The lamp needs replacement soon.
Replace the AA/AAA batteries. Ensure you are pointing the remote directly at the front or rear IR receiver panels on the unit. The connected computer's output resolution is too high. epson h842b projector manual
Connect your device to the same Wi-Fi network as the projector. The lamp needs replacement soon
: Check that the Blank button hasn't been pressed. Verify the source (HDMI 1 or 2) matches your cable connection. epson h842b projector manual