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Set monitor dpi (NOT font and icon size) in Cinnamon

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Set monitor dpi (NOT font and icon size) in Cinnamon

Post by gwi » Sun Jul 24, 2016 4:04 am

How can I set my monitor’s dpi value in Cinnamon? My monitor has 109 dpi (27″ 2560 x 1440). When viewing documents at 100% (in Writer or Evince for example) they are shown too small. The size of fonts and icons in the userinterface is fine.

User interface scaling only shows the options Normal, Auto (which looks the same as Normal), and HiDPI (which is way too big).
How can I set the dpi value to 109?

Last edited by LockBot on Wed Dec 28, 2022 7:16 am, edited 1 time in total.
Reason: Topic automatically closed 6 months after creation. New replies are no longer allowed.

Linux Mint 20.3 Unsa Cinnamon 64-bit, Asus Vanguard B85, Intel Core i7 4770S

Moem Level 22
Posts: 15634 Joined: Tue Nov 17, 2015 9:14 am Location: The Netherlands Contact:

Re: Set monitor dpi (NOT font and icon size) in Cinnamon

Post by Moem » Sun Jul 24, 2016 4:14 am

If your issue is solved, kindly indicate that by editing the first post in the topic, and adding [SOLVED] to the title. Thanks!

Re: Set monitor dpi (NOT font and icon size) in Cinnamon

Post by gwi » Sun Jul 24, 2016 11:39 am

Yes, but there I can only set the screen resolution, but that is already set to the monitor’s native resolution (2560 x 1440).
The only other option there is rotation.
There is no possibility to set the DPI value.

Linux Mint 20.3 Unsa Cinnamon 64-bit, Asus Vanguard B85, Intel Core i7 4770S

Re: Set monitor dpi (NOT font and icon size) in Cinnamon

Post by roblm » Mon Jul 25, 2016 9:37 am

gwi wrote: When viewing documents at 100% (in Writer or Evince for example) they are shown too small.

Have you tried this for LibreOffice Writer. Go to Tools > Options > View and increase the value under Scaling .

After opening a document with Evince, you can press Ctrl+Plus-Key .

You can also install dconf-editor with this command in the Terminal:

sudo apt install dconf-editor

Open the program in the Menu > Administration and go to org > cinnamon > desktop > interface .
Change the value of text-scaling-factor . You must click just to the right of the value twice.

Re: Set monitor dpi (NOT font and icon size) in Cinnamon

Post by gwi » Mon Jul 25, 2016 1:57 pm

I know Ctrl-Plus, it is setting the zoom factor. That is not what I am looking for. What I want is select zoom 100%, and then have the document displayed at its actual size. Ctrl-Plus and Ctrl-Minus in Evince zoom in and out, but don’t give me a 114% zoom that is required to view a document at its actual size. I would have to type that value every time I view a document.

At work I have to use Windows 10. There I can set the DPI to 109 (same monitor size and resolution as at home). No matter what application I use, 100% is actual size. I can hold a sheet of A4 size paper in front of the monitor, and the displayed document has the exact same size. It works in Word, print preview in whatever application I use.

Now at home I want to achieve the same in Linux Mint Cinnamon.
I am NOT looking for text scaling. I now how I can do that, but that is not the question here. As mentioned in my start post, font and icon size are fine.

Setting the scaling in LibreOffice Writer to 114% (109 DPI is 114% of the default 96 DPI) results in correct display of a document at 100% zoom.
But it should not be set in every individual application. The monitor DPI value is a hardware property, that should be handled at a global, desktop environment level. Setting that would an effect for every application. I mentioned Writer and Evince just as an example.

Looking at the response I received so far, I am beginning to think that Cinnamon unfortunately does not offer such an option.

Linux Mint 20.3 Unsa Cinnamon 64-bit, Asus Vanguard B85, Intel Core i7 4770S

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Mint 19.3 Beta: High DPI Support

Post by HV1991 » Sat Dec 07, 2019 11:46 am

according to this blogpost https://www.linuxmint.com/rel_tricia_ci . atsnew.php, HiDPI is supposed to be fully supported in 19.03, with the exeption of a few explicitly listed applications. However, this does not seem to be the case, at least not in the recent BETA release. There, all one is able to do is to set the DPI scaling to «double» and not as I would expect for full scaling support enter a costum value such as for example 1.25 or 1.5. the factor 2 is far too large for my taste.
Will this feature be implemented or did I somehow misunderstand the release notes?

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catweazel Level 19
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Re: Mint 19.3 Beta: High DPI Support

Post by catweazel » Sat Dec 07, 2019 9:11 pm

boot@Z390:~$ inxi -G Graphics: Device-1: NVIDIA driver: nvidia v: 435.21 Display: x11 server: X.Org 1.20.4 driver: nvidia unloaded: fbdev,modesetting,nouveau,vesa resolution: 3840x2160~60Hz, 3840x2160~60Hz OpenGL: renderer: GeForce RTX 2080/PCIe/SSE2 v: 4.6.0 NVIDIA 435.21 

The image above uses Gnome’s double scaling.

The above image uses 1x scaling with modified icon, font and cursor sizes. As you can see, there is much more screen real estate available. I haven’t yet worked out how to get the icons on the window title bar to be bigger.

You need to adjust your fonts, icons and panels. Cinnamon is based on Gnome, and Gnome doesn’t provide any scaling other than double. The trick is to leave the scaling at x1, not double, then adjust your fonts, panel heights, icon sizes and so on. Use System Settings > Font Selection to set the font scale to 2, then get your icons and panels adjusted.

If you want finer control of your HiDPI-capable video card and monitor(s) then you need something other than a desktop environment based on Gnome. KDE neon offers excellent and highly flexible HiDPI support.

You may also find this article from Arch Linux informative.

«There is, ultimately, only one truth — cogito, ergo sum — everything else is an assumption.» — Me, my swansong.

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[solved] High DPi settings

Post by Umbra Polaris » Fri Jun 06, 2014 9:13 pm

my last one for today , i hope

i see that Mint has a setting that adjust the DPI (normal or double) ; but double is way too big for me , there is a way to set it with a lesser value , (i.e: +20% or more )?

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Re: High DPi settings

Post by Alley Oop » Fri Jun 06, 2014 10:12 pm

I am using LM 17 — Mate — 64 bit

I can change the DPI to any number I want by:
right clicking on desktop
click on Change Desktop Background
click on Fonts tab
click Details button
change Resolution DPI number to whatever I want

Re: High DPi settings

Post by Umbra Polaris » Fri Jun 06, 2014 11:11 pm

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