Can You Have Dual Monitors With Different Refresh Rates

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DWM & multiple monitors with different refresh rate problems finally stock-still in Windows x Build 19041.2004 (20H1)

• Thread starter delete12345
• Kickoff date Feb 17, 2020

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• #1

Thus, people like me, who have multiple monitors of different refresh rates, can now observe the bug plaguing Windows for many years (no idea how long) is fixed in the latest Windows 10 Insiders build.

Woot!

I have a 144Hz TN monitor and a 60Hz IPS monitor.

• #2

I saw this on reddit earlier. Definitely updating to the insider build sooner. This is a fix I've wanted for years

• #iii

Huh, I don't recollect I've ever noticed this, only I'm glad it'south getting fixed.

• #4

Subsequently recently getting my 144hz monitor this black friday, this was super annoying, hopefully this alleviates the BS I been going thru.

• #5

This has been a while in the making right? Glad we've reached the set up

• #6

Holy shit, finally. I just causeless information technology would never get stock-still.

• #vii

I'one thousand glad MS fixed it properly and didn't endeavour a quick set.

• #eight

Holy crap this has annoyed me for legitimately years. I thought it would never exist stock-still!

• #9

165hz flanked by 2x 60hz hither. Yeah this can't go live soon enough. I don't trust Microsoft enough at this point to sign upwardly for insider builds though.

• #10

Multi-monitor users rejoice!

• #11

So, I take 2 monitors with diff refresh rates.. what was the bug? Has this been affecting me and I didn't know it? What is the bug and did information technology affect anybody or just some? I but congenital my pc about two years ago later on being console for a long menses.

Last edited: Feb 18, 2020

• #12

holy crap, this collection me fucking *CRAZY*. if this is a legit fix (running 144hz primary and 60hz secondary) i will exist over the moon. was even thinking about ownership another 144hz monitor to friction match my first one considering the issue was and then annoying.

• #xiii

Oh my god I've been waiting for this since FOREVER! I've always thought it was a problem with nVIDIA or something similar that but I'thousand glad it wasn't.
These are neat news, woohooooooo! Cheers for sharing OP, can't wait to finally exist able to watch videos on my other monitors again, it'due south been a while...

• #14

This plagued me forever. I can't believe information technology's finally stock-still!

• #15

Thus, people like me, who have multiple monitors of different refresh rates, can now observe the bug plaguing Windows for many years (no idea how long) is fixed in the latest Windows x Insiders build.

Woot!

I have a 144Hz TN monitor and a 60Hz IPS monitor.

I have this exacty monitor ready up(except both IPS) and never noticed this trouble, but and so I just normally use Discord on my 60hz monitor. Is this effected when you play games fullscreen on the 144hz monitor.

• #16

Is this most the stuttering issues when running hardware accelerated stuff on two monitors with different refreshrates on the same GPU? That's the main affair annoying me and I had to hook my older lx Hz monitor to the iGPU.

• #17

A shame this came too tardily for me... In college I had my PC with my monitor in the aforementioned room equally my desktop. Couldn't have them both plugged in or they would stutter similar mad because of this problems.

• #xviii

Gonna take to do the alien test on my pc later. I have a 60Hz and a 144Hz.

• #19

It has been so long that I never thought it would happen. This is nifty news.

Is this about the stuttering bug when running hardware accelerated stuff on 2 monitors with different refreshrates on the same GPU? That'southward the main affair annoying me and I had to hook my older 60 Hz monitor to the iGPU.

Yes, that'due south exactly what is supposed to be fixed now.

• #xx

I accept this exacty monitor set up(except both IPS) and never noticed this problem, only then I only unremarkably use Discord on my 60hz monitor. Is this effected when you play games fullscreen on the 144hz monitor.

apparently it depends whether you play games true fullscreen or windowless bordered. a lot of games at present use windowless bordered, which is affected by this problems, whereas truthful fullscreen isn't because it bypasses windows DWM (Desktop Window Director) to depict on screen direct.

i institute this a pretty good explainer https://www.notebookcheck.net/Windo...lti-monitor-refresh-rates-right.454143.0.html

• #21

It has been then long that I never idea it would happen. This is great news.

