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Change in matlab Window resolution after I open MuPAD app or Simulink

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Punit
Punit on 6 Dec 2013
Answered: John Cade on 21 Mar 2016
Recently I installed Matlab 2013b on my laptop with windows 8.1 operating system. Whenever I open matlab, the fonts look normal, I think it uses lower resolution. As soon as I open MuPAD app or Simulink, the matlab window size suddenly changes and it starts on higher resolution and the font size is reduced. Same thing happens even if I use external monitor. I've attached two pictures, matlab screen shot before I open the app and matlab screen after I open the app. Compare the toolbar strips or command history font size and you can see the difference. The later is so small, that its hard to read on my desktop. I have intel HD graphics, that comes with i7 processor, as well as NVIDIA graphics processor.
Earlier I was using Matlab 2012a, and it never had this issue even on Windows 8.1, and same laptop.
Thank you
-Punit
Before opening MuPAD app or Simulink:
after opening MuPAD app or Simulink:
>>

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Denis
Denis on 18 Jan 2014
Thanks for your quick reply. I tried everything but no luck. I can see from Get(0) that it changes screen resolution but I don't know how change it back.
Thanks anyway.
Daniel Karlsson
Daniel Karlsson on 23 Jan 2015
Bumping this thread as I have this problem as well. The right-click scaling fix only makes everything super big, not any better.. Also tried the new 2015 pre-release, still the same issue. I have a Surface Pro 3 with a 2160*1440 resolution, it also acts the same if i connect an external screen with 1920*1080 resolution.
Carlos Ponce
Carlos Ponce on 4 Jun 2015
Another bump here. I get the same sudden change in resolution/font size using Matlab 2015a in a Dell XPS 13 (Windows 8.1), and in my case, it is when calling commands from the Computer Vision System Toolbox.

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Accepted Answer

Kri
Kri on 12 Apr 2014
Right click on your matlab exe icon(you can also do it on icon on your desktop shortcut if you have ), and go to Properties and then to compatibility tab, and select Disable display scaling on high DPI settings.
Check if this helps to an extent.
-Krishnam

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Raina
Raina on 22 Jul 2014
Just found out that if you open the System Identification toolbox (ident) from an m-file the resolution does not change. However, this did not seem to work for simulink...
Duncan Coutts
Duncan Coutts on 10 Jan 2015
Running new install of R2014b on a windows 8.1 laptop (4k display) and experienced this issue. 'Disable scaling on high DPI settings' didn't work for me, selecting 'run in 640 x 480 screen resolution' in the compatibility menu returns the scaling to readable. Is this really the only fix?
smith.mwk
smith.mwk on 13 Apr 2015
A combination of this and modifying the font properties in the Matlab Preferences made this situation workable for me. Selecting "Disable display scaling on high DPI settings" made Matlab go into a high resolution mode permanently, so the resolution doesn't change when you open MuPad or the Publishing Editor, etc. Changing the font within the program makes your code readable but still leaves you with small buttons.

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More Answers (3)

Jun Ni
Jun Ni on 3 Feb 2014
Hi Punit, from your system configuration, are you using the bootcamp from a 15'' Macbook Pro with duo graphics chips and a Retina display? I'm running MATLAB 8.2 and got the same issue from OS X. And if opened in Windows 8.1, the graphics chips will automatically kicks in and make the fonts super tiny to meet the resolution. Maybe you just have to change the resolution settings from control panel when you use the MATLAB.

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Bora Eryilmaz
Bora Eryilmaz on 10 Mar 2015
There is a workaround now available in R2015a release of MATLAB that partially resolves the issues with blurriness and resizing of the MATLAB Desktop on Windows platform. The workaround patch can be downloaded from Bug Report ID 1054442.

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Pei Lin
Pei Lin on 12 Mar 2015
This is great, although not perfect, at least I can use Matlab on my surface pro now! Thanks!
Bora Eryilmaz
Bora Eryilmaz on 16 Mar 2015
The workaround will only work in R2015a version since it relies on code that exists only in that release.
eee
eee on 2 Aug 2015
I have this same scaling problem on my Matlab (2014b) which was running in win8.1 and now win10. I loaded that bug. But it didn't help me. Why can it be?

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John Cade
John Cade on 21 Mar 2016
I have tried the patch and have also tried all the other methods suggested and still nothing, when I open up a Simulink Files all of the windows shrink and I cannot see any of the writing.I really hope this gets sorted out soon.

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