Questions tagged [monitor]

Questions that relate to the electronic display (sometimes called a visual display unit) for computers. Typically questions relate to visual issues such as flickering, resolution, black-screens together with the usage of single and multiple displays.

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11 views

Getting ''no input signal'' in external monitor

I have Dell XPS 13 which is running Ubuntu 20.04. I had an old monitor, which had only VGA port. And I had a Thunderbolt adapter, which had only HDMI port. So I connected both of them using a VGA to ...
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Is posibble play in 3 screens with mesa drivers ? Rx570

Hello guys í thinking on buy 3 of the same screens (used) But I saw is a lot of problems with 3 screen setups in linuxs. Is possible play in full screens with 3 screens with the stock mesa ...
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ubuntu 20.04 how can i setup a dummy monitor so i can use vnc as a second screen and still be able to drag windows back and forth

so i'd like ubuntu to believe there is a second monitor attached. the main reason is: i'd like to be able to set vnc to monitor that screen and use various devices as a second screen. for instance ...
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benq xl2411t dvi-d not deteted on Ubuntu, hdmi works. might need to edid override like i do in windows

I got an issue with my monitor. at the moment using HDMI but since its a BenQ xl2411t it supports 144hrx through dvi-d, problem is in Ubuntu the kernel doesn't seem to recognize that I have a cable ...
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How to optimise firefox for full HD wide screen? Webpages often are centred, search results constricted to 1/3rd of the screen width

As you can see, the Google results uses only 1/3rd of the screen width. Often the case with many websites as well. Any fix to optimise Firefox and Chrome to render the pages for Full HD monitors.
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Set custom resolution which is not native from monitor

It's possible to set custom resolution screen which is not my monitor native? Ex: My monitor is 1366x768 and I set 1920x1080.
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Backlight/Brightness Malfunctioning

Running 20.04 on an early-2008 iMac. $ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-5.4.0-31-generic root=UUID=3acf183b-0264-4c56-a18e-0fec33417d68 ro quiet splash acpi_osi=Linux acpi_backlight=vendor ...
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Monitor's color is WAY off

I installed Ubuntu this morning because I have read that it is more programmer-friendly than Windows. I am also a product designer, so color accuracy is very important. The problem I am having is that ...
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Monitor and PC Stopped working together

My Desktop PC (running 18.04) just stopped working with one of my monitors. The monitor still working with my laptop (also running 18.04), and the desktop PC still works with my TV. I did just ...
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Applications and games opening on the wrong monitor

As the title states whenever I open any application or particularly steam game, it will open on the wrong monitor. My secondary display is on the left and the main monitor has been set to main in the ...
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Secondary monitor bad resolution

I have a problem with my secondary monitor. First, when I boot in Ubuntu, it's a black screen and I need to turn it off and on for it to display anything. Second, the resolution isn't the correct ...
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Unable to connect second monitor on ubuntu 20.4

I have tried the steps: Open the Activities overview and start typing Settings. Click on Settings. Click Devices in the sidebar. Click Displays in the sidebar to open the panel. In the display ...
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Ubuntu 20.04 - Disable laptop built in monitor slows down the system

I am trying to connect my laptop to two external monitors and disable the built in monitor, in order to work only on the two external monitors. However, when I disable the build in monitor, all the ...
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My BenQ PD2700U does not work with Ubunu 20.04

I am trying to use a BenQ PD2700U with Ubuntu 20.04 and it doesn't work at all. It is connected to an HDMI port.I am new in Linux, could you help me? Thanks in advance, Fernando
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Is there any solution for running the ViewSonic VX3276 Monitor with 2560x1440 resolution?

Running Ubuntu Studio 20.04 with GeForce GT 520/PCIe/SSE2 graphics - Nvidia Driver is installed. Max resolution is 1920x1080, but the max resolution of the Monitor is not met.
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Any good distro/DE for HiDPI external monitor?

