Work through the following steps:
What colour is the LED on the front right-hand side of the screen?
- Disconnect the screen from the electricity supply by switching off the mains switch on the left-hand side for at least 5 minutes.
- Switch the screen back on again.
- Press the Input button on your remote control and select “DVD” as the source.
- If you see the DVD logo, switch to the source you wish to use.
- Make sure that no USB device is connected to the USB 2.0 port on the right-hand side of the screen.
- Click on Dmenu on the remote control or tap on the screen three times.