Troubleshoot "No Signal" or "Invalid Signal" on TV

Troubleshoot "No Signal" or "Invalid Signal" on TV


Check the steps below to resolve "No Signal" or "Invalid Signal" displayed on your TV:

  • Check the HDMI cable connection at the device and TV
  • Select the correct Input on the TV

Check the supported resolutions on your TV.

Your Formuler device might be set to an incompatible HDMI output mode.

  1. Turn ON the TV
  2. Pull the power from your Formuler device.
  3. Plug power back into the Formuler device.
  4. Wait at least 2 minutes for the box to boot up.
  5. Press the Resolution button on your Formuler remote
  6. Wait 5 seconds.
  7. Does the picture appear on the TV screen?
  8. If not, Press the Resolution button twice
  9. Wait 5 seconds
  10. Does the picture appear on the TV screen?
  11. If not, Press the Resolution button THREE times
  12. Repeat as neccessary.