What is your Envy AIO ? Does it have a REAL HDMI in port ? If yes, it must have a switch. Where ? I need to know EXACTLY what is your machine.
BH *** **Click the KUDOS thumb up on the left to say 'Thanks'** Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Be alert for scammers posting fake support phone numbers and/or email addresses on the community. If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".