Reddit mentions of HDMI Switch 4K, GANA Intelligent 3-Port HDMI Switcher, Splitter, Supports 4K, Full HD1080p, 3D with IR Remote

Just get something like this for your monitor. Mine has only one HDMI input as well so I use a switch to connect multiple devices.

EDIT: I just chose a random switch to link. This one in particular only supports 4K @30Hz, so do some research if that's not good enough for your PC etc.

And my point would be that those “deficiencies” don’t matter. Yes better hardware exists if you pay more, but do you really need those extra bells and whistles? My TV was $199 on Black Friday five years ago. It’s a 42” 1080p with vaguely acceptable built in speakers and two HDMI ports and a USB power port. At one point I experimented with using both ports, but quickly gave it up when I realized my Apple TV does everything I need. If it didn’t have two ports and I had two devices, like maybe a satellite box or a game console, I could make up for that with an $11 HDMI switch device.

Beware : I've bought 3 HDMI switches in as many weeks. All lasted 1-4 days before I had to return them. Only good thing from this experience is that even though I was refunded via Amazon Prime, one Chinese vendor is still sending me a free one. Although I suspect it will last as long as the others lol.

The one linked below has the accommodating vendor.

https://www.amazon.com/gp/product/B0739GSKV2/

https://www.amazon.com/GANA-Intelligent-Switcher-splitter-Supports/dp/B0739GSKV2

Nothing special, but does the job perfectly fine. It's fairly small and the remote is just added convenience.

HDMI Switch 4k,GANA Intelligent 3-Port HDMI Switcher,Splitter, Supports 4K, Full HD1080p, 3D with IR Remote https://www.amazon.com/dp/B0739GSKV2/ref=cm_sw_r_cp_apa_A5xOBbKPV004D

Would likely work.

It does not. I use an external switch like this and I want to remove it. I get compatability issues with chromecast and the wiiu, and I can't connect a ps2 on it without juggling connections

This is the one I bought but there are a lot of other ones on amazon that have lots of positive reviews. I got this one only cause it had the remote as well.

https://www.amazon.com/dp/B0739GSKV2/ref=cm_sw_r_cp_api_ZSn0AbCXEZY4G

Anyone who is curious, I went with a super cheap option ($10) and it works just fine for now, no noticeable loss in video.


https://www.amazon.com/gp/product/B0739GSKV2/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

use the HDMI out from your PC, Switch and PS4 and run into an HDMI switch:

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https://www.amazon.com/GANA-Intelligent-Switcher-Splitter-Supports/dp/B0739GSKV2/ref=sr_1_4?keywords=hdmi+switch&qid=1555316855&s=electronics&sr=1-4

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Connect HDMI out from above to HDMI IN on audio extractor: https://www.amazon.com/ViewHD-Extractor-Optical-Toslink-Converter/dp/B00KBHX072?ref_=fsclp_pl_dp_1

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use this cable to convert your HDMI video coming out of the audio extractor to DVI and run to your LCD : https://www.amazon.com/AmazonBasics-Input-Output-Adapter-Cable/dp/B014I8UQJY/ref=sr_1_3?keywords=hdmi+to+dvi&qid=1555316493&s=gateway&sr=8-3

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Run RCA audio cables out of the audio extractor (above) and connect to your RCA AUDIO INPUTS on your LCD - you don't need 5.1 or surround sound for onboard stereo speakers analog L/R is fine.

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Hope this helps.

HDMI Switch 4k,GANA Intelligent 3-Port HDMI Switcher,Splitter, Supports 4K, Full HD1080p, 3D with IR Remote https://www.amazon.com/dp/B0739GSKV2/ref=cm_sw_r_cp_api_i_iqvQCbVYBFWP4

Something like that would do it

Buy a HDMI Switcher. You can get some on Amazon that some with remotes.

Like this:

HDMI Switch 4k,GANA Intelligent 3-Port HDMI Switcher,splitter, Supports 4K, Full HD1080p, 3D with IR Remote

^ yeah just get a hdmi switch, they're relatively cheap. I picked up this hdmi switch https://www.amazon.com/GANA-Intelligent-Switcher-Splitter-Supports/dp/B0739GSKV2/ref=mp_s_a_1_5?ie=UTF8&qid=1542838818&sr=8-5&pi=AC_SX236_SY340_FMwebp_QL65&keywords=hdmi+switch&dpPl=1&dpID=51PZQ4cdHEL&ref=plSrch lets me connect my secondary gaming pc, ps3, and xbox 360 to my TV, Been working just fine so far. Also came with a remote to let me switch between devices

So, this is going to be somewhat of a silly setup, but you’re going to need an RCA splitter, an RCA to HDMI converter, and an HDMI splitter. I’ve used several hdmi splitters in the past and they’ve all been fairly solid, but I can’t vouch for the RCA splitters. Speaking from experience, the trickiest part is getting proper 5.1 audio if you have a surround sound system as most TVs only pass stereo. But, if you’re using the TV’s speakers you’ll be just fine anyway. Not sure what your budget is, but here’s something to get you started:


AuviPal 4-Way RCA Switcher 4 in 1 Out Composite Video L/R Audio AV Selector Box for DVD VCR VHS/AV Receiver/Game Consoles

and...

