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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Trouble getting 4k monitor to run 4k@60Hz on 22.10

I know there are a million questions like this one, but I still feel this has it's own unique set of problems. The main issue is: I want to run my external monitor in 4K resolution above 50Hz xrandr ...
0 votes
1 answer
72 views

4K External Display USB-C Doesn't Work - Defaults to 2K

I've been troubleshooting this problem for some time and can't seem to find a solution for this. I'm also having a hard time exactly pinning down where the problem may be. So, any help just ...
0 votes
0 answers
59 views

Laptop with Ubuntu 20.04 does not detect 4K monitor via USB-C, Intel HD 620 Graphics

I bought the 4k monitor and I haven't been able to connect it for a week. The HDMI port can output only 30hz for 4k, so the only hope is the type-c port But I can't configure it in any way My laptop ...
1 vote
0 answers
138 views

4k60 not working properly on UHD TV (HDMI 2.0, 22.04, AMD Ryzen 5 5625U, Linux 6.1.0)

I have some trouble getting a UHD TV to work properly with an AMD Ryzen 5 5625U (Dell Inspiron 14 7425 2-in-1, two USB-C ports with DP1.4 AltMode, most recent BIOS) with integrated graphics. I am ...
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0 votes
1 answer
229 views

Can't get 60Hz 4k on Dell XPS 13 9370 Ubuntu 22.04, only 30Hz works

I just got a Samsung LU28R550UQNXZA (28-inch 4K UHD) monitor, connected to a Dell XPS 13 9370 running Ubuntu 22.04.1 (X11). It works except that the highest supported refresh rate is 30Hz. I'm using a ...
0 votes
0 answers
95 views

How can I get full (2560x1440) resolution on my external display?

I am using AOC Q3279VWF as a monitor, but am only able to reach 1920x1080 resolution. I would like to achieve the full 2560x1440 resolution of the monitor. This is listed as an option in the display ...
2 votes
1 answer
689 views

Ubuntu 22.04 RDP client/host resolution mismatch

Getting RDP to work on Ubuntu 22.04 is fairly straightforward. But on my client machine I have a 4k monitor whereas on the host I have a 1440p monitor. Using Remmina I can't find a way to connect ...
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1 vote
0 answers
513 views

Unable to reach resolution higher than 1920x1080 60hz on ubuntu 20.04

Recently I bought a 4K monitor (AOC U27U2) and after connect my Dell Vostro 3500 I was unable to set 2560x1440 or 3840x2160 via xrand (X11 windowing system). I Always get "xrandr: Configure crtc ...
0 votes
0 answers
154 views

Can I get 5120x2160 at 60Hz with Dell U4021QW + OptiPlex 7080 + Ubuntu 18.04 LTS?

I would like to run my ultrawide monitor at 5120x2160 and 60Hz. Right now, I only get 30Hz. My setup: I am running Linux (Ubuntu 18.04 LTS) The desktop is a Dell OptiPlex 7080, with DisplayPort 1.4 ...
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0 votes
0 answers
46 views

Dual monitors with different resultions and nvidia driver

Problem is the display settings on my external monitor (1920x1280) connected via HDMI to my Dell Alienware (HD graphics 530 and NVIDIA 980m) with internal 4k screen (3840x2160). I'm running Ubuntu 20....
0 votes
2 answers
254 views

Dell precision 5760 + wd19tbs dock only shows 4K@30hz on HDMI

I have a Dell precision 5760 laptop, installed ubuntu 22.04, Nvidia driver is version 510. I connected my TV to wd19tbs dock HDMI port, and it can only dispaly max to 4K@30hz. While same hardware on ...
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0 votes
0 answers
988 views

Does Gnome Boxes support stretching guess screen to fit the window?

I tried to install Gnome Boxes on Ubuntu 22.04 (beta). The default one was Snap, but after downloading an OS image, it failed to start the guest. So, I uninstalled it and installed the package version ...
0 votes
0 answers
432 views

Ubuntu 20.04, i7 1165G7 i915 Intel Xe Graphics 4k@60hz Screen Flickering

I am using Lenovo Thinkpad notebook, Type-C (Thunderbold 4) port is available. I can't use 4k@60hz because the screen keeps turning off (black screen) and on again. When navigating with the mouse ...
1 vote
0 answers
882 views

4k 60hz only on Wayland, while i can get 4k 120hz on X11 (Ubuntu 21.10)

So if I install Nvidia Driver version 510, Ubutnu uses Wayland by default but I cannot get 120hz on my 4k screen, only 4k 60hz. if I install Nvidia Driver version 470, Ubuntu uses X11 by default and i ...
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1 vote
0 answers
237 views

4k@60Hz via Docking station not working

Hello fellow Ubuntu users. I'm new to the Ubuntu-world and trying to set up my 4k monitor via a Lenovo docking station with 60Hz since 30Hz is unbearable. I have a Lenovo T14s Gen 1 with USB-C ...
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2 votes
2 answers
5k views

Ubuntu 20.04 - how to fix sluggish 4K monitor

LG 27inch 4K monitor connected via HDMI with Ubuntu 20.04 exhibiting sluggish (like slow-motion). How can I do to fix?
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0 votes
0 answers
219 views

GPU hang while long run 4k video play on VLC (ubuntu 18 or 20)

Please help to ptovide your suggestion for the following issue. Thanks in advance! VLC hang or re-boot when play 4k video under ubuntu environment with over night. (sometime hang couple hours or close ...
1 vote
1 answer
547 views

How to use USB-A port for Displayport screen?