At the moment, im using Ubuntu (Wayland) 20.04. My external (QHD) Monitor is only really usable with fractional scaling enabled, but that will push CPU usage high enough (>60C) that my Laptop Fan will ...
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Built in monitor not detected on Dell Mobile Precision 7740 ubuntu 20.04

Just did a clean install of 20.04 on my Dell Precision 7740. After install it worked perfectly for a while. Then suddenly booting does not seem to get past the Dell logo, along with the Ubuntu logo ...
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Ubuntu 20.04 LTS Dual Monitor

Hello im new on Linux i have two monitor same model one is HDMI other is DVI the HDMI one work fine the second DVI is detected by ubuntu in configuration and i have no image Monitor : 2x LG 27 Inch ...
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is there a way to have different scaling factor of my monitors on xorg?

I only managed to make it work on Wayland, when on xorg if i go to display settings and change the scale factor of one of my two monitors i automatically get both monitors scaled. I'm on ubuntu 19.10.
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Ubutnu Display Issues: Possible Line Shifts

I am facing display issues on Ubuntu. This problems disappear in Windows though. Here's how my display issues are: Example Image. I have added red border for easy understanding of the issue. In my ...
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How to turn on Monitor sound on ubuntu 18.04?

I connected the monitor and notebook with HDMI cable, but Out device field is empty for sound. Ubuntu version is 18.04.4 LTS. Can anyone help me?
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How to set a custom refresh rate on ubuntu?

I'm having some trouble trying to set a custom refresh rate (90hz) on my laptop's display in Kubuntu 20.04. Using cvt to get the right values $ cvt 1366 768 90 # 1368x768 89.74 Hz (CVT) hsync: 72.87 ...
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Why is my laptop screen flickering uncontrollably on Ubuntu 20.04?

This issue is best illustrated visually, hence I created a recording in the form of an GIF of my laptop screen flickering hectically. The flickering doesn't seem to have a pattern associated with it - ...
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Is it possible to use a custom resolution from windows on linux (amd gpu)?

I am new to this forum and i apologize if this has been already answered and sorry if the i couldn't explain it better but I need help with using a custom resolution for my monitor in Ubuntu(19.10) ...
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Colors on one monitor appearing far darker

I've got two monitors. One's the laptop's built-in, one's external. My laptop monitor's colors are far darker, and I'd like them to match my external monitor's colors. Where are the settings to do ...
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NO SYNC on Ubuntu 19+

I have an old TV for monitor and I can't install or run Ubuntu 19.04 and 19.10. Infact I can't run 18.04.4 also. 18.04.3 works fine, but not 04.4. Screen is black and it says NO SYNC. I can install it ...
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How to prevent CRT burn in on Ubuntu server?

So on my server my display card has the ability to be connected to a CRT display. I think it would be cool to have it constantly display the gtop command but I don't want to necessary want to have it ...
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lubuntu 18.04 dual monitor radeon hd 6450 install

good morning, i would like to know how to install the second monitor with lubuntu 18.04 and graphic card ati radeon hd 6450. ARndR cannot see the second monitor. Thanks lspci -k | grep -EA3 'VGA|...
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106 views

How can I look up my monitor's native resolution in Kubuntu?

I thought this detail would be in the Info Center, but the only similar info I can find there (under Graphical Information -> X Server) is just showing the current resolution, not the details on what ...
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Xubuntu 18.04 External Monitor not detected via HDMI

I'll preface by saying that I'm a linux newbie, so any help would be greatly appreciated. Running Xubuntu 18.04, no dual boot. Monitor works fine on other PCs. xrandr output with monitor plugged in: ...
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getting blank screen after some time in ubuntu 19.10

so from last two days my pc is behaving weirdly. i am using Ubuntu 19.10 "Eone Ermine". after some time working(like 30 minutes), it just gives me a blank screen with a blinking cursor. Although ...
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How to change ubuntu resolution to 1366x768

My monitor is unrecognized and it only goes up to 1080. My native resolution is 1366x768. There are some sudo commands on the internet but they are for other resolutions so I cant really convert them ...
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Out of range on monitor,Won't give me grub at boot

I installed ubuntu by going to grub and pressing e then entering nomodeset,I rebooted,it didn't give me grub,so I rebooted again. I tried to push shift to give me grub and it goes to a purple screen ...
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When iItry to extend my laptop screen to a monitor it goes black and doesn't let me extend it

