Questions tagged as ['screen']

Video and resolution shown by the monitor. Do NOT use this tag for GNU SCREEN.
Score: 0
Luigi F avatar
execute fbi image buffer inside a screen rotated Openbox instance
tr flag

Ubuntu 20.04, I started Opnebox for a minimal x server with a rotated screen (using xrandr) and ran a python script at startUp. this script execute a VLC slideshow, image and video are correclty rotated following the openbox rotation, but if i tryed to execute fbi, to show an image within my script the image doesn't rotate, i suppose because fbi write directly inside the frame buffer, but i down wan ...

Score: 0
nevidev avatar
Monitor displays black screen after start PC
ng flag

I have an Ubuntu on ryzen APU system.

Here is the problem: I start my desktop pc and see my monitor is blinking, I tried the monitor on another pc and see the monitor has a problem.

Then I use another monitor for my pc which I know it's working. But when I start the pc, it only shows me the motherboard logo and then black screen. When I expect to see ubuntu login screen.

What could be the issue? I know ...

Score: 3
I have a large window that won't resize, how can I fix it?
hm flag

Codeblocks is taking a lot portion of my screen.I want it to take less screen (preferably upto the red rectangular size i have drawn).Is there any way I can do it ?

I can resize the height, but that's not what I want. It seems I cannot change the width though.

enter image description here

Score: 0
Ubuntu 18.04 will not dim screen
cn flag

My settings are

Dim screen when inactive: On


Blank screen: 12 minutes

but the screen never dims or blanks.

Is there a way to get the screen to go blank after a time of inactivity?

Score: 1
Pranav Moghe avatar
Does dual-booting Ubuntu with Windows 10 have any chance of stopping my laptop's screen flickering
it flag

I have a Asus Laptop that came with Win10 pre-installed, after using it for about a year and a half, its screen started to occasionally flicker (it started doing that for the first time after continuous usage (google meet) of about 4 hours and now it starts doing it anywhere around the 30 mins to 2 hr mark).

I tried updating my graphics driver, and all other methods that came up online to no avai ...

Score: 0
Bob Byerly avatar
Screen flickering and hdmi port not being recognized -- related problems?
in flag

I installed 20.04 on an HP laptop with Intel iris(xe) graphics adapter, dual-booting with Windows. The screen starting flickering after an update. I've read a number of suggestions and none seem applicable to me. I haven't tried Wayland, but it seems to me that the flickering starts before the X server is loaded. What works for me is to boot into diagnostic mode, and then continue to a normal boot.  ...

Score: 0
Elman avatar
Why on screen key board isn't working well Ubuntu 20.04?
in flag

Just installed Ubuntu 20.04 on a Lenovo Yoga 12, on screen keyboard is working on Ubuntu environment but not working inside any other application like web browser or libre office, intro key isn't working and delete key isn't working either.

Score: 0
IronSun avatar
Ubuntu 20.04.3 - Black Screen on startup
gb flag

I have a classic problem of "Black Screen" when Ubuntu starts and I'm not able to fix it.

The problem:

  • Without the "nomodeset" option in GRUB_CMDLINE_LINUX_DEFAULT, I have a blackscreen on the main monitor of my laptop, but HDMI monitor works.
  • With the "nomodeset" option in GRUB_CMDLINE_LINUX_DEFAULT, I have a blackscreen on the HDMI monitor, but main monitor of my laptop works.

Using "nomodeset"  ...

Score: 0
ResultantVector  avatar
Purple blank screen
cn flag

As instructed in another reply to this problem. After changing the grub listing to nomodeset, and keying ctrl x, the computer returns

Booting a command list Loading Linux 4.15.0-156-generic ... Loading initial ram disk ... _

After this nothing Please can I get help

Score: 0
kdk avatar
Maximum 19" screen resolution is 1024x768
jp flag

I installed ubuntu on my secondary laptop. I have 19" screen LG W40series connected via VGA. Maximum resolution is 1024x768 At the other distro's it worked fine with full hd resolution.. Please help - ubuntu 20.04


Score: 1
asabhish avatar
Screen Brightness reset issue
nr flag

I have a brand new lenovo 5 pro laptop with Windows 10 + Ubuntu 20.04 dual boot installation, and I am facing a weird issue. Every time my screen sleeps and locks due to inactivity, and when I unlock it again, the screen brightness resets to maximum. When I move the brightness slider, the brightness adjusts to the corresponding level of the slider. This only happens during screen sleep, lock and unlock  ...

