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Connecting MOES Smart WiFi Ambient Lighting and HDMI Switch to the Samsung QE55Q77DAT

lukasz10874 654 11
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  • #1 21393844
    lukasz10874
    Level 2  
    Hi. I have a Samsung QE55Q77DAT 55 TV and have purchased a MOES Smart WiFi Ambient Lighting TV Backlight 4K HDMI 2.0 Sync Box and an HDMI 2.1 4x1 SWITCH 8K 4K. How do I hook this up so it works with my 2 consoles and TV decoder?
    AI: What models of consoles and TV set-top box do you want to connect to the TV? .
    Xbox Series and PS5
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  • #2 21394121
    karolrkd
    Level 20  
    The first, is a fab that uses the name Ambient ( not even lying next to the real one ) . ( no offence to my esteemed colleague )

    As for the connection, the pics will probably explain everything


    Diagram showing the connection of a multimedia device to a TV and other devices.


    Diagram showing the connection setup for a device with HDMI, Type-C, and power ports. .
  • #3 21394778
    lukasz10874
    Level 2  
    >>21394121 It's just that when I hook it up like this, it doesn't work, hence my post here. There is no image. Yes, I know it's an imitation.
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  • #4 21394791
    karolrkd
    Level 20  
    Did you connect any device directly without a switch , change cables?
  • #5 21394967
    lukasz10874
    Level 2  
    >>21394791 Now there was another attempt to hook up. Cables new and old all work. As it plugs in with the switch, there is a picture for 5 seconds, after 5 seconds the TV recognizes by itself what device is plugged in and changes the name of the HDMI port to Xbox or PS5.
    After this automatic operation, because unfortunately it is not possible to switch it off (unless I cannot find it in the options), it shows a message that there is no connected equipment and an icon that the device is switched off (of course it is switched on). If I plug the console directly into the switch, it works. That's why I bought the swich, so I don't have to rewire the cables.
  • #6 21394985
    karolrkd
    Level 20  
    You have used the Connection Guide function ( HDMI troubleshooting )
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  • #7 21395000
    lukasz10874
    Level 2  
    >>21394985 of course it does. There are no problems at all. When I unplug the switch, the bar lights up.
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  • #8 21395012
    karolrkd
    Level 20  
    Have you tried the on/Off HDMI-CEC option on this HDMI input.

    Unless you have hit ... on a state not liking this TV equipment

    - TV reset
    - update
    - reconfiguration
    - manual addition of equipment
    - faulty HDMI cables
    - TV does not like this device

    End of possibilities
  • #9 21395323
    lukasz10874
    Level 2  
    The switch works normally . I have now hooked up the switch and console to it and there was no auto detection of hardware . When changing the source on the switch there was no hardware detection .TV is new and updated .cables new . When i connect moes to it switch and to it console or tv god then there is auto add hardware . I have no option to turn this off . I searched yesterday in the manual as well as on various forums but there was no such information .
  • #10 21395486
    karolrkd
    Level 20  
    Hand-add option ( have you tested it ) ?
  • #11 21395654
    lukasz10874
    Level 2  
    There is an edit only which does nothing . Before going to work I made another attempt . I think it's about the refresh rate of the tv or console .
  • #12 21398306
    lukasz10874
    Level 2  
    After a few days, I now know more. The problem was that the bar supports 60 fps. Now almost everything works, because, for example, in a game you can change frames, but the TV recognizes the possibility to play in 120 frames and then the bar does not work. Changing the image from game mode to HDR or other modes does not help. So far only one case of this has happened with Monster Hunter Rise on PS5.
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Topic summary

✨ A Samsung QE55Q77DAT TV user seeks guidance on connecting a MOES Smart WiFi Ambient Lighting 4K HDMI 2.0 Sync Box and an HDMI 2.1 4x1 8K/4K switch to two consoles (Xbox Series and PS5) and a TV decoder. The main issue is that when the MOES sync box is connected through the HDMI switch, the TV initially displays the console input but then loses the signal, showing no connected device despite the consoles being powered on. Direct console-to-switch connections work correctly, but adding the MOES device causes automatic HDMI port renaming and signal loss. Troubleshooting steps discussed include checking HDMI-CEC settings, cable replacements, TV firmware updates, and manual device addition, none of which resolved the problem. The root cause appears related to the MOES sync box's limitation to 60 Hz refresh rate, conflicting with the consoles' capability to output 120 Hz, causing the sync box to fail in certain high-frame-rate scenarios such as specific PS5 games. The TV recognizes 120 Hz input, but the MOES device does not support it, leading to signal dropouts when frame rates exceed 60 fps.
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FAQ

TL;DR: "The problem was that the bar supports 60 fps." Force 60 Hz on PS5/Xbox or bypass the MOES for 120 fps titles to keep video and lighting stable. This FAQ helps Samsung QE55Q77DAT owners integrate a MOES HDMI 2.0 backlight with a 2.1 switch, two consoles, and a TV decoder. [Elektroda, lukasz10874, post #21398306]

Why it matters: It shows how to keep ambient lighting without losing video when 120 Hz handshakes confuse your Samsung.