I am trying to extend my laptop screen onto a Dell inc. 21" monitor and when I try to join the displays, it goes black for the twenty seconds for confirmation and does goes back to what it originally ...
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Ubuntu wrong monitor detection (displayed image bigger than screen - out of bounds)

First of all, please excuse my English. I have a problem with a setup and i can not find the solution, so... looking for some help with it. The setup: This is a PC that it's only use is as a ...
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Acer ET322QK, crackling noise on Ubuntu 18

I have an Acer ET322QK monitor with built-in speakers. When connected to a Nvidia Jetson Nano, that runs a version of Ubuntu, the speakers work. But when connected to my laptop, which runs Ubuntu 18....
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293 views

Two 4k Monitors with Different Scaling Values Ubuntu 19.10

I'm using a Dell XPS 7590 laptop with a 4K display, and have a 4K Dell monitor attached by DisplayPort to the laptop. On the laptop, I use 200% scaling and on the external monitor I'd like to use 150% ...
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32 views

Turn off external monitor when system inactive

I've got an external monitor plugged in and when the system is inactive for several minutes, the monitor will turn black, but it is not turned off (because I can still see the mouse). Is it possible ...
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How to change resolution for dumy monitor

I followed the step in this link: Add Fake Display when No Monitor is Plugged In But I'm stuck with 1024x800 resolution. How can I change it to 1280x720?
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Ubuntu 18 LTS and an LG Monitor with a built-in KVM

I have a LG Electronics UM95 34UM95-P 34 Monitor which has a built in KVM switch. I am running Ubuntu 18 LTS on an MSI GS 65 Stealth that has a USB-C (Thunderbolt-3 port). My monitor is a old, and ...
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2nd monitor not detected since a freeze fixed by pulling cable

Operating System: Kubuntu 19.10 KDE Plasma Version: 5.18.3 KDE Frameworks Version: 5.67.0 Qt Version: 5.12.4 Kernel Version: 5.3.0-40-generic OS Type: 64-bit Processors: 8 × Intel® Core™ i7-7700HQ CPU ...
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Ubuntu 18.04 - Resolution is stuck at 640x480, can't change it

So yesterday I booted up my Ubuntu and found that the screen is stuck at a resolution of 640x480. How it came to this I don't know, I haven't changed anything other than updating the system. The ...
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how to change the monitor output to HDMI in a laptop

I have a touchscreen monitor which has an embedded computer on it, which means that all the components (monitor, CPU, RAM, graphics card, etc) are all together in one piece. I need to connect a camera ...
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Internal LVDS not working on Kaby Lake computer

I have an all-in-one PC with a Kaby Lake processor, Intel 620 graphics, and an internal screen connected via LVDS. The screen works in the BIOS and in Windows, however it turns black when I try to ...
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18.10: Can't login with both DVI monitors connected

I’m unable to login with both monitors connected, and must disconnect one monitor before I can login. Then I’m able to reconnect the monitor while switched on before I’m able to use it as normal. I ...
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18.04: When going from Battery to A/C power, monitor settings change

Using Ubuntu 18.04.4 LTS on a HP Pavilion dv7. When plugging in a/c power after running on battery, both monitors flicker. Also, 'display arrangement' appears. After closing that window, options I ...
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4K TV as monitor in Kubuntu - display offset

My lounge media computer recently started being used as a web development platform so I put Kubuntu on, 19.10. It is offsetting the display on an LG 4K TV UJ635V through an Nvidia 1030. Offset is ...
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22 views

Microsoft Suface Pro 4 scaling different screen

My microsoft surface pro screen has a resolution of 2736x1824, my external monitor has a normal resolutin of 1920x1080. When I connect them the scaling is set to 200% which is fine for my normal ...
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117 views

Secondary monitor problems

A few months ago I was using my secondary monitor for some programming. It was "plug and play" type of connection. Yesterday I tried to connect it and got this artifact kind of view. The only things I ...
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How to delete monitor extensions? - manage external monitors

So with Windows I was able to use a tool called CRU - which could delete monitor extensions. I am facing overscanning on my external monitor and want to delete the extensions. Thank you for your ...

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