Questions tagged [4k-monitor]

Questions related to 4K refers to a display devices having horizontal resolution of the order of 4,000 pixels.

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21 views

Downsize screenshots while using fracional scaling

Ubuntu 20.04 | Nvidia Geforce GTX 1050 Ti Using an 32 "4K monitor with 3840x2160 resolution works fine, but when I use fractional scaling with 150% scaling I get very big screenshots (5120x2880). ...
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84 views

Set QT_SCALE_FACTOR=2 for snap apps

I'm using VLC which is installed via the snap store. However, I have an issue when viewing it on a 4k display. So I'm wondering if there is a way to set the scaling for snap apps, as I may run into ...
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1answer
392 views

No 60Hz Refresh Rate option on my 32" 4k external monitor in Ubuntu 20.04

In my Ubuntu 20.04 display settings on a Dell Latitude 7490 laptop, I can set my laptop monitor to 1920 x 1080 resolution at 60 Hz, but I cannot set my AOC CU32V3 32" 4k monitor to 60 Hz (see ...
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366 views

Ubuntu 20.04 - Small Cursor in some applications - 4k Screen with 200% Scaling

Update: I've narrowed this down to Ubuntu on Wayland, running without Wayland my cursor is the correct size across all applications. I still don't have a solution but I'm closer than before. Original: ...
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1answer
162 views

modprobe: ERROR: ../libkmod/libkmod-module.c:838 kmod_module_insert_module() could not find module by name='off'

Having issues with the system freezing on greeter with modprobe nvidia and modprobe nouveau failing to activate after the addition of an "NVIDIA GEFORCE GT 1030" graphic card following a ...
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3answers
601 views

How do i get my monitor working in 4k 60 Hz in Linux?

I used linux for two years. I bought a new 4K Dell monitor, connected it to HDMI, booted into Windows, and it worked fine, then I booted into Ubuntu Linux and it just show no picture (the same thing ...
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1answer
52 views

video frames visibly refresh themselves when playing video clips or youtube on Ubuntu 20.04

My computer comes with strong hardware: AMD Ryzen 3900X; 64G memory; Navdia RTX 2080 Super. Ubuntu 20.04 was installed. However when I watch youtube videos or test a 1080p mkv format video, I can ...
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55 views

DisplayPort cable mis-identified by Ubuntu, works on Windows

My 4K monitor came with a DP 1.4 cable which Ubuntu correctly identifies as having 4 lanes @8.1 Gbps under "Connection Link". When using a 3rd party cable, the nvidia x Server Settings app ...
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2answers
508 views

Can't get 4k @ 60hz, only 30hz

I have a lenovo thinkpad t490 with "i7-8665U" which supports 4k@60hz over usb-c/thunderbolt ports according to: intel docs: https://ark.intel.com/content/www/pl/pl/ark/products/193563/intel-...
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Display Card Driver

I was able to run two 4K monitors with my i7 HD630 without any display card. However, the performance is not good when I set to maximum resolution of 3840, and also I can't set virtual background in ...
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69 views

Ubutunu 20.04 with external 4K screen 32:10 ratio

I just receive a big screen (this one : https://www.lenovo.com/fr/fr/accessories-and-monitors/monitors/professional/P44w-10A18434LP043-4inch-Monitor-HDMI/p/61D5RAT1EU) When I plugged in into my Ubuntu ...
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1answer
622 views

Ubuntu 20.04 4K resolution low FPS / stuttering?

I have setup Ubuntu 20.04 in Dual boot with Windows 10. On Windows 10 @ 3840 x 2160 (16:9) resolution I do not have any issues with video, smooth scrolling, IDE, games. However on Ubuntu @ 3840 x 2160 ...
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1answer
692 views

Inconsistent Resolution / Positions / Fractional Scaling for 4K Display & HD Display Using NVIDIA Drivers

Inconsistent Resolution / Positions / Fractional Scaling for 4K Display & HD Display Using NVIDIA Drivers Background So, I've recently moved back onto Ubuntu after deciding to take a break from ...
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1answer
476 views

highly unstable 4k 60Hz monitor display ubuntu 20.04

I have a monitor U32J59 from samsung that I was using with windows computer just before. It worked just fine. I am now using my Ubuntu desktop and I have huge issues making it working at 4k 60hz. The ...
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45 views

About 4k video playing on browser

I am trying to play 4k video on Firefox. When I play it on VLC, it is smooth. Is there any GPU driver installation requirement on Firefox? Or plugins or extensions?
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185 views

How do I get 60 Hz, 3840x2160 with Wayland on 4K display in 20.04 LTS?

