pixxelpusher
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Hi all, have a really weird problem that I've never seen before and I can't seem to fix. I've recently done a clean install of Windows 10 on a new drive and have just noticed in the Display control panels that there are 2 monitors showing, however I only have one attached. When I click on the second monitor it doesn't have any resolution settings and I can't seem to change anything with it. It also show's up under Device Manager as a Generic Non-PNP Monitor. However, if I look under the Nvidia control panel it only shows 1 monitor. The other odd thing is that my real monitor is listed as number 2 in the Display control panel with the ghost monitor as number 1. I've tried removing the Nvidia drivers in safe mode using DDU and then re-installing them, and also uninstalling the ghost monitor in Device Manager, but nothing works. If I select it to be in extended mode it actually seems to span onto the mystery ghost monitor as my mouse moves off the screen into no mans land. When I go back to my Windows 7 drive all is good, the system only shows one monitor is attached. Does anyone have any ideas?
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the_Scarlet_one
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/30 05:53:15
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Turn off the internal gpu on the cpu if you are using a 6700k or smaller. If your iGPU is enabled, it will display a ghost monitor occasionally.
Just go into the bios at boot, and search for internal gpu, and disable it.
Let me know if that works please. If not, we will try some other things.
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/30 06:07:23
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Hi thanks for the suggestion, but my desktop doesn't have an integrated GPU, its processor is a Xeon X5680. Also, I've tried taking the GTX 980 out and putting in my very old Geforce GT 120, and the ghost monitor goes away. I put the GTX 980 back in and it's back again. Also like I mentioned, it's only happening in Windows 10.
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the_Scarlet_one
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/30 06:19:44
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Check in the device manager, and see if it is picking up anything any flagged devices.
Also, if you go into the windows settings for resolution, you should be able to right click and hide, so you may be able to try that and see if it works.
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/30 18:52:46
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I have checked the Device Manager and there are no flagged devices. I went through all the drop downs and all the devices listed seem to be ok. I've attached a screenshot of just the display ones so you can see. Also, in the resolution settings I can't click on anything for the ghost monitor as everything is greyed out. I can't right click on anything either, nothing happens when I try. I've attached a screenshot of what it looks like in the screen resolution panel, and the settings panel.
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/30 19:05:15
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Also some screenshots of what I get in Devices and Printers. I tried removing it from there as well, but it keeps coming back.
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the_Scarlet_one
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/30 19:10:05
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I wonder if the GTX 980 has something in one of the video out ports that is causing it to register a monitor. Was the card brand new when you purchase it?
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bob16314
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/30 22:59:49
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Driver 368.22?..Someone also using Win10, GTX 980's and multi-monitor mentioned that over at the GeForce Forums in Post #22..Might uninstall it with DDU and try an older driver and see what happens..Next driver release, whenever that will be, might fix it if that's what it is.
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 10:01:12
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@Scarlet-Tech I've taken the card out and looked in all the ports and they are clean. The card is actually a RMA from EVGA that I got at the start of the year. It's been working fine and like I mentioned doesn't show any other displays in Windows 7. I even tried putting it in another PCI slot, but still the same. @bob16314 Yes I am running the 368.22 drivers. I did go back into safe mode and use DDU to nuke the drivers. Also thought I'd nuke the AMD and Intel ones at the same time (but I don't think I would have had any installed). I rolled back to the 365.19 drivers, but no change. I'm not sure what else to try. I was hoping there would be a magic terminal command or something that would fix it.
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Sajin
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 11:02:23
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Just disable the other one inside device manager.
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ty_ger07
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 16:26:29
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Sajin Just disable the other one inside device manager.
+1. I was going to say the same thing. In device manager, right-click it and select disable. It will stay listed there in device manager with a red X (or some similar symbol) over the icon but shouldn't appear any more anywhere else.
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 21:17:30
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@Sajin @ty_ger07 Yes I've tried this multiple times (even mentioned it in my initial message). It doesn't do anything and the ghost display remains as a display in the display preferences. It's not active (as I've made it only use desktop 2) but it's still there. The other symptom of this is I think it's causing my computer to not be able to sleep. I can shutdown or restart only, and from all my reading most say it has to do with a display issue.
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Sajin
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 21:21:49
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pixxelpusher @Sajin @ty_ger07 Yes I've tried this multiple times (even mentioned it in my initial message). It doesn't do anything and the ghost display remains as a display in the display preferences. It's not active (as I've made it only use desktop 2) but it's still there. The other symptom of this is I think it's causing my computer to not be able to sleep. I can shutdown or restart only, and from all my reading most say it has to do with a display issue.
In your OP you said you tried uninstalling it not just disabling it.
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Sajin
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 21:47:57
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Try disabling via device manger, reboot pc, recheck display preferences.
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 21:48:21
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Sorry yes that's what I meant, I should have been clearer. I've attached a screenshot of all the main display screens. As you can see, the ghost display is disabled but it still shows up in the display settings, but not in the Nvidia settings (which now kind of makes me think there's something going on deeper in Windows causing it, maybe a registry error or something? - I know nothing about registry stuff).
