optional but recommended)

Step-by-step setup

Follow this order to avoid the most common mistakes. Each step includes a checkpoint so you can confirm the console is ready before moving on.

Troubleshooting no signal and other issues

If the TV shows no signal, work through these checks in order. Most problems come from the TV being on the wrong input or the cartridge not making full contact. The RetroN 77 does not upscale to 4K; if your TV only accepts 4K on certain inputs, try a different HDMI port. Also make sure the TV is not set to a resolution or mode that the console cannot output.

• Verify the TV input matches the HDMI port you used.
• Reseat the cartridge firmly; dirty contacts are a common cause of a black screen.
• Try a different HDMI cable and a different TV HDMI port.
• Confirm the power adapter is connected to a working outlet and the console's power light is on.
• If you hear audio but see no picture, check the aspect ratio setting in the console menu.

Using original controllers and saving progress

The RetroN 77 accepts original Atari 2600 joysticks and paddles through its front ports. Plug them in before powering on so the console detects them. The console also supports save states, which let you pause and resume progress even in games that originally had no save feature. This is useful for long sessions or difficult titles. Note that save states are stored on the console, not on the cartridge.

Setup steps

1. Connect the HDMI cable: Plug one end of the HDMI cable into the RetroN 77's HDMI port and the other into an available HDMI input on your TV. Checkpoint: note which HDMI input number you used on the TV.
2. Insert the cartridge: With the console powered off, insert an original Atari 2600 cartridge into the top slot, label facing forward, and press down firmly until it seats. Common mistake: inserting the cartridge at an angle or not pushing it all the way in.
3. Connect power and turn on: Plug the power adapter into the RetroN 77 and a wall outlet, then press the power button. The power indicator should light up. Checkpoint: if the light does not come on, try a different outlet or check the adapter connection.
4. Select the correct TV input: Using your TV remote, press the Input or Source button and choose the HDMI input you noted earlier. Common mistake: leaving the TV on the wrong input or on a smart TV home screen.
5. Adjust aspect ratio if needed: The RetroN 77 outputs 720p and lets you choose between 4:3 and 16:9. Use the console's menu or settings to match your preference. Checkpoint: 4:3 preserves the original look; 16:9 stretches the image to fill a widescreen TV.

Product facts

• Hyperkin RetroN 77: Hyperkin RetroN 77 plays original 2600 cartridges on today's TVs with 720p HDMI output, selectable 4:3 or 16:9 aspect ratios, and save states. You can use your existing Atari 2600 game library on a modern TV without needing a CRT or any video converter.