skygray
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Hi. This is frustrating. I've tried everything. I have three Dell UP2414Q 4k monitors all connected to my top GTX980 via displayport. (so that they all get 60hz refresh rate) I am using the SLi bridge that came with my motherboard. I installed fresh windows 8.1, did windows updates until I'm current. I installed the latest nvidia drivers for the card. When I boot up, the monitors come out of sleep, then the keyboard backlight comes on, then I see windows start screen, then screen goes black, then keyboard backlight turns off, then it hangs there. Sometimes after a few minutes it eventually boots into windows with no error messages as if nothing went wrong. Other times, it stay on the black screen and never makes it to the desktop. I had the last drivers installed, and used driver cleaner and then installed the current ones and it made no difference. I reinstalled windows 8.1 and it made no difference. I've enabled and disabled SLi via drivers and that makes no difference. I have a 5930k 6-core cpu, 16gb ddr4 3000, 512gb m.2 xp941 ssd for my games, and a 128gb vertex 3 for windows, and the 980's in sli. 1200w evga psu. I don't believe a computer with these specs should be booting this slow. I checked event viewer in windows and got 4x "Error", source is "nvlddmkm". Isn't that an nvidia driver? If you look at the screenshot of my event viewer, you can see 8 events for nvlddmkm, and at the very top when it finally booted, one saying "Display driver nvlddmkm stopped responding an dhas successfully recovered. Oh, and the weird thing is, the graphics cards work great. Once I'm booted into windows, I can game for hours. I literally gamed all weekend and left my computer on and it never crashed or had a single problem. It only has issues upon bootup of win 8.1. Any ideas? I'm really tired of messing with this. I had there three monitors on sli 780's a couple weeks ago, center one via displayport and the side ones via dvi and I never had this issue. That was also windows 8.1 Can the card not handle three 4k monitors at 60hz during bootup or something?
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skygray
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 08:58:22
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I tried a few new things and it booted quickly this time but I had to reenable my side monitors. (only center one came up, and windows had the side ones set to "Disconnected". Upon switching them to "extend desktop", driver stopped responding. FRESH windows 8.1 install, ALL updates, no overclock. WHAT THE HECK. What I changed was in msconfig, the bootup tab, I checked "No GUI boot", and under advanced options, I set number of processors to 12. I also installed the drivers for my monitors, though I haven't had to do that ever, but at this point, it's worth a shot.
post edited by skygray - 2014/11/22 09:01:01
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rjohnson11
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 09:02:33
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☄ Helpfulby XrayMan 2014/12/03 20:03:34
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skygray
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 09:04:33
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rjohnson11 Are you willing to try this?
Don't know if it will help or not
Wow, didn't see this! I'll give it a shot!
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skygray
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 09:18:15
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Did clean install of that new driver. Since I did a clean install, the first thing I did was go into drivers to turn sli back on. As soon as I clicked apply, the screens went black and never came back on. I gave it 5 minutes. Rebooted, and now it won't boot into windows at all. Screen comes on to show the windows 8 logo, but goes black after that. :( this really sucks
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Shanester44
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 09:53:08
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I here ya. Just spent the better part of last night trying to get my monitors up and running with display port. Finally got them all working this morning. Hallelujah!!!
post edited by rjohnson11 - 2014/11/22 10:23:51
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skygray
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 09:56:48
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I had to boot to safemode, uninstall that beta driver, then reinstall the last driver. That beta one was worse than the whql one. Sigh. Same monitors/hardware worked fine with my 780's in sli on the exact same OS with exact same everything, so I know it's a half-baked driver problem with the 980's and displayport.
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Shanester44
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 10:06:28
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Wow! Not sure who my last comment was HUGE! I didn't boot to safe mode but I did plug my top GPU into my DELL Ultrasharp U3011 via DVI. Then rebooted. Then plugged in my DP and made sure it was recognized. Unplugged my DVI and made sure I got a picture. I did this each time with each monitor and so far so good.
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rjohnson11
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 10:24:29
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Shanester44 Wow! Not sure who my last comment was HUGE! I didn't boot to safe mode but I did plug my top GPU into my DELL Ultrasharp U3011 via DVI. Then rebooted. Then plugged in my DP and made sure it was recognized. Unplugged my DVI and made sure I got a picture. I did this each time with each monitor and so far so good.
I reduced the font size of post number 6
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chizow
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Re: SLi GTX 980's, triple 4k monitors, all via displayport, windows 8.1, boot problems
2014/11/22 12:32:33
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☄ Helpfulby XrayMan 2014/12/03 20:04:01
skygray I had to boot to safemode, uninstall that beta driver, then reinstall the last driver. That beta one was worse than the whql one. Sigh. Same monitors/hardware worked fine with my 780's in sli on the exact same OS with exact same everything, so I know it's a half-baked driver problem with the 980's and displayport.
Have you updated to your board's latest BIOS? I've seen a lot of compatibility issues with new graphics cards get resolved with mobo BIOS updates, so I'd check there first if your 780s had no problems on the same platform with same monitors. X99 in general has been pretty crazy in terms of problems and each BIOS makes it a more stable platform. Also, did you enable Fast Boot for Win8? You can try disabling it (I know seems counter-intuitive), but when you enable fast boot the BIOS doesn't do its normal POST and hardware enumeration and relies on the driver, which could be causing the stalls once the OS is loaded and doesn't know how to address the hardware. I would also break things down a bit and simplify and test this way: 1x980 + 1xmonitor 1x980 + 2xmonitor 1x980 + 3xmonitor 2x980 + 1xmonitor ... 2x980 + 3 monitor etc. and see how far along you get before something breaks. I am currently running 2x DP monitors with just a single 980 right now on X99, however adding a 3rd DP connection resulted in wavy/fuzziness. I have not checked again to see if the hotfix driver fixed this yet though.
Intel Core i7 5930K @4.5GHz | Gigabyte X99 Gaming 5 | Win8.1 Pro x64 | Corsair H105 2x Nvidia GeForce Titan X SLI | Asus ROG Swift 144Hz 3D Vision G-Sync LCD | 2xDell U2410 | 32GB Acer XPG DDR4 2800 Samsung 850 Pro 256GB | Samsung 840EVO 4x1TB RAID 0 | Seagate 2TB SSHD Yamaha VSX-677 A/V Receiver | Polk Audio RM6880 7.1 | LG Super Multi Blu-Ray Auzen X-Fi HT HD | Logitech G710/G502/G27/G930 | Corsair Air 540 | EVGA SuperNOVA P2 1200W
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