On my Sharp AQUOS (LC-40LE81OUN) input 4 & 5 respond "not available." why? How can I change it?

Hello and welcome to ExpertHelp.com! My name is Charles Totherow and I'm going to do everything in my power to answer your question to your full satisfaction!

Before we get started, I want to remind you ExpertHelp.com is an independent professional support company. We are not associated with LG nor are we paid to provide support on their behalf. However, we have helped hundreds of customers with similar questions and believe we can help you too. OK, let’s get started! :)

I’m available to chat now. Please let me know that you are ready by posting a response. I’ll leave my chat session open for the next 15 minutes or so and wait for your reply. If I don’t catch you this time, please respond with a few times (including your timezone) that work best for you and we can connect then.

We worked on the problem for a little while.  Customer has tv hanging on the wall so customer asked me if I could call back tomorrow at 2pm ESt

I called customer and left a message asking when would be a great time for follow up support.

Dear William, It was a pleasure helping you with your LG issue today. Here is a summary of the resolution. 
Issue identified:  HDMI ports were not working on tv
Solution Implemented:  I callecd customer and provided steps to resolve the issue.  Customer stated problem solved
If issue resurfaces: Please follow the same steps again if the issue resurfaces. Also you can contact support by email at s**[email protected] or by phone at ***-***-****