I'm using a 4K monitor. It's capable of 3840x2160 at 60 Hz. In order to get the UI a sensible looking size, I have enabled fractional scaling to 150%. However, I have noticed things like Chrome 'tear'...
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1answer
69 views

how to set proper environment diplay settings for 3840x2160 resoultion on Asus Zenbook Pro UX501

how to set proper environment diplay settings for 3840x2160 resoultion on Asus Zenbook Pro UX501. fonts are miniaturized. keyboard not localized. Why Ubuntu is not able to recognize the hardware and ...
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1answer
176 views

The font size of Java-based application for 4K screen

My laptop is hp spectre x360 13 and my OS is Ubuntu 18.04.4 LTS. I want to use a Java-based application called paraprof(here). Sorry, I don't use Java so I put part of its description below (don't ...
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1answer
135 views

HDSPmixer and HDSPconf HiDPI Scaling Factor

All - I am running Ubuntu 20.04 (Gnome) with the Ubuntu Studio packages installed. I'm working with a RME HDSP 9652 (Hammerfall) sound card and an ASUS HiDPI 32" screen. hdspmixer and hdspconf work ...
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561 views

Problems with login screen (GDM3) on Ubuntu 20.04, nvidia card and hires monitor

After migration to ubuntu 20.04 i'm facing a problem with login screen or whatever. I have nvidia 2070 card and 4k monitor. I installed proprietary nvidia (tried both) driver over "Additional drivers"....
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1answer
74 views

No video/display in logon screen after user logoff (4k display, nvidia)

When I logoff the user and expecting to see the logon screen (unity-greeter), my monitor looses the signal and stays black (repeatedly trying someting, but failing). I can get a terminal with Ctrl+Alt+...
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1answer
324 views

Unable to select 4k in Ubuntu, works in Windows

I have a dual boot Dell Inspiron 17-7700, with Nvidia GeForce 940MX. I plan on buying a 4k monitor, but I wanted to test if it actually worked on my laptop. The display I am trying to connect to is ...
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I have a problem with my new 4K monitor, in the morning or after it comes out of sleep mode, I get horizontal lines appearing for a while

I just got a new monitor, a Samsung U32J59x which is a 4K monitor (3840x2160). My video board is an Nvidia GeForce RTX 2060. In the morning or after the monitor goes to sleep, when I wake the monitor ...
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2answers
245 views

Lenovo T540p, Nvidia GeForce GT 730M, 19.10 Eoan, 4K second monitor problem, 3840x2160 mode not autodetected

I just want my 4K monitor to work as a 4K monitor when it is plugged in. Pixels help, FPS not so much. Basically what the title says, the screen in my office gets plugged in with an HDMI to Mini ...
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1answer
1k views

Fixing scale for 4k and 1080p monitor

I find it difficult to believe that there isn't a GUI for changing the scaling for multiple monitors, but I am prepared to use randr if necessary. I have a new 3840x2160 monitor which I've placed ...
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201 views

Ubuntu 18.04.3 LTS with NVIDIA Quadro RTX 3000 and 4K Display

How can I install Ubuntu 18.04.3 LTS on a notebook with a 4K display. As soon as I select Install and switch to graphics mode, you can no longer see anything on the display. Apparently video mode is ...
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0answers
87 views

My cursor changes color and size when I click

I have a 4k display attached to my laptop's builtin 1920x1080 display. I have to use LightDM because my external monitor was not working with GDM. When I don't click on anything my cursor is large ...
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0answers
693 views

Can I run two external 4k monitors on 18.04?

I was just provided with a new Dell XPS13 7390 laptop for work running 18.04.3 LTS. I need to get a dock for my peripherals and, since this thing has Thunderbolt ports, I'm considering getting a ...
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127 views

Two screens on 4k and 150%

I have two screens with 4k resolution: Dell XPS 15 9570 (Vidia® GeForce GTX1050Ti MaxQ + Intel HD Graphics 630) Benq PD2700U On the Benq only half of the screen is visible. What could be the ...
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1answer
508 views

Mirror Displays of 2 different resolutions

I am wanting to mirror asymmetrically whereby the main monitor is a lower resolution than the HD TV we are using as a monitor. When the displays are in non-mirrored mode (spanning?) each monitor ...
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1k views

Use i3 on a 4k monitor

I've decided to change my windows manager to have a tiling windows manager. Since I heard a lot of good from i3, I've chosen to go for it. Problem is, I have a 4k monitor and as I switched to i3, it ...
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75 views

4k Monitor Ubuntu 19.04 screen freezes after a while [duplicate]

i'm dealing with this a few months now, i had the same problem with 18.10 and thought maybe that would change with an upgrade but didn't. I have an AMD® Ryzen 5 2400g with radeon vega graphics × 8 ...
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75 views

Ubuntu 4K TV sync issues

I have an issue with what I think is a sync problem when I connect my Sony X830C 4K tv to my laptop which is a Lenovo T470s with Intel HD 520 graphics. The TV is connected via displayport to an ...
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684 views

4k Display Experience 18.04

I'm just going to compare this to the Apple 5k display experience. The Apple displays look great I am assuming because there is some under the hood upscaling going on, so text and certain other ...
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0answers
627 views

4k samsung monitor issue with resolution

I'm running Ubuntu 19.04 and I'm having an issue with getting my Samsung 32" (U32J590) monitor to display anything better than full HD. Issue is with Linux only (I've tried it on Ubuntu 18.04 as well),...
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0answers
64 views

How can I fix virtual terminal size for external monitor?

