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No signal when using uhd colour on samsung tv with 1080ti

paulpiazza

paulpiazza

paulpiazza

Associate
Joined
23 Jun 2014
Posts
46
Hi Guys,

I have a problem that is really bugging me with my TV and graphics card and it goes as the title suggests.

I have a Samsung 4k HDR TV model ue55js8500 that has a bit of a problem when linked with my zotac amp extreme 1080ti.
It all started when I first tried to install the 1080ti. I originally had an EVGA 980sc that was working well with this TV but then I decided to upgrade some time ago, when I put the new card in I got the boot logo but then nothing after the windows logo. Ok I thought, go intro safe mode and uninstall the drivers and start again, This all worked until I reinstalled the drivers at which point it did the same. Essentially the pc was working but my TV was saying no signal at the input.
I eventually worked out why this was happening and it was a setting on my TV (the UHD colour setting was turned on) once I turned this off it worked fine and I kicked myself for doing so many installs before I realised.
My question is that why did it work with the UHD colour setting on the 980 and not the 1080ti. I can also see in the NVidia control panel that my colour options are limited and I can no longer see the RGB and full or 10 or 12 bit options (that I used to be able to see with my old card), I can seem to get this if I drop to 30hz from the 60hz that I am currently set at but that would say to me that I need to turn on the UHD colour on my TV again to allow the bit rate to be high enough, But every time I turn it on it just gives me the no signal input message on the TV as before. It is in the same hdmi slot as with my old card so in theory this should not have changed, and is the same cable as before (which is rated to cope with the data transfer rate) I have looked on various forums to find people have had similar problems but no solution. I have tried all the hdmi ports on my TV and also tried to change the input type as others have suggested on other answers to similar problems (ie pc or blu ray).
I originally left this thinking a driver update would fix it, but it has been 6 months now, I am on the latest windows and NVidia drivers, and my TV bios is all up to date so I'm pulling my hair out.
It isn't stopping me gaming but it is annoying me to the point I have had to reach out.

Thanks in advance guys!
 
What your PC full spec?

After you installed GTX 1080Ti and powered on PC you got boot logo but Windows logo? If you used Windows 10, it looked like you installed Windows 10 on Legacy BIOS Mode then you installed the wrong way so you should boot Windows 10 USB in UEFI and it will install Windows 10 on UEFI Mode then when you power on PC next time and you will see boot logo then lock screen compared to boot logo then windows logo then lock screen on Legacy BIOS Mode. Maxwell cards like GTX 970/980 had hybrid Legacy BIOS and UEFI firmware while Pascal cards are fully UEFI firmware.

I googled UHD colour setting so I assumed you talked about HDMI UHD Color?

http://www.samsung.com/lb/support/skp/faq/1128703/

If it is what you mean then HDMI UHD Color is other name for HDR.

I googled further found a guy on Geforce forum who has GTX 1080 Ti and same Samsung JS8500 4K UHDTV had HDR worked but experienced washed out display but never had no signal TV input.

https://forums.geforce.com/default/topic/1003426/geforce-1000-series/hdr-problem/1/
https://answers.microsoft.com/en-us...r/2a3d49b5-fd94-4671-b14c-519ec4a7eb99?auth=1

It looked like it not driver issue, Windows 10 override HDR control from Nvidia, AMD and Intel so maybe install Windows 10 on UEFI Mode will fix your issue. If not then maybe other settings in Windows 10 need to turn on or off, try All Settings/System/Display to see if HDR and Advanced Color is on or off. In Nvidia control panel, use default colour settings instead of NVIDIA colour settings.
 
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Thanks for your replies guys, think I am going to try the hdmi cable as it's the easiest thing to rule out first. Just strange it worked with my old card. Not really keen on reinstalling windows but will if it needs it. Let's see what the new hdmi cable yields first. Thanks again for your comments and I will keep you posted.
 
paulpiazza said:
Thanks for your replies guys, think I am going to try the hdmi cable as it's the easiest thing to rule out first. Just strange it worked with my old card. Not really keen on reinstalling windows but will if it needs it. Let's see what the new hdmi cable yields first. Thanks again for your comments and I will keep you posted.
Click to expand...

