Level 1

4 points

Apple TV 4K NO SIGNAL/INPUT issue

I bought the Apple TV 4K 2022.

I have a Samsung 2022 4K TV.

There is a random problem: when the TV has been turned off for several hours or overnight, the TV says NO SIGNAL when I open the Apple TV with the Apple TV controller. I have to manually select the HDMI source with the TV controller and the signal comes back.

This problem can happen once every two or three days.

This problem never happens when the TV has been turned off for one or two hours.

I tried another cable and another HDMI socket and I have the same problem.

I didn't have this issue with my other 2013 Samsung HDTV and the same Apple TV 4K.

I understand that this problem has been happening for a few years with the Apple TV 4K.

Does anyone have this same problem?

Apple TV 4K (3rd generation)

Posted on Jun 9, 2023 6:49 PM

Top-ranking reply

Sting74 Author

Level 1

4 points

Posted on Jul 1, 2023 10:13 AM

I think I have solved the issue by turning OFF the "INPUT SIGNAL PLUS" option on the Samsung TV.

This is strange because INPUT SIGNAL PLUS is supposed to expand and have a better HDMI signal AND allow HDR to be outputed by and external device (Apple TV).

But even with INPUT SIGNAL PLUS turned OFF, my Apple TV is still outputing an HDR/HDR10+ image on the TV.

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47 replies

hcsitas

Level 6

13,964 points

Jun 28, 2023 8:15 AM in response to Sting74

How long is the cable?

Sting74 Author

Level 1

4 points

Jun 28, 2023 8:16 AM in response to hcsitas

I tried a 10 feet and a 6 feet. Same result.

Sting74 Author

Level 1

4 points

Jun 28, 2023 8:21 AM in response to hcsitas

Cannot go under 6ft because of my setup.

hcsitas

Level 6

13,964 points

Jun 28, 2023 8:26 AM in response to Sting74

Then you’re stuck with the problem, sorry. Good luck anyways.

Sting74 Author

Level 1

4 points

Jul 1, 2023 10:50 AM in response to hcsitas

Thanks for you answer !

I bought two new certified HDMI 2.1 Hi-Speed cables from different brands and I had the same results (one is an 6 feet cable and the other one is an 10 feet cable).

hcsitas

Level 6

13,964 points

Jul 1, 2023 11:01 AM in response to Sting74

Ignore that, Apple gets easy money listing 3rd party products. It is not an endorsement of any sort. The Apple TV can be taped to the back of the TV, many do. You might even find stands that do that.

Sting74 Author

Level 1

4 points

Jul 1, 2023 11:04 AM in response to hcsitas

Good idea ! Do you have a suggestion of a good shorter cable that I can buy ? On Amazon there is a tousand different brands and it is difficult to know wich one is good.

hcsitas

Level 6

13,964 points

Jul 1, 2023 11:06 AM in response to Sting74

Any brand will do - pick the one best rated with free shipping. Short cables are the same across all brands, there’s not much that can go wrong.

Sting74 Author

Level 1

4 points

Jul 1, 2023 11:10 AM in response to hcsitas

Ok thank you. I will look for an Apple TV stand and a shorter cable.

hcsitas

Level 6

13,964 points

Jul 1, 2023 11:10 AM in response to Sting74

👍🍻

Sting74 Author

Level 1

4 points

Jul 1, 2023 2:10 PM in response to hcsitas

I bought an Elgato stand and a 3 feet UGREEN HDMI cable on Amazon. I will receive my package tomorrow.

hcsitas

Level 6

13,964 points

Jul 1, 2023 9:02 PM in response to Sting74

Great, look forward to your update!

Sting74 Author

Level 1

4 points

Jul 2, 2023 7:17 AM in response to hcsitas

Thanks for your help ! I will give you an update this week :)

hcsitas

Level 6

13,964 points

Jul 2, 2023 7:18 AM in response to Sting74

👍🤞

Vancouver22

Level 8

37,628 points

Jul 3, 2023 2:12 PM in response to Sting74

My cable is 3 ft and like I said earlier this issue happens when I’ve not used the tv in a few days. I have a Sony.

Let us know if you figure it out.

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Apple TV 4K NO SIGNAL/INPUT issue