I have a Dell Latitude computer running Ubuntu which has just 1 USB-C port. I would like to connect two external monitors. On my Mac, I use two USB-C to Displayport cables and that works very smoothly....
0 votes
1 answer
1k views

Ubuntu 20.04.2 does not recognize 4k resolution on Samsung 28" 4K UE590 monitor

Ubuntu 20.04.2 does not recognize 4k resolution on Samsung 28" 4K UE590 monitor. The monitor has the HDMI1 and HDMI2 input, the HDMI1 input ubuntu works 4k but with only 30fps, standard, as the ...
0 votes
1 answer
88 views

How to prompt maximum resolution beyond 1080?

Ubuntu 20.04 installed on a Gateway SX2370-UR30P. Originally connected to a 1080p TV. Now connected to a 4K monitor via HDMI. Max resolution shows 1080. What can be done to prompt / configure ...
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1 vote
2 answers
725 views

Ubuntu 21.04 Guest on VMware Workstation 16 Gnome Forgets UI Scale On Resolution Change

I am running Ubuntu 21.04 VMs in VMware Workstation Pro 16.1.2 build-17966106. When toggling between full screen and normal mode (which causes VMware to poke the guest tools to change the virtual ...
1 vote
1 answer
409 views

External monitor connection cause Ubuntu (20.04.2) freeze

Setup: Ubuntu 20.04.2 LTS 64bit Intel® Core™ i7-8850H CPU @ 2.60GHz × 12 NVIDIA Corporation GP107GLM [Quadro P1000 Mobile] (P1000 [Zbook Studio G5 mobile workstation]) A few days ago I hade my ...
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1 vote
0 answers
734 views

20.04 and BenQ Monitor Connectivity Problem

I am baffled by the Ubuntu connectivity problem between my Lenovo M83 desktop and a new BenQ 4K display. I can connect to the monitor using the Ubuntu Live USB images, and from Win 7 Pro on my dual-...
3 votes
2 answers
656 views

Ubuntu 20.04 with KDE is laggy on 4k monitor

I'm using Ubuntu 20.04 with KDE Plasma on a dual boot with Windows 10. I use a total of 3 different monitors, two being Full HD, and one 4k. My system uses an AMD Ryzen 3700x CPU, 16GB RAM and an ...
2 votes
0 answers
729 views

How to increase font size in virtual console (tty) in Ubuntu 20.04 on 4k screen? Or how to change the resolution?

I am using a dell XPS 13 laptop with 4k screen and the text on the virtual console is very small. I would like to increase the font size. With the command sudo dpkg-reconfigure console-setup I took: ...
1 vote
1 answer
843 views

Ubuntu 20.04, running HDMI to display. Switching display inputs to another box and back results in a black screen

I'm running Ubuntu 20.04, and HDMI to my display via a 4K switch. I have another machine connected to the same switch. If I switch the inputs to that box and back, I end up with a black screen in ...
2 votes
0 answers
66 views

'unlock' nautilus icon zoom for HiDPI screens?

I'm using a 32" 4k monitor, and if I try to browse a folder of [2000x1000px] image icons, the max zoom takes it up to about 1.5" diagonal, which is absurdly small. For reference, browsing a ...
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6 votes
1 answer
8k views

Can’t enable 4k resolution on external display

I have a MSI GL-65 Leopard ms-16u8 notebook with Ubuntu 20.04.1 installed. My notebook, according to the specification, has a 4K capable HDMI(version 1.4, 4K at 30Hz) port, Intel GPU and Nvidia ...
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0 votes
1 answer
675 views

amdgpu never sets the lowest P state

I am using Ubuntu 20.04 with 5.8 kernel and amdgpu driver for my RX 580. # lspci | grep VGA 2d:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/...
0 votes
0 answers
369 views

Ubuntu 20.10 4K Resolution Issues

I connected my Laptop with a HDMI 2.1 cable to my 4K TV. But unfortunately the TV output resolution is till 1080p. Please advice on how to get it to work. Even the display setting only shows a max of ...
2 votes
0 answers
233 views

Viewsonic 4k monitor has no video after fresh install of Ubuntu 20.04

I installed Ubuntu 20.04 using a 1080p monitor because my motherboard doesn't output BIOS information to HDMI. After the install completed, I disconnected the 1080p monitor and plugged the HDMI 4k ...
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1 vote
0 answers
54 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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6 votes
0 answers
603 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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4 votes
2 answers
5k 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 ...
5 votes
2 answers
5k 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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1 vote
1 answer
2k 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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4 votes
3 answers
11k 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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0 votes
1 answer
137 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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4 votes
4 answers
10k 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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8 votes
3 answers
3k 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 ...
4 votes
1 answer
2k 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 ...
1 vote
1 answer
1k 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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0 votes
0 answers
246 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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1 vote
1 answer
80 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 ...
0 votes
1 answer
2k 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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0 votes
1 answer
413 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 ...
1 vote
0 answers
1k 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"....
1 vote
1 answer
263 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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2 votes
1 answer
2k 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 ...
2 votes
0 answers
136 views

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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