Issue: No Signal on Roku TV When HDMI is Plugged In

When a Roku TV displays a 'Check Connections' message on the screen while an HDMI cable is connected, this can be a frustrating issue to deal with. Fortunately, there are several steps you can take to troubleshoot the problem and hopefully resolve the issue.

1. Check Connections

To begin, ensure that the HDMI cable is securely connected to both the Roku TV and the HDMI device, such as a gaming console, Blu-ray player, or another streaming device. It is common for the issue to be resolved simply by unplugging and then replugging the cable into both the TV and the device.

2. Change HDMI Ports

If your Roku TV has multiple HDMI ports, try plugging the device into a different port. This can help to determine if the issue is with a specific port or the HDMI cable itself. If one port works, the problem might be with the port you were using previously.

3. Inspect the HDMI Cable

A damaged HDMI cable can also cause the 'Check Connections' message. If possible, try using a different HDMI cable to see if that resolves the issue. A damaged cable may not be transmitting the signal correctly.

4. Power Cycle the Devices

Turn off your Roku TV and the HDMI device, unplug them from the power outlet, wait for about 30 seconds, and then plug them back in and turn them on. This process, known as a power cycle, can often resolve temporary issues with signal transmission.

5. Select the Correct Input Source

Make sure your Roku TV is set to the correct HDMI input source. Use the remote to cycle through the available inputs until you find the one for the HDMI port you are using. Most modern TVs have multiple inputs, so ensure you have selected the correct one to match the port your device is plugged into.

6. Check the HDMI Device

Ensure that the HDMI device is powered on and functioning correctly. If possible, test the device on a different TV to rule out any potential issues with the device itself. This can help you determine if the problem lies with the device or the TV.

7. Update the Roku TV

Sometimes software updates can resolve compatibility issues. Ensure that your Roku TV is running the latest software. You can check for updates in the settings menu. Keeping your device up to date can help ensure it works properly with all connected devices.

8. Factory Reset as a Last Resort

If none of the above steps work, consider performing a factory reset on your Roku TV. This will erase all settings and preferences, so it should be your last resort. Before performing a factory reset, it’s a good idea to back up any important data or settings you may want to maintain.

Additional Troubleshooting Tips

Make sure nothing is at the other end of the HDMI cable, or if there is, it is powered on and outputting a signal. Verify that you have the correct HDMI input selected on your Roku TV. Most modern TVs have three or more inputs, so ensure you have selected the one that matches the port your device is plugged into. It could be that the cable is bad. Try using a different HDMI cable to see if that resolves the issue. Alternatively, the TV input port could be faulty. Try one of the other HDMI inputs to see if the issue persists.

If you continue to experience issues after trying these steps, there may be a hardware problem with the TV or the HDMI device, and you may need to contact customer support for further assistance.