RCA to HDMI, GANA 1080P Mini RCA Composite CVBS AV to HDMI Video Audio Converter Adapter Supporting PAL/NTSC with USB Charge Cable for PC Laptop Xbox PS4 PS3 TV STB VHS VCR Camera DVD

Then as many male to male RCA cables as you need.

Finally the hdmi splitter:

HDMI Switch 4k,GANA Intelligent 3-Port HDMI Switcher,Splitter, Supports 4K, Full HD1080p, 3D with IR Remote

First, questions.

• Why are your monitors all using different connections? Are they all different models? If they're the same, why not just have them all use Displayport?
  
• How far away will the TV be away from the tower? Would you need a cable longer than 6ft to connect them? Considering that the cable will need a good amount of slack for cable management, as well.
  
  Now, a suggestion.
  
  
• If your monitors all have Displayport... ports, just hook them all up to Displayport. If for some reason you can't, or just really don't want to, you'll need a way to connect your HDMI TV to a Displayport. You don't even have to get an adapter box, you can just use a wire with HDMI on one end, Displayport on the other.
  
  Anyway, some options.
  
  
• Software Switch - I'm assuming you use Windows 10. If you do, you can just switch your active screen without having to do anything more than using a Keyboard shortcut. Display Switch (Windows button + P) will allow you to quickly switch your display option, allowing you to quickly turn your TV's input on or off. However, I don't know if this will mess with any of your display settings, it might. If it does, you'd have to fiddle with the other two screens' settings every time you switch back to your desk. If you do this option, by the way, and you keep a keyboard on your rig, you can just use the shortcut to switch between displays.
  
  
• Hardware Switch - An adapter box that switches your output between two screens (like this, for example). You'd have to have to physically press the button each time you switch between your desk and TV (though they do make ones that have a remote), but this way you wouldn't have to worry about any software issues. You'd connect this to your main monitor and the TV, and simply press the button to switch between them. Your PC would re-adjust the resolution for you (it would detect that the screen its outputting to changes), but other than that it wouldn't have an affect on it, it would just think that your middle monitor is now the TV. You'd still only be projecting the game screen to one display at a time, so it wouldn't have any affect on the game's performance.
  
  
• Software Mirroring - Exactly as it sounds. One of the options in the Display Switch panel is Duplicate, which mirrors your main monitor's output to your TV. You could just leave this on, and just turn your TV on or off as needed. The only problem is that since your system would be outputting the game to two displays, it may have a negative affect on the system's performance. This is the option I don't recommend.
  
  
• Hardware Splitter - A box that takes one input and mirrors it to two outputs (example). It wouldn't be a switch, it would just constantly mirror the output to two displays. The difference is that your GPU would only be making one output, the box is just sending the signal to two displays. This way, it shouldn't have an affect on your PC's performance. Just turn the TV on and off as needed.
  
  
• Separate System - This is the extreme option, having a separate PC for your rig entirely. If the only games you play on your PC are racing sims, you could just use your current PC for the rig and have a new PC for your desk, its specs depending on what kind of work you do with it. While this is, again, the logical extreme solution... it's not necessarily unreasonable to have separate systems for work and play.
  
  
  
  ^(Notes)
  
  ^(- None of these options should introduce lag, but if you get a splitter or switch box, make sure they're noted with low-latency and check the reviews.)
  
  ^(- You could stream the game to your TV with something like the Steam Link... but your TV is in the same room as the PC-- hell from the sounds of it, it's within the same arm's reach as the TV. Streaming it is alright if the system and the TV were across the house, but its a needlessly complicated and clunky idea in this situation.)
  
  ^(- If you do use a hardware solution, keep in mind that the small consumer boxes can only use cables of a reasonable length. Generally speaking, you shouldn't use a cable longer than 9ft from the box to your TV, or the wire won't carry the signal to the display. Longer than that, you'll probably need a) ^(signal repeater)^(.)
  
  
  
  If you have any questions, let me know. I hope this helps you find your answer.
  
  EDIT: More info.

They all usually auto switch. When I had an elaborate setup I just went with a $5-$7 one off Amazon. Had 3 inputs and came with a basic remote. Worked fine even without using the power cord. For reference I was using a cable box, PS4, and htpc Which later changed to a fire stick. It was just like this https://www.amazon.com/GANA-Intelligent-Switcher-splitter-Supports/dp/B0739GSKV2 but it was about 4-5yrs ago so it was minus the 4K of this one. hth