Well you not keen to reinstalling Windows so I goggled convert Windows 10 Legacy BIOS Mode to UEFI Mode and found a good link with youtube guide.

https://www.tenforums.com/tutorials/81502-convert-windows-10-legacy-bios-uefi-without-data-loss.html

If you have Windows 10 Creators Update or Fall Creators Update, they has MBR2GPT tool to convert Legacy BIOS Mode to UEFI Mode easy way without need to backup and reinstall Windows to convert Windows 10 Legacy BIOS Mode to UEFI Mode. :)
 
So guys, thanks for your replies. The plot thickens for me though. I tried a new hdmi cable and when I turned the Uhd colour setting on the tv on this time it worked. So it definitely seems like it is the cable. I still have problems though. The hdr option now appears in the settings and when I turn it on the colours are really dull and washed out. When I play a film with hdr it brightens up a bit but then the picture keeps turning off and then on again. I have also seen speckles on the tv and even a sound issue once. I think it might be to do with my cable length as it is 5m long. I am going to send the cable I have bought back to amazon as it states it is good for the data I am trying to put through it and will buy a much better one and get it as short as I can manage and see how I go from there. Unless you guys have any other ideas.

Thanks again for taking the time to reply.
 
Just buy the amazon hdmi basics cable that should be more than good enough its what i use with all my 4k gear dont go spending lots of money on expensive hdmi cables.
 
paulpiazza said:
So guys, thanks for your replies. The plot thickens for me though. I tried a new hdmi cable and when I turned the Uhd colour setting on the tv on this time it worked. So it definitely seems like it is the cable. I still have problems though. The hdr option now appears in the settings and when I turn it on the colours are really dull and washed out. When I play a film with hdr it brightens up a bit but then the picture keeps turning off and then on again. I have also seen speckles on the tv and even a sound issue once. I think it might be to do with my cable length as it is 5m long. I am going to send the cable I have bought back to amazon as it states it is good for the data I am trying to put through it and will buy a much better one and get it as short as I can manage and see how I go from there. Unless you guys have any other ideas.

Thanks again for taking the time to reply.
Click to expand...
washed out colours thats a problem with bloody windows. every time it updates for me something goes wrong with hdr. speckles and flashing picture thats still the cable. 5m is a lot for hdmi 2.0.

btw. what player are you using for hdr videos.? cant wait for kodi to finally support it.
 
I'm not sure how it works with your particular setup with regards to hdr and 12 bit but a lot of people with decent monitors forget to set them up correctly or don't know about setting them up properly to get their full colour range.

Firstly make sure you have enabled your max HDMI RGB range using your monitors on screen display settings, with the standard setting being (16~235) change this to (0~255) screenshot https://i.imgur.com/Z8lNXZK.jpg , on a hdr tv this might be done with simply enabling hdr it can be checked if it is working by seeing if it allows you to select the full option in the next part of this explanation. After making sure the monitor is sending out the right rgb range go to nvidia control panel, then under display on the left click resolution at this point scroll down and select the option to use nvidia settings set your output colour depth to the max it allows (8 in my case) and change output dynamic range to full, if the option to enable full is not there or not selectable then the monitor/tv is not sending out the the full colour range so go back to your monitor osd and try to find what looks close to the info above.
 
HDR has been broken on Windows for about 10 months now. It's ridiculous.

What used to happen was the Windows desktop would be SDR, and HDR would turn on when you started a game such as Shadow Warrior 2 and it worked fine.

I have a decent HDMI cable but on mine I can't have HDR and Nvidia audio enabled at the same time. The way it works now is that HDR is on all the time (My LG B6 tells you when a HDR signal is being received) but the desktop is washed out and games often don't start properly unless I turn audio off. The reason I use Nvidia HDMI audio is because you can get Dolby Atmos in certain games (Battlefield 1 for example) and I use it to passthrough True HD and DTS MA in Kodi.

I ended up getting an Xbox One X because I was so fed up faffing about with it.

That just works...
 
I have a 7/8m basics HDMI 2.0a lead and it works fine for HDR on my Samsung KS8000 with sound output. I still have the annoying issue where HDR enables on the desktop leading to a dim display etc, when games launch everything runs normally and looks great. That's using 4:2:0 and 10bit colour.
 
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