I plugged in my 4K external monitor (Dell 27 inch) to my Lenovo Thinkpad l540 running Ubuntu 18.04 using a mini displayport cable, and it works perfectly when I'm in the GUI. (The scaling option I ...
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1answer
1k views

Ubuntu 18 with Mate desktop HiDPI scaling messed up

My laptop is running Ubuntu 18.04 and I use mate-desktop. (I login with gdm3, but I select Mate in the login window.) My laptop's built-in display is 4k. In mate-appearance-properties, I set DPI to ...
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0answers
172 views

4K resolution videos lag

I have Ubuntu Budgie 18.04.2 LTS installed on an Acer F15 F5-573-70EB[Here] laptop with an i7 CPU, NVIDIA GTX 950m GPU, and 16GB RAM. I connect it to a Philips 4K HDR TV. Before installing NVIDIA's ...
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201 views

4K on HDMI Port Ubuntu 19.04

I am trying to get the my laptop to spit out 4K resolution from the HDMI port to my TV. I am 90% sure my cable is HDMI 2.0 (it's been a while since I bought it, and just wayyy too many cables around ...
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3answers
2k views

New XPS 13 9380 with ubuntu 18.04 flicker problems

I just received my new xps 13 9380 with a 4k display and with ubuntu pre-installed and since I started it that I am getting flickring problems. Videos here: https://photos.app.goo.gl/...
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2answers
709 views

i5 7300u struggles with 4k youtube and constantly spikes to 100% at 4k on Ubuntu 18.04 [duplicate]

so I’ve got a Dell laptop with an i5-7300u. I’ve recently upgraded to a 4k monitor at home that I plan on using for video playback and programming (i have a desktop PC for gaming). Now, according to ...
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1answer
341 views

Issues with Displays on VMware. Scale missing + cannot permanently add resolution

I have already spent some time to find solutions for my issues looking into ubuntu forums and google, but no viable solution. I am using on Lenovo Ideacentre (with 4K display) VMware Player to run ...
2
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1answer
239 views

radeon rx580 won't set resolution to 4k

I have a 4k monitor (Samsung UE570). I had a GeForce GTX 1060 6Gb card in the system and it worked fine. I've swapped out to a Radeon RX580 and installed the driver (amdgpu), but now I can't set the ...
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384 views

XPS 13 with a USB C dock using two 34" 4k monitors - after connecting second montor the XPS and first go blank

Ok, I have been at this for a while and tried every tip I could find and I am still struggling. Although I have not found an article that was 100% my issue so that might be why nothing has worked so ...
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1k views

Remmina doesn't scale remote screen resolution to fit smaller client screen

I know there is already another post about this, but I have not enough reputation to comment it, see Remmina refuses to scale the remote screen res to fit in smaller client screen Issue Remmina does ...
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0answers
970 views

YCbCr 4:2:0 4K 60Hz Output over HDMI 1.4 on Intel Integrated Graphics

I want to display 4K/60Hz screen over HDMI 1.4, mapped to Intel UHD 630. Currently I don't know how to change YCbCr color space format of display output, nor whether this is supported on Intel UHD 630....
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0answers
413 views

Ubuntu 18.04 Xorg server error

I am trying to configure my new laptop with Ubuntu 18.04 (HP Spectre X360 late 2018 version). In particular, I would like to have per-monitor HiDPI scaling for my 4k laptop screen and my ultra-wide, ...
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1answer
618 views

Ubuntu 18.10 kernel 4.18 crashes when 4k monitor is plugged in

Both during and after installation (meaning while running the USB iso and booting from HDD after) ubuntu will rapidly become unresponsive and eventually hang when my 4k monitor is plugged in. I have 2 ...
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2answers
2k views

Ubuntu 18.04 Screen flickering on a 4K laptop

I recently bought Lenovo Ideapad 720s (4K) and Dual Booted Ubuntu 18.04. However the screen is Flickering. I faced this even while installing but thought it would not happen once Ubuntu was set-up. I ...
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1answer
470 views

Why does xrandr ignore other resolutions on a 4k monitor and only list 3840x2160 available?

Running a Triple monitor setup, 4k on laptop left and 2 monitors on the right When using xrandr or mate monitor, it only shows that the 4k has only 1 resolution, a 3840x2160 resolution. In nvidia-...