Shez Posted September 12, 2017 Share Posted September 12, 2017 I've been tearing my remaining hair out even more of late over any computer or laptop I encounter with an intel HD graphics card. It seems that the resolution that one gets out of it bears little if any resemblance to what you set it to. E.G. setting it to 1920x1080 sometimes actually outputs 1400x1050 and setting it to 1280x800 produces an output of 1024x768. This is always when using two outputs but whether they're cloned or extended doesn't seem to make a difference. Are there any tricks with these to get them to output what you actually want? Sometimes just changing the refresh rate is enough for it completely change the resolution. It's a bit like that setting sets the internal desktop size but there's a scaler on each output over which you have no control. It also doesn't seem to make much difference whether you're connecting just RGBHV or all the other pins too so perhaps not an EDID issue. Any thoughts or experiences much appreciated. Link to comment Share on other sites More sharing options...
david.elsbury Posted September 13, 2017 Share Posted September 13, 2017 What are you going into? Can't say I've ever had an issue where I get different resolution to what I set?!? Link to comment Share on other sites More sharing options...
Shez Posted September 13, 2017 Author Share Posted September 13, 2017 I've seen it now with projectors, flat panels and scalers. And computer monitors. Link to comment Share on other sites More sharing options...
timsabre Posted September 13, 2017 Share Posted September 13, 2017 Just Windows 10 or other OS?I am having all sorts of fun with the video outputs of W10, it does various random stuff and there's no way to override it. At the moment I have a pc with 2 monitors and W10 insists one of them isn't there. Works fine on W7 same hardware. Link to comment Share on other sites More sharing options...
Shez Posted September 13, 2017 Author Share Posted September 13, 2017 All the incidents over the last couple of weeks have been windows 10. But I've seen it on 7 too. One of my current issues is with a set of computers with a large touch screen and local monitor attached. Local monitor is always fine but windows will occasionally decide to switch to single rather than clone so the big screen stays blank. It does detect that it's there, just doesn't output anything to it. And I had multiple instances of the touchscreen getting 4k and the local monitor getting 1680x1050 despite the graphics control panel saying they were both getting 1080! Solved for the moment with HDMI splitters so only a single output is used but I'd love to know why it's happening. Edit: typo Link to comment Share on other sites More sharing options...
Joe Fernand Posted September 13, 2017 Share Posted September 13, 2017 Try reading the Display EDID - some of them are pretty messed up! http://www.entechtaiwan.com/util/moninfo.shtm We supply a lot of HDFury DR HDMI, Integral and Linker to folk who need a device which ensures their Source Outputs what they want it to Output. https://tmfsolutions.co.uk/brand/hd-fury/ Joe Link to comment Share on other sites More sharing options...
pstewart Posted September 13, 2017 Share Posted September 13, 2017 In the Intel HD Graphics Control Panel - do you have settings under Scaling? I think "Maintain Display Scaling" is the one you need, but you might want to experiment with those. Philip Link to comment Share on other sites More sharing options...
Shez Posted September 15, 2017 Author Share Posted September 15, 2017 Yeah I've tried each setting there but haven't yet found that one consistently works. I think I'm going to have to sit down and go through every setting repeatedly and try to map out exactly which settings produce which outputs and see whether it happens absolutely consistently or with some degree of randomness. It does feel a little random though. Link to comment Share on other sites More sharing options...
Tim gregory Posted September 17, 2017 Share Posted September 17, 2017 I've just put a post on another forum about this same issue! I am trying to get a 720p output into an Atem from an Intel HD laptop. The annoying thing is I intentionally brought a laptop with Nvidia graphics for this reason. I failed to realise that the laptop has dual graphics cards and the resolution is handled by the Intel one. Basically the Intel cards output whatever resolution the monitor is sending back in its Edid data. Changing the resolution on Windows just scales a smaller resolution to that Edid resolution. Annoying when you need a very specific resolution for the video mixer! I don't think most people notice as it looks different when they change resolution. The info menu on a monitor if will normally give details on what resolution it is actually receiving. There is some info online about overwriting the Edid in the registry http://freaktab.com/forum/tv-player-support/intel-based-tv-players/pipo-x7-tv-player/25014-tutorial-how-I-fixed-my-hd-ready-overscan-issue I have also read that there may be a GPU scaling option which I will look for when I am back on site. In a PC I always fit Nvidia cards as they seem to work best and output the resolution they are set to. I have had the same issue on previous versions of Windows so it's not a 10 issue. Tim Link to comment Share on other sites More sharing options...
dosxuk Posted September 17, 2017 Share Posted September 17, 2017 I've got lots of systems with Intel graphics used to feed Atems, and never had a problem, even with interlaced resolutions (which I've found a nightmare to enable in nVidia cards and get them to stick to). The systems certainly don't behave as you state above. Link to comment Share on other sites More sharing options...
Tim gregory Posted September 17, 2017 Share Posted September 17, 2017 Is that on laptops? I have previously had issues getting SD resolution out of Intel even though Windows said it was outputting correctly. I ended up running Linux, used modelines to set the resolution and ran Windows programs with an emulator...I've never had an issue getting the right output on multiple Nvidia cards even SD interlaced. I've had a quick play this morning and can't get 720p out to the Atem despite the settings showing as 1280x720@50hz (with the same setup on the Atem). Slightly frustrated! Tim Link to comment Share on other sites More sharing options...
dosxuk Posted September 17, 2017 Share Posted September 17, 2017 Laptops, tablets and desktops. I've never tried to configure an NVidia output with the Intel software, but that is where my suspicions would lie, with either the NVidia card or the Intel software trying to be too clever. Link to comment Share on other sites More sharing options...
smalljoshua Posted September 17, 2017 Share Posted September 17, 2017 I've just spent today messing around with laptops for this. All Intel HD on Win10. All very workable however I've got a splitter on each one which outputs every EDID option under the sun. Josh Link to comment Share on other sites More sharing options...
Tim gregory Posted September 17, 2017 Share Posted September 17, 2017 Yep I've just tried and it works straight away if I put an EDID emulator between the Atem and laptop. No joy without it though and I was hoping not to have to use the emulator permently. Tim Link to comment Share on other sites More sharing options...
smalljoshua Posted September 17, 2017 Share Posted September 17, 2017 On the Intel Graphics Control Panel, you can set a custom resolution under Display > Custom Resolutions which should let you do it too. Josh Link to comment Share on other sites More sharing options...
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