Yes, that's exactly what is supposed to exist fixed now.

Whew, great news!

Near the high GPU usage in multi monitor fashion, I recall NVIDIA Inspector takes care of that?

• #22

Can someone actually explain the bug to me. I have dual monitors but couldn't tell from the video.

• #23

Can someone actually explain the bug to me. I have dual monitors only couldn't tell from the video.

AFAIK not everybody is affected, just I'm not able to play a youtube video on i screen while playing a game on the second 1 that has a different refresh rate. The game would offset to stutter. This seems to have been fixed.

• #24

Is this about the stuttering issues when running hardware accelerated stuff on ii monitors with different refreshrates on the same GPU? That'due south the main thing abrasive me and I had to hook my older lx Hz monitor to the iGPU.

When y'all run a borderless full screen or windowed game with something that's GPU accelerated (similar Discord or Netflix) on the lower refresh monitor, your game would be locked to the lower refresh charge per unit. The just fix was to either non run anything GPU accelerated on your side monitor, or to play the game in exclusive fullscreen (which not all games back up).

• #25

That explains why HotS would sometimes lock at 62fps lol.

• #26

AFAIK not everybody is affected, simply I'g not able to play a youtube video on one screen while playing a game on the 2nd one that has a different refresh rate. The game would start to stutter. This seems to have been fixed.

this drove me up the wall. just last night i was having this problem.

oh god i'm so psyched if this is really stock-still.

• #27

As far as I sympathise it's non as much "fixes" it as it introduces a completely new selection within WDDM 2.vii - h/w accelerated GPU scheduling - which makes it go abroad.
This selection volition become somewhat limited support from currently available h/west although most (relatively) modernistic GPUs from NV and AMD should back up information technology.

• #28

Has anyone installed this successfully? I installed 2004 through the insider plan and I don't run across the option for GPU scheduling. All I run into is an selection for Variable Refresh Charge per unit and it doesn't solve this effect.

• #29

Has anyone installed this successfully? I installed 2004 through the insider program and I don't see the option for GPU scheduling. All I see is an option for Variable Refresh Rate and it doesn't solve this issue.

What GPU do you have and what drivers are yous using?

• #30

Has anyone installed this successfully? I installed 2004 through the insider program and I don't run into the option for GPU scheduling. All I see is an selection for Variable Refresh Rate and information technology doesn't solve this issue.

I'k non running insider builds, merely you probably need a specific driver for this. Maybe endeavour uninstalling the drivers you have currently and go Windows Update to download the latest ane?

• #31

Holy shit, this was legitimately the only thing holding me back from grabbing a 144hz gsync monitor as my center monitor

• #32

Huh, I take a 60hz, and 144hz monitor connected and didn't notice this. Peradventure I just thought it was something else. Although I play in exclusive full screen whenever I can, so maybe that'southward why.

• #33

Holy shit, this was legitimately the but thing property me back from grabbing a 144hz gsync monitor as my heart monitor

It's worth noting that apparently the way this was stock-still is to run every monitor at the highest rate and disable sync, rather than really running them at independent rates - so it'south non an ideal solution past whatsoever ways. It just prevents stutter on the main display while gaming.

• #34

I ended upwards trying to do the Insider update on my new PC build and it told me that I needed to uninstall Battleye first.... yeah.. yeah... nawww...

It's worth noting that apparently the mode this was fixed is to run every monitor at the highest rate and disable sync, rather than actually running them at independent rates - and then it'south not an ideal solution past any means. It just prevents stutter on the main display while gaming.

And then... a little bit of screen tearing on extra monitors while gaming? That doesn't sound too bad.

• #35

I ended up trying to do the Insider update on my new PC build and it told me that I needed to uninstall Battleye start.... yes.. yeah... nawww...

