Samsung forum


LCD TV Won't recognize HDMI inputs

So I have an LCD TV Model No. LN40A530P1F. I've had the TV for several years and never had any problems but all of a sudden I'm trying to hook up my HD cable box with an HDMI cable and it's not picking up the input. I had this TV hooked up to this same model cable box (not the same exact cable box...same type) with an HDMI just a few months ago and it worked fine. All other inputs appear to be working - it picks up the cable box when I plug it in to the A/V input but I paid for HD cable so I want HD. My xbox is also plugged into a component input and works. I've tried all 3 HDMI inputs on my TV and none work - the TV doesn't seem to recognize that anything is plugged in. I hit refresh on the source list and it says it doesn't detect any new devices. My first instinct was to assume that Comcast gave me a faulty HDMI cable based on their well established commitment to being the worst cable company on earth, but I bought a new one and it doesn't work either. I also tried plugging my xbox in with HDMI and it doesn't work either so I think it's obviously a problem with the TV and not the cable box.

I went on live chat with Samsung and they were totally useless. All the rep did was ask me to check the firmware version and then she said that it was up to date - which I find hard to believe since I don't remember EVER updating it since I've owned the TV. But in any case I doubt it's the problem since I had an HD cable box hooked up to this TV without problems just a few months ago.

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All Answers

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Re: LCD TV Won't recognize HDMI inputs

In reply to: LCD TV Won't recognize HDMI inputs

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In reply to: Re: LCD TV Won't recognize HDMI inputs

Nope that didn't work either.

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Similar Problem, after several years

In reply to: Re:

Tonight, my Samsung LN40B630N started exhibiting a similar problem. None of the HDMI inputs would work, but a/v would. I started my Samsung DVD player with Anynet (?) capability and the TV did recognize the input, however ever since all of the HDMI inputs all show input from my cable box. Doesn't matter if I select 1, 2, or 3, they all show the input from 1.

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Re: Similar Problem, after several years

In reply to: Similar Problem, after several years

Hi garygreen5,

I'm very sorry for any inconvenience this may have caused you. Provided that none of the HDMI inputs work with multiple devices, such as Blu-ray players and video game players, but those same devices work on HDMI with other TVs, then this sounds like it may need servicing. Here's the thread where you can get details on setting that up:

HD Tech

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SOLUTION !!!!!!!

In reply to: LCD TV Won't recognize HDMI inputs

Attention ! I have fight for a week with my Samsung Smart TV and I was sure that it does not work. MISTAKE ! Forget the way to reboot etc. The problem is in the cables ! I connected 3 different HDMI cables. If they are too big, it does not work. After connecting 2 great Monster cables I connected a cheap one with a small diameter and it works ( cable box to TV). About desktop PC. It does not see the VGA ( classic pc cable) but it sees the DVI ( the one with a larger head and an extra spear just close to the other 3 lines of spears ) . Buy a cable with DVI male on one extremity and HDMI on the other end. For the consoles you can use their original cable. Read what it is written in the TV HDMI port. They are not all the same. Remember to connect the PC cable in the HDMI / DVI port

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