I show you how to turn on or off the HDMI-CEC Arc / eArc on a Toshiba Fire TV. Hope this helps. Toshiba 43LF621U21 43-inch Smart 4K UHD with Dolby Vision - F If your Fire TV device is connected to your TV with an HDMI cable or HDMI hub, try replacing the cable and/or the hub. For a Fire TV Stick or Cube, try turning off Dolby Digital Plus Output. Choose Settings→Display & Sounds→Audio→Dolby Digital Output, and then choose Dolby Digital Plus Off. Toshiba Television Not Turning On Check the Power Source:. Before diving into more complex troubleshooting, it's essential to rule out a simple cause. Test the Remote Control:. If the TV does not respond when using the remote control, the issue might lie with the remote Power Cycle the TV:. Our Toshiba TV has stopped recognizing the HDMI input. The TV is a 53'' and about 4 years old. I have the model and - Answered by a verified TV Technician. We use cookies to give you the best possible experience on our website. We also have Apple TV on HDMI 2 and it does not appear to be working. However, the TV works with a DVD player. Hold the Recall or Setup button on the remote and wait until the light on the remote becomes lit. Press and release the TV button on the remote. Now, press the Power button on the remote and wait for 5 seconds. Repeat step 5 until your TV switches OFF. When the TV turns OFF, press the Enter button to store the code. Vay Tiền Trả Góp Theo Tháng Chỉ Cần Cmnd.

toshiba tv not working