Avatar of Solon #1956
Solon #1956
4K Monitor Display Maufunction(1)Category: Technical SupportJune-29-2015 11:46 AM PDT (7 years ago) Go to Blizzard forum post
There is a major problem with StarCraft II and Diablo III (Maybe other games too), as I set my monitor resolution to 4k lvl I have to adjust the windows font size to read my screen, and it caused missing mouse in those 2 games (just checked in full screen, did't try window mode yet, and of course window mode isn't really a good choice for those games), and if I wanna change font size everytime for the game, I have to logout the OS and re-Login, which sucks, so could u guys make a patch for this kindda problems? According to the price and performance of 4k monitors, it will become a common problem soon, so why not fix it now?
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Omrakos
4K Monitor Display Maufunction(4)June-29-2015 1:32 PM PDT (7 years ago) Go to Blizzard forum post
Solon,

I've been playing Diablo III and World of Warcraft at home on a 4K (3840 x 2160) screen for the past 3-4 weeks now and it's working great for me. I've not tried StarCraft II yet but Heroes of the Storm runs fine for me too.

My setup is like this:

Window 8.1
Display set to 200% increase in size I think, might be 150%.
Game is set to run in windowed mode and then I have the window resized to nearly fill the screen. That's just how I prefer to play.
I leave Vsync on but it works ok with it off as well.
I use an HDMI 2.0 connection which supports 4K@60Hz.

I have seen no cursor issues at all.

Post your dxdiag info and I'll see if anything stands out.

You can find this information in the Direct X Diagnostic Tool:

Click on Start
Click on Run
Type in: dxdiag (In Vista, type dxdiag in the search field)
Hit Enter or OK

Click on the Save All Information button at the bottom, and create a dxdiag text file, and copy and paste it ALL here.

Could you also post your D3Prefs.txt file? It's located in the My Documents\Diablo III folder.

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Omrakos
4K Monitor Display Maufunction(9)June-30-2015 7:53 AM PDT (7 years ago) Go to Blizzard forum post
Fullscreen doesn't give me any problems as far as being able to select the resolution, but when I play in that mode, I do see slight stuttering from time to time while running around that doesn't seem to be related to the FPS so I use windowed mode as I always have and it's working fine for me. The cursor also seems to lag ever so slightly too. Not much, but enough for me to notice. I haven't tried to diagnose what might be causing the stuttering.

I think any 16:9 resolution your system reports it's capable of will run in Diablo III.

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Omrakos
4K Monitor Display Maufunction(12)June-30-2015 9:30 AM PDT (7 years ago) Go to Blizzard forum post
My desktop is set to 4K@60 Hz and everything there is perfectly responsive as is World of Warcraft and Diablo III when playing in windowed mode. When I switch Diablo III to fullscreen, I'm pretty sure it's not changing the refresh rate anywhere. My FPS indicator still stays at a constant 60Hz in-game. The cursor sluggishness I feel is a little like what I get if my desktop is running at 30Hz (unusable in my opinion) but it's not nearly so bad as that in the game.

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