Windows 10: Dual Monitor 4k @ 150 scaling + 2k @ 100% - Blurry Text

I am currently running 2 monitors in windows, one 2k, and one 4k. At the moment the only way I am able to get clear crisp text and icons is to run the 4k at 100% scaling. I am wanting to run the 4k @ 150% OR at 2k but It makes some apps blurry (task manager). I am just wondering if there is a way to run the 4k at the same resolution as the 2k without making the text blurry on my 4k monitor? Note, my 2k is my main display.

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:)

 

Windows 10 monitor scaling blurry

Circumstances

• Windows 10 Version 1709 x64
  
• One 4K (27") and one 2K (27") monitor
  
• Nvidia 1050 TI
  

Feel free to ask for more information, if you need them.

The Problem

Everything works fine if I don't use the Scaling option of Windows 10 (Settings > System > Display > Scale and layout). However, if I don't use the scaling function, the content on the 4K monitor is very very small.

If I do use the scaling function as recommended (150% for the 4K monitor, 100% for the 2K one), it looks good in general. However, in some applications (Outlook, IntelliJ, ...) the content on the 2K monitor is veary blurry. While there might be a fix for the programs in specific (even though I wasn't able to do this), I'd like a general fix for this problem.

Furthermore, when I use the 4K monitor scaled by 150%, Windows doesn't seem to be quite able to measure the correct size. That means, if I'm at the top right corner of the 4K monitor, at which a maximized window is open, I don't click at the closing button, but slightly above it. This is not that much of a problem though, I could adapt to it.

What I've tried

• I tried running the programs (I tested it with IntelliJ) with Override high DPI scaling behaviour set to System and System (Enhanced), while using the recommended Windows scaling options
  
  • The programs controls are as tiny as if I hadn't scaled the monitor at all
    
• I tried scaling both monitors by the same factor (125%)
  
  • The controls on the 2K monitor are terribly huge
    
  • The controls on the 2K monitor still look a little bit blurry, but not as much as before
    
• I tried this tool
  
  • The same effect as with scaling both monitors by the same factor
    
• I tried setting my 2K monitor as primary monitor
  
  • The contents on the 2K monitor are blurry
    
• I (obviously) tried logging out and restarting my computer for each option I tried
  
• I tried some specific solutions for IntelliJ (which didn't work), but I don't think they're relevant here
  

 

Dual Monitor Setup issues - 4k and 1080p combination

The issue is worse than it seems at first. I have a 4k display (200%) scaling and a 1080p display (100% scaling) and even office apps look blurry on the 1080p display. If I unplug the 4k display and reboot the problem goes away. I believe the problem is
present on all apps and is a system issue. It's been suggested that to get the 100% scaling everything on both monitors is generated at 200% and then the part on the 1080p display is downsampled to 100%, resulting in the poor quality.

As it is Windows 10 is almost unusable with a very different DPI dual monitor setup.

 

Windows scaling 4K fine, but after restart blurry??

Hi, i have an Asus PB287Q, an 28" 4K Monitor. So far i am using the Windows 10 scaling on 150% and it looks gorgous. Only a few scaling issues, but Office 2016 and Chrome which i use most, scale perfectly fine. But the strange thing
is, after i shut down the computer and start it up again, Word and Chrome are blurry. I check the Windows display settings and its still on 150%, but says "some apps won't respond to scaling until you sign out". Well thats odd, thats usually what it says if
you change the scaling slider from i.e. 100% to 150%. But the thing is, i didn't change anything. The scaling setting is 150% before i shut down the computer and is still 150% when it boots up again. But now i have to sign out every time i boot up the computer
to restore the blurry programs to their glory. If i restart the computer, no problem whatsoever. So this only happens after a shutdown. Anybody had a similar problem and found a fix? Thanks for any help

Tl:dr I have a scaling setting of 150%. After i shutdown my computer and boot it back up, the setting is unchanged, but the programs appear blurry until i sign out and in again. Doesn't happen on reboots only on complete shutdowns.

EDIT:

I did some more testing and i think I left out some vital information. I have a second screen 24" 1080p hooked up as well. Since Windows 10 allows for different scaling values on each monitor, i have set this one to 100% and the 4k one to 150%. And i think
this is some what responsible for the problem.

Setting both monitors to same scaling value, in my case 150%, and the problem is gone. Shutdown, Boot up, and everything looks perfect.

Well, they only problem now is, that i have a 24" 1080p monitor set to 150% scaling, which makes it a bit less useful.

So has anybody a better idea which would get rid of the blurry programs and would allow for different scaling values on each monitor? Any advice will be appreciated