What is what to do when your roku tv turns on but the screen is black?

Okay, here's information on troubleshooting a Roku TV that turns on but displays a black screen, formatted in Markdown with internal links:

Troubleshooting a Black Screen on Your Roku TV

When your Roku TV powers on (indicated by the power light) but the screen remains black, it can be frustrating. Here's a systematic approach to diagnose and resolve the issue:

1. Power Cycle: This is often the first and simplest solution.

   • Unplug your Roku TV from the power outlet.
   • Wait at least 60 seconds. This allows the TV to completely discharge any residual electricity.
   • Plug the TV back in and turn it on.

2. Check the Input/Source: Make sure your Roku TV is set to the correct input or source. Use your Roku remote to cycle through the available inputs (HDMI 1, HDMI 2, etc.). Sometimes, the TV defaults to an incorrect input. For more information on TV inputs, see https://www.wikiwhat.page/kavramlar/tv%20input.

3. Inspect the HDMI Cable: A faulty or loose HDMI cable can cause a black screen.

   • Ensure the HDMI cable is securely plugged into both the Roku TV and any connected devices (like a cable box, Blu-ray player, or game console).
   • Try a different HDMI cable. Sometimes, cables can degrade over time.
   • Try a different HDMI port on your Roku TV.
   • For more information about HDMI cables, see https://www.wikiwhat.page/kavramlar/hdmi%20cable.

4. Check Other Devices: Disconnect all other devices connected to the Roku TV except for the power cable. This helps isolate the problem. If the screen works after disconnecting other devices, reconnect them one by one to identify the culprit.

5. Check the Backlight: It's possible the backlight on your TV has failed. Use a flashlight and shine it close to the screen. If you can faintly see an image, the backlight is likely the issue. For more information about tv backlights see https://www.wikiwhat.page/kavramlar/tv%20backlight

6. Factory Reset (If Possible): If you can navigate the menus blindly.

   • Locate the reset button on the back of the TV, hold this button for about 15 seconds.
   • The TV may restart

7. Hard Reset the Roku TV: Use the reset button on the back of the device, press and hold for 20 seconds.

8. Contact Roku Support: If none of the above steps work, there may be a hardware issue with your Roku TV. Contact Roku support or the TV manufacturer for further assistance. Have your TV's model number and purchase date ready. More information on Roku support can be found here: https://www.wikiwhat.page/kavramlar/roku%20support.