The front of room displayis black, shows no image or has black bars on the side (similar to wrong aspect ratio)
- Make sure the display is turned on and has the correct source selected.
- For BYOD: Press Win-P on keyboard and try both DUPLICATE and EXTEND
- Using the display remote control or buttons:
- Go to setup
- Check the settings for input source: Try HDMI mode 1 and HDMI mode 2 (see images for example from NEC settings)