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 22:15:54
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Ok I think I've found a reference to the ghost monitor!!! in regedit using info on this site: http://myitforum.com/myitforumwp/2012/09/24/cleaning-up-old-pc-monitor-data/ It sits here: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\DISPLAY I've attached a screenshot of what I've got listed as "Default Monitor". That's a pretty old site (2012), can I do just as he says and delete the DISPLAY key?
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Sajin
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 22:24:23
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I have the exact same key on my system. It's not causing any issues for me. I wouldn't delete it. You can try it though if you want. Be prepared to boot into safe mode to restore the registry if you break something. Only difference between mine and yours is configflags reads as 0 instead of 1.
post edited by Sajin - 2016/05/31 22:33:15
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 23:31:47
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It didn't make any difference. I managed to delete the DISPLAY key (after changing all the permissions to be my user), but after restart it has rebuilt it like it was before. But now my configflags reads 0 like yours. I'm almost thinking a clean wipe might be the only way to go.
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Sajin
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 23:34:20
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pixxelpusher I'm almost thinking a clean wipe might be the only way to go.
Haven't you already done that?
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 23:49:20
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Yes I did start from a clean install (not to confuse it with an os upgrade), but after the install Windows went crazy doing updates, and then I installed a whole lot of other software before I really noticed this issue. If I was to do it again I'd unplug the ethernet so no updates occur and run stuff like OOSU10 and wushowhide straight away to force auto-updates off. That way I could tell if it's something straight from initial install or something that creeps in with an update etc. I can't think of anything else to try that's all? Any other ideas?
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Sajin
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/05/31 23:56:28
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Nope. Guess it's time to reinstall.
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/06/07 04:23:37
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Thought I'd post an update, and sadly the clean install didn't help. As soon as it loaded up the ghost monitor was there and unable to remove (other than telling the Displays menu to be Screen 2 only). So I think I'm just going to have to live with it. There were a few thing's I've found out over the last few days that may be causing this problem, but I can't pinpoint it down to any of them in particular. It may be purely an oddity of Windows 10 + Nvidia drivers + My specific video card. A few quirks of doing the clean install was that the GTX 980 wasn't recognised at all. Load up the USB installer and just a black screen. It was never found. So I had to connect my monitor to my old video card (a Nvidia 9500 GT) to be able to see the installer. The problem with that is that after reading and trying forever to get the 9500 GT drivers to work, I found out that there actually aren't any 9500 GT drivers for Windows 10, it's been completely dropped from installer (Nvidia installer would say no hardware was found). So that's why I was getting the Generic Windows Display driver showing up on it. Going through the Auto Windows Update it did find a 9500 GT Driver Update that managed to install, but it would always crash and then on restart go into a endless crash loop. I could only break the loop by booting into safe mode and switching the driver back to the generic Windows one. I'm not sure where Windows is finding that update but it's obviously not compatible with Windows 10 (and was almost impossible to not install as the auto update kept wanting to install it). So once I got Windows up with both the 9500 GT and GTX 980 inside, the GTX 980 showed as a Generic VGA device, but now the Nvidia drivers would install. And I could restart the machine with only the GTX 980 in there with my monitor connected to it. Another quirk was that when I had both cards running, in Device Manager it would say on the 980 "This device is not working properly because Windows cannot load the drivers required for this device. (Code 31)." So I don't think it liked both cards being there at the same time, but that's the only way I could use it. Once I took the 9500 GT out the message went away. So I'm not sure if any of that is where the problems came from. The downfall of this is that I can't go into safe mode with the GTX 980, I just get a black screen as I'm assuming it doesn't load the Nvidia drivers which the 980 needs to work (the generic MS ones won't work with it). The other thing to note is that to get my PCI SSD adapter working correctly I had to install Windows 10 in EFI mode - which was the reason I did the clean install in the first place. And from reading more about it, that can cause problems with video cards and give sleep issues as well (I don't have sleep at all). So maybe that's what's doing it. I don't have a spare hard drive at the moment, or the time, but I'd like to install Windows 10 in BIOS or Legacy mode and see if that fixes anything (though using it in that mode isn't really an option for me). I also read that running this command "powercfg -a" show's any power issues. Under all the readout's it said "graphics" as the problem, which I already kinda knew, just not how to fix it.
post edited by pixxelpusher - 2016/06/07 04:26:01
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Sajin
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/06/07 11:53:50
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After doing a clean install of window 10 did you let windows 10 fully update before you started to install the latest drivers?
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pixxelpusher
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Re: GTX 980 SC + Windows 10 - Mystery Ghost 2nd Monitor Problem
2016/06/08 01:09:39
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Yeah, apart from that 9500 driver that Windows Auto Update kept throwing down my throat and kept crashing the system (until deleted). All other updates installed successfully. Installing the 980 was the last thing I did once everything else was up and running.
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