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289 posts

Ultimate Geek
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Topic # 189511 2-Jan-2016 16:29
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Hi all. Having some issues and have been googling / playing around with little success so have given up and decided to ask the smart folks on here. Replaced my old Sony HD Tv with a Samsung 8000 series flatscreen. It's the 4k ultra HD model.  My setup has 4 items going through the receiver that feeds external speakers from the telly and I use that to switch source - Sky, Bluray, Game and HTPC. They receiver pushes the signal down a cable into one hdmi port on the samsung telly. The Receiver / Amp is a Denon 1713

Everything works fine except for the HTPC which is an i5 Intel NUC. Upon selecting the HTPC source I get a " Mode Not Supported  - Please change the resolution of your external device " appearing on the telly. This appears to be a samsung tv message and not a denon receiver message.  Tried different powering on sequences but no different. I do hear the windows startup jingle however.

If I bypass the HTPC and plug directly into the telly HDMI - it works just fine.   To get audio I then needed to play around with ARC to get sound back through the external speakers.  I understand what's happening and what buttons need pressed but the mrs is having some issues with all this. She just likes simple and wants the HTPC to also go through the amp.

Upon lots of googling I found a samsung page (http://support-us.samsung.com/cyber/popup/iframe/pop_troubleshooting_fr.jsp%3Fidx%3D153003) suggesting the refresh rate should be a minimum of 60hz. - So not the resolution but the refresh rate ? Checked and its currently 29hz. The HTPC has identified the TV just fine but has set a very low refresh rate. Changed this and for the first time appeared to get sound and vision through the receiver - but not sure if this was more to do with the multiple plugging and unplugging of HDMI's 

Rebooted the PC and back to the "Mode not supported screen". Swapped a few HDMI cables around. Got the desktop back onscreen and checked the refresh - it's back at 29Hz - THis is under the intel display graphics software.

If I check through the normal display mode under control panale and look at the generic pnp monitor prorperties it has it set at 59Hz.

So I'm getting  a bit frustrated and going around in circles / not fully understanding what the problem is.

Any suggestions to try or things to play around with to resolve this ?

Thanks


Ged


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289 posts

Ultimate Geek
+1 received by user: 3


  Reply # 1460634 3-Jan-2016 15:53
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Slight update. Now have all the normal SKY, DVD, Bluray etc going through the receiver. Also have the HTPC plugged directly into TV with optical audio out looped back into the receiver on Aux source. All appears stable. Still means we need to select different HDMI inputs on the telly ( HDMI 1 for Receiver and HDMI 2 for HTPC)  and then a different source (for sound) from the receiver if we want to flip between them.  If a bright spark can help me figure out what the mode not supported means on samsung tellies I'd be grateful.

I was also thinking I could just setup the Denon receiver to feed all sound from the TV back into each video source via the optical which would mean we only need to change HDMI channels on the tv to switch between sky and the HTPC ?  Not sure what we'd lose re sound channels though - is sky outputting 5.1 for example of mainly steroe ?    I have the denon currently feeding a front right, left, centre and Sub.

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Uber Geek
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  Reply # 1460646 3-Jan-2016 16:32
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If you feed everything into the TV, then into the amp via optical, your TV will most likely ever send stereo sound to your Denon.
So... no audio from your centre speaker unless you set the amp to fake it.

The obvious question is - have you updated your NUC's video driver recently?


 
 
 
 




289 posts

Ultimate Geek
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  Reply # 1460719 3-Jan-2016 17:57
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I'm faking it just now with the centre :)  

Will check re the drivers - they are worst case about 5 months old when it was disconnected prior to house renovations. The wierd thing is this setup worked previously - same denon amp and into a 5 year old Sony LCD so I'm guessing its a Amp - Samsung issue with the HTPC. 

I noticed the first time I connected it to the Samsung the resolution was incredibly high onscreen-  3840 X 2160 if memory serves me well and all the icons on the desktop were tiny. It's an Ultra HD / 4K telly.  I scaled it back to normal 1080 viewing.

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  Reply # 1460737 3-Jan-2016 18:41
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Chances are the reciever pre-dates 4k and you are seeing it pass the TV resolution information thru to the PC but managing to stuff it up.

Firmware updates for the reciever available at all? Tried any other sources capable of 4k via the reciever at all?

Can you VNC into the PC when its on the reciever and see what resolution it is setting itself to?




Richard rich.ms



289 posts

Ultimate Geek
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  Reply # 1460852 3-Jan-2016 23:45
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Thanks for those ideas. I will use teamviewer to have a look tomorrow when it's booting up.  Denon doesn't appear to do 4k or UltraHD passthrough so that may well be the issue if the tv is telling the HTPC it can accept a higher resolution.  

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  Reply # 1481046 29-Jan-2016 08:55
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This might seem like an obvious question, but what res. do you have the HTPC setup with? It'll have to be 1080 or less if the receiver doesn't support higher than that. Perhaps try a 720 resolution, or lower, and see how you go. 

 

Also bear in mind that many TV's won't output 5.1 over optical so you might want to check that if you're planning on using the HTPC to watch movies with surround sound. 


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