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Windows 7: Nvidia GTX HDMI to Samsung TV, check signal cable


25 Mar 2012   #1

Windows Professional 64 bit
 
 
Nvidia GTX HDMI to Samsung TV, check signal cable

Hello

I just bought a new computer with a geforce 570 GTX with a mini hdmi output. This i wanted to connect to my samsung TV. First off, my PC only recognises a second monitor when my TV is connected at boot.

When i try to select HDMI source on the TV it's greyed out and i can't select it, because the TV doesnt detect a signal. I found a workaround for this, as i connect my laptop to my tv through HDMI (which works flawlessly), select source --> HDMI, then unplug my laptop, and plugin my new computer to the same input - meanwhile not touching the channels on the TV.

Now i get a picture on the TV from my new computer, it's crystal clear and actually works - but there is an error message across the TV screen: check signal cable - which never goes away. In addition the source HDMI is greyed out again, so if i navigate away from the source, i can't select it again. It seems like my TV doesnt detect that there actually are a signal, even though it's displaying it.

For troubleshooting i tried this: Tried 3 different cables of different lengths. My laptop to TV works flawlessly through HDMI - so it's not the port on the TV thats faulty. I tried connecting my new computer to my friends TV (a prosonic), and it works.

So i think it has to do with the combination of my new computer and my TV - as they apparantly works separately.

I also tried updating the firmware on my TV to the latest version. I tried updating GTX drivers (even tried a few older versions as well).

My new computer.
My TV: Samsung LE32B465B2W

I have googled my self to oblivion and searched different boards, but haven't been able to find a solution. A GREAT THANKS in advance to anyone who can solve this.

My System SpecsSystem Spec
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25 Mar 2012   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Welcome to Seven Forums letifere. Yours is a common issue, which you may have discovered in your search. I'm a TV tech, and I have run into this many times. It is not really a TV "problem", as the TV is working as designed. As you know the input will not show in the input list if there is no signal. Your TV also needs to do a "handshake" with the PC (any HDMI device).

It's possible if you boot the laptop with the TV already on, you may find the HDMI input becomes available (much as when you trick it).

1st off, are you plugging the HDMI from the PC into HDMI1 (DVI)? This is the input for connecting a PC.

I hate to say that many give up on HDMI from their PC and resort to DVI to HDMI adapters (there is a PC/DVI Audio in mini jack next to the HDMI1 (DVI) input).

I'd suggest speaking to Samsung customer support, as they have no doubt dealt with this many times, and might know a "trick"

A Guy
My System SpecsSystem Spec
13 Nov 2012   #3

Win 7 home premium 64-bit
 
 
Almost exact same problem

I had the almost exact same problem. except my samsung smart tv actually worked initially!!!?!? It has not at all since.

Nvidia control panel recognizes and acts as if its connected...eg cursor disappears to non existent screen.

I was wondering if there was an actual fix that works now...as opposed to calling Samsung support, which I have no desire to endure unless absolutely necessary!
My System SpecsSystem Spec
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13 Nov 2012   #4

Win 7 home premium 64-bit
 
 

I have tried everything you suggested btw...lol except for calling Samsung. My experience with any tech support over the phone has almost always has never produced results. I do have an DVI to HDMI cable hidden in the dungeons somewhere, but would rather not use that option as my EVGA GTX 580 only has 2 DVI outputs (both being used atm) and the mini HDMI port has, like i mentioned before, worked previoulsy. thanks again
My System SpecsSystem Spec
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 Nvidia GTX HDMI to Samsung TV, check signal cable




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