So... a little flake of screen vehement on extra monitors while gaming? That doesn't sound also bad.

Yep I'll take whatever judder there is on my 60hz screen if it ways my 144hz G-Sync feel works.

• #36

So... a little bit of screen fierce on extra monitors while gaming? That doesn't audio also bad.

I don't think you'll meet screen violent, equally it should be triple-buffered, but playback won't be smoothen since it might be updating at 144 FPS and displaying at 60Hz.

• #37

What GPU do you have and what drivers are you using?

RTX 2070 Super on 442.l (DCH)

• #38

RTX 2070 Super on 442.50 (DCH)

442.50 are WDDM 2.6 drivers so you lot won't go any new features of WDDM 2.7 on them.
Try uninstalling them and using Windows Update to download the newest beta (should be 450.20).

• #39

Has it been released nonetheless? I had a February Cumulative Update installed just last night, and accept a 75Hz Freesync monitor surrounded by two 60Hz not-Freesync monitors.

• #40

Has it been released all the same? I had a Feb Cumulative Update installed just terminal nighttime, and accept a 75Hz Freesync monitor surrounded past two 60Hz not-Freesync monitors.

I wouldn't expect the 20H1 update until at to the lowest degree April.

• #41

Has information technology been released still? I had a February Cumulative Update installed just last dark, and have a 75Hz Freesync monitor surrounded by ii 60Hz non-Freesync monitors.

It's out for slow ring and preview ring I think. And so it's only a question of when they'll be ready to push it into release ring. As with previous updates I expect them to _technically_ release information technology during March but wide availability volition probably happen closer to Autumn.

• #42

442.50 are WDDM 2.six drivers so you won't become any new features of WDDM two.7 on them.
Try uninstalling them and using Windows Update to download the newest beta (should exist 450.xx).

I uninstalled my drivers using DDU and Windows simply downloaded 432.00 =\

Going to set Insider preview to Fast. Maybe that's the trouble.

• #43

exodus You could too download and install 450.12 drivers ripped from WU from some website which you trust plenty.

• #44

exodus You could also download and install 450.12 drivers ripped from WU from some website which you trust enough.

This won't piece of work in 1909 even with these drivers right?

• #45

No way!? I tin't believe that! Information technology's a dream come truthful!!!!

• #46

This won't piece of work in 1909 even with these drivers right?

Right. You lot demand WDDM 2.7 which is a part of 2004.

• #47

Right. You need WDDM ii.7 which is a part of 2004.

Alright, and so I'll wait till Glass8 is updated to 2004 and then make the bound.

• #48

Holy shit lmao finally wtf. I gave upwards and but ended upwardly buying ii matching 144 hz monitors (whole other can of worms actually getting two matching panels tho). I cannot believe this bug has persisted for this long, it was infuriating having to essentially either lock the 144hz monitor at 60hz or deal with framedrops someday anything blithe on the other one. The steam bulletin taskbar flashing was literally plenty to fuck it.

• #49

So I downloaded the contempo update. How do I use/see this fix in action? I take a unmarried center FreeSync monitor (75Hz) and two non FreeSync (60Hz) side monitors. Should I disable Vsync/Enhanced Sync and check to run across if the center monitor will tear?

• #l

I got a 144hz monitor yesterday and instantly noticed it. After googling about it, I found information technology'southward a common issue with many possible workarounds (nonworked) merely remembered that a new Windows update coming coming shortly so I googled to see if they stock-still it in the new one. Plain they did, blows my mind that such a huge issue went unfixed for so many years.

Anyway, I'm bumping the thread to say that the new update is most probable going to release on the 28th of May.

I was thinking of getting windows insider to get the update sooner since it's almost out, which probably means in that location'due south no huge issue with it but I'd rather be on the safe side.

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Source: https://www.resetera.com/threads/dwm-multiple-monitors-with-different-refresh-rate-problems-finally-fixed-in-windows-10-build-19041-2004-20h1.170578/

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