Win RESOLVED - Kodi GUI stretched at 3840x2160
#1
Hello all, just looking for some help.

Just purchased a Series 7 Samsung 55" UHD tv.

My Kodi runs to it as a 2nd display. Primary monitor on my PC is a 1920x1080 BenQ 144hz. I have managed to set the new TV at 3480x2160 in windows without issues, but when I launch Kodi, it defaults to its previous resolution of 1920x1080.

When I set the resolution in Kodi to 3840x2160 and apply it, it goes all sort of stretched, as if its only showing a quarter of everything, to the top left side.

Can't figure out where I'm going wrong. I just want to have Kodi natively running at 3840x2160.

Any help is appreciated.

Before changing resolution
Image

When set to 4k
Image
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#2
Really need some help on this. Have searched everywhere for any similar instances but cannot find anything.

Have tried a clean install of Windows and Kodi again, but exact same issue still.

Everything else can run fine to my Samsung JU7000 55" TV at 3840x2160. But whenever I set XBMC to that resolution to match the TV, it goes crazy and seems to be displaying it 4 times bigger or something, so on the TV all you can see is the top left corner of Kodi's GUI.

Has me stumped.
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#3
What type of hardware are you running Kodi from?
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#4
I'm pretty sure its a scaling issue. I've seen this on a Samsung tv connected as secondary monitor. Fixed it by setting the scaling to 100% for the tv. Windows automatically sets it at 150% for TV's. That wasnt a 4K tv though, so I am not sure how the scaling value should be set in your case.
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#5
(2015-08-02, 22:01)levi.baker88 Wrote: What type of hardware are you running Kodi from?

Runs from my PC with Windows 8.1 x64, everything up to date, latest Nvidea drivers, mb BIOS latest firmware etc.

i5 2500k @ 4.5Ghz
8gb Corsair Ripjaws Memory
Gigabyte GTX760 OC edition
Primary monitor - BenQ XL2411T - 1920x1080p @ 144hz - connected via DVI
Secondary Monitor: Samsung UA55JU7000 - running native @ 3480x2160 @ 60hz - connected via HDMI (plgged into Samsung smarthub on HDMI/DVI port, HDI type on TV set to PC/DVI)
TV specs - http://www.samsung.com/au/consumer/tv-au...JU7000WXXY

I do believe its some kind of scaling mix up between the GPU and the TV. I have read others can run Kodi GUI at 4k with no problem, not sure if it is skin dependent. Without Kodi running, TV is set at 4k resolution natively, 3840x2160. When I launch Kodi, Kodi is holding it's own resolution at 1920x1080, so it forces windows to drop back the TV resolution to match it. This works fine, running at 1080p. But when I try to either set Kodi to 4k, or Windows back to 4k resolution, it gets mixed up and seems to scale itself around x4 over.

I also just set it to 4k res while stretched and then tried playing a couple of 4k resolution videos I have, as well as some 480p ones, all videos are playing stretched out as well. So it's not just the GUI going nuts with scaling.

Before changing resolution
Image

When set to 4k
Image
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#6
First of all I'd tinker with your HDMI settings: you won't get UHD@60Hz using your gfx card as it "only" supports HDMI 1.4, but UHD@60Hz REQUIRES HDMI 2.0 (incorporating HDCP 2.2) or DisplayPort 1.2 (if I remember correctly), and as far as I know only the most current GeForce series (9xx) has HDMI 2.0 built in...
Bye,
Fry
Kodi v17.6 with shared MariaDB v10.3 | HTS Tvheadend 4.2.6 on RPi2 | running on:
Windows 10x64 | Nvidia Shield | FireTV4k | FireTVStick4 | Android 5 | RPi3 with OSMC
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#7
(2015-08-03, 08:12)Fry7 Wrote: First of all I'd tinker with your HDMI settings: you won't get UHD@60Hz using your gfx card as it "only" supports HDMI 1.4, but UHD@60Hz REQUIRES HDMI 2.0 (incorporating HDCP 2.2) or DisplayPort 1.2 (if I remember correctly), and as far as I know only the most current GeForce series (9xx) has HDMI 2.0 built in...

How come when I set the TV resolution within Windows to 3840x2160 @ 60hz it works fine. I can open Chrome and youtube 4k videos perfectly?

And I can also run MediaPlayerClassic dragged over to the TV screen with 4k content videos playing fine in full screen.
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#8
(2015-08-03, 08:25)Akme Wrote: How come when I set the TV resolution within Windows to 3840x2160 @ 60hz it works fine. I can open Chrome and youtube 4k videos perfectly?

And I can also run MediaPlayerClassic dragged over to the TV screen with 4k content videos playing fine in full screen.

Huh Don't know, I guess it reverts to 30Hz which would be ok for video...

At work I'm using a UHD monitor connected to my notebook's Nvidia 700?m gfx card, and I can get 2160p@60Hz using DP, but not HDMI: the highest I can get via HDMI@60Hz is 1440p, 2160p via HDMI@30Hz is unwatchable when using as a computer display...
Take a look at Wikipedia: https://en.wikipedia.org/wiki/HDMI#Version_comparison - it's all a matter of the bandwith that the HDMI versions can provide.
Bye,
Fry
Kodi v17.6 with shared MariaDB v10.3 | HTS Tvheadend 4.2.6 on RPi2 | running on:
Windows 10x64 | Nvidia Shield | FireTV4k | FireTVStick4 | Android 5 | RPi3 with OSMC
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#9
If it was not clear in my reaction, you can adjust the scaling for the tv in the display preferences of windows.
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#10
(2015-08-03, 22:02)BigNoid Wrote: If it was not clear in my reaction, you can adjust the scaling for the tv in the display preferences of windows.

(2015-08-03, 22:02)BigNoid Wrote: If it was not clear in my reaction, you can adjust the scaling for the tv in the display preferences of windows.

Give this man a fkn medal. Problem Resolved!!!!

Image

Adjusted the resolution options > make text and other items larger or smaller > and set it to 100%
When I launched Kodi, it opened at 1920x1080, but was only showing on a smaller size
Adjusted within Kodi to 4k resolution, and it worked.

Thanks BigNoid, had been driving me crazy, cheers bro.
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#11
Beautiful... Thank you!
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RESOLVED - Kodi GUI stretched at 3840x21600