  • HDMI 2.0 paths typically cap at 4K60 with 18 Gbps bandwidth, impacting 120 Hz gaming. [HDMI LA, 2016]
  • HDMI 2.1 supports up to 48 Gbps and 4K120, but the chain is limited by the weakest link. [HDMI Forum, 2017]
  • With the MOES inline, Samsung auto‑detect can rename the port, then drop signal after ~5 seconds. [Elektroda, lukasz10874, post #21394967]
  • The 2.1 switch works normally when the MOES box is removed from the chain. [Elektroda, lukasz10874, post #21395323]
  • The MOES "bar" works at 60 fps; 120 fps titles can break ambient sync (e.g., Monster Hunter Rise on PS5). [Elektroda, lukasz10874, post #21398306]

Quick Facts

  • HDMI 2.0 paths typically cap at 4K60 with 18 Gbps bandwidth, impacting 120 Hz gaming. [HDMI LA, 2016]
  • HDMI 2.1 supports up to 48 Gbps and 4K120, but the chain is limited by the weakest link. [HDMI Forum, 2017]
  • With the MOES inline, Samsung auto‑detect can rename the port, then drop signal after ~5 seconds. [Elektroda, lukasz10874, post #21394967]
  • The 2.1 switch works normally when the MOES box is removed from the chain. [Elektroda, lukasz10874, post #21395323]
  • The MOES "bar" works at 60 fps; 120 fps titles can break ambient sync (e.g., Monster Hunter Rise on PS5). [Elektroda, lukasz10874, post #21398306]

What’s the correct connection order for MOES, HDMI 2.1 switch, PS5/Xbox, and a TV decoder?

Connect each source (PS5, Xbox, decoder) to the HDMI 2.1 switch inputs. Connect the switch’s output to the MOES HDMI IN. Connect MOES HDMI OUT to the TV’s HDMI input. Power the MOES via USB, then select the switch input. This order preserves switching and sync. If you need 120 Hz, bypass the MOES for that session. [Elektroda, karolrkd, post #21394121]

Why do I get a picture for five seconds, then “no device” on the Samsung?

Samsung auto-detection renames the input, then the HDMI handshake fails through the MOES. The TV reports “no device” even though it’s on. This behavior appears when the MOES is inline with consoles. It does not occur when only the switch is used. Force 60 Hz or remove the MOES to confirm. [Elektroda, lukasz10874, post #21394967]

Can the MOES 4K HDMI 2.0 sync box pass 120 Hz from PS5 or Xbox?

No. It works at 60 fps. When a game enables 120 fps, the bar stops syncing and video can drop. The user confirmed Monster Hunter Rise on PS5 triggered the failure. Set the console to 60 Hz to restore operation. [Elektroda, lukasz10874, post #21398306]

How do I keep ambient lights and avoid 120 Hz handshake issues?

Use 60 Hz when you want the MOES lights active. For 120 fps titles, route the console directly to the TV. Then reinsert the MOES when you return to 60 Hz games or video. This strategy preserves both gameplay and lighting. [Elektroda, lukasz10874, post #21398306]

Should I disable HDMI‑CEC (Anynet+) on the affected input?

Yes, it can help if auto-detection is causing the drop. As one expert advised: "Have you tried the on/Off HDMI-CEC option on this HDMI input." Toggle Anynet+ for that HDMI to test behavior. Reconfigure devices after changing CEC. [Elektroda, karolrkd, post #21395012]

Will Game Mode, HDR, or picture mode changes fix the blackout?

No. Changing picture modes does not solve a 120 fps incompatibility. The refresh rate setting is the root cause in this case. Keep the output at 60 Hz when using the MOES bar. [Elektroda, lukasz10874, post #21398306]

My HDMI 2.1 switch works without the MOES—what does that mean?

It shows the switch and cables are fine. The issue appears only when the MOES is inserted. That points to a compatibility or handshake limit with the bar. Continue using the switch alone for 120 Hz sessions. [Elektroda, lukasz10874, post #21395323]

Could bad HDMI cables be causing this?

Unlikely here. New and old cables both worked when tested directly with the switch and console. The problem returned only with the MOES in the chain. Keep your current cables if they already pass a stable signal. [Elektroda, lukasz10874, post #21394967]

Does Samsung’s Connection Guide help diagnose this?

It confirms basic wiring and power. The guide showed no issues, yet the bar lit only when the switch was unplugged. That points beyond cabling to refresh or handshake constraints. Use the guide, then test 60 Hz output. [Elektroda, lukasz10874, post #21395000]

Which scenarios most often trigger the failure?

Titles that enable 120 fps are the common trigger. In the thread, Monster Hunter Rise on PS5 caused the issue. After the TV advertised 120 Hz capability, the bar stopped working. Switch back to 60 Hz to restore lighting. [Elektroda, lukasz10874, post #21398306]

How can I quickly confirm if refresh rate is the culprit?

Force the console to 60 Hz or 4K60. Alternatively, set 1080p60 temporarily. If video stabilizes and lights work, 120 Hz was the cause. Return to 4K60 for normal use with the MOES. [Elektroda, lukasz10874, post #21398306]

How do I wire and power everything? (3‑step How‑To)

Follow this chain for initial setup:
  1. Connect PS5, Xbox, and decoder to the HDMI 2.1 switch inputs.
  2. Connect the switch output to MOES HDMI IN, then MOES HDMI OUT to the TV.
  3. Power the MOES, select the switch input, and verify 60 Hz output.
This mirrors the shared connection diagrams. [Elektroda, karolrkd, post #21394121]

Can I manually add or edit the device in Samsung’s source list to fix it?

The TV offers only an Edit option in this case, which did not change behavior. Manual add did not provide a workaround. Focus instead on refresh rate and CEC settings. [Elektroda, lukasz10874, post #21395654]

Will a 2.1 switch give me 4K120 if the MOES box stays in the chain?

No. An HDMI chain is limited by its lowest-spec device. HDMI 2.1 supports up to 48 Gbps and 4K120, but the MOES is HDMI 2.0. Expect a 4K60 ceiling when the bar is inline. [HDMI Forum, 2017]

Which TV HDMI port and settings should I use on the QE55Q77DAT?

Use any stable HDMI port, then enable Input Signal Plus for higher-bandwidth modes on that port. If CEC renaming disrupts detection, toggle Anynet+ off for that input. Reboot devices after changes. [Samsung Support, 2023]
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