Score: 0
qKweint avatar
Focal fossa 20.04 nvidia problems
cn flag

I have switched to Ubuntu recently and I just can't get nvidia to work properly, major problem is screen tearing, however there are many more.

GTX 1660TI I have tried to solve screen tearing with multiple ways, using the control panel and forcing the compositor pipeline and both answers here (which just made it worse by making the screen tearing even harder), while enabling the composition pipeline ...

Score: 0
Vadb avatar
Ubuntu / PopOS 21.04 - Screen blinking
cn flag

I just bought a Fusion Serie from PCSpecialist and I'm having screen issue when running Ubuntu (tested 20.04 and 21.04) or PopOS (tested 21.04)

  • built-in screen display is blinking when the mouse cursor is moving within its display area using the touchpad or a mouse
  • if I press the left button while moving the cursor the display does not blink
  • when using an external monitor its display is fine, but not t ...
Score: 0
Spaccabbomm avatar
Black screen after plymouth on lubuntu 20.04
us flag

i have configured plymouth on lubuntu 20.04 and works fine, but i got a blackscreen for some seconds before GUI start. Any way to change this or get rid of ? Thank you

Score: 1
See Now avatar
Ubuntu flashing screan on power off and turn on after suspend
lk flag

I installed ubuntu 20.04 on my Dell Studio 1555 laptop and It flashes two or three times when I try to turn it off and when It woke up after suspend. I had this problem with older versions of Ubuntu and even Kali linux

Here you can see what happens

Score: 0
MikeG avatar
Ubuntu 20.04: Screen randomly goes black and sometimes logs out
in flag

I have an issue where my screen randomly goes black and sometimes logs me out of my session. It sometimes happens every few minutes and multiple times in a row, or sometimes doesn't happen for a few hours.

Ubuntu 20.04.3 LTS
Dell Latitude 7280

Empirically, I have noticed that the issue:

  1. doesn't seem related to power; the issues occurs whether charging or not
  2. doesn't seem relate ...
Score: 0
Jithin Thomas avatar
Launching new apps splits screen space by half automatically. How to disable this?
cn flag

Whenever I open/launch new apps , the existing app moves to one side of screen , kind of like splits the screen space by half automatically (in the same monitor and same workspace) . I want the newly opened app to be in the foreground, instead of be in a split screen.

I don't know if this a feature i enabled unknowingly. I have gnome tweaks installed , but i don't see any split screen option in g ...

Score: 0
Alex Hierl avatar
Screen is weirdly stretched
ug flag

Screen is weirdly stretched

Since about one week my Ultrawide screen is not working properly with my Ubuntu Laptop.If I open a window on the sreen it gets stretched to the right. The Image should provide more information.


Samsung Ultrawide 34" Monitor

Dell Dockingstation with DisplayLink

Ubuntu 21.04

Dell XPS 13 - i7-8550U - No external GPU

If I change the resolution to a lower value than 3440x1 ...

Score: 0
Kevin Mac-Ginty avatar
Black screen when i re-connect my display on Ubuntu server
de flag

I have Ubuntu Server 20.04.3 LTS and i'm having this odd issue

When i start up the computer while my display is plugged in, it works as it should be, but when i disconnect the screen, it wont output a signal again

I am using only 1 display and nothing else, the OS is running as it should be because SSH works fine.

I suspect it could be that its not re-detecting the display, but i don't know how to conf ...

Score: 1
Giamma81 avatar
"Strange" Folder in Ubuntu
cn flag

For some days I have been seeing a strange screen on the ubuntu login page, called "file 2" (please see the Attachment) ..Anyone know what it is and how to remove it?

enter image description here

Score: 1
DBG avatar
How can I disable the top bar to get more screen space?
kr flag

I've just disabled the dock that's on the left-hand side of the screen from Extensions > Built-In > Ubuntu dock

I'm wondering how to disable the bar that's on the top so that can get fullscreen


Has to be pretty straightforward but I cannot manage it.

Any help? Thanks in advance!!

Score: 0
Veda Rutvija avatar
Horizontal flickering lines on the screen
ph flag

I recently installed 1TB SSD from service center. He installed windows on SSD without removing OS from HDD, then after 3 days my screen got horizontal flickering lines on the top. And then I erased everything and installed Ubuntu again the flickering of screen started After i setup everything, then I opened hardware removed SSD and mounted it back by discounting and connecting the battery. Then when its ...

Score: 0
Screen is "wavy" after updating laptop
in flag

After updating my laptop to the latest version of Ubuntu the screen has become "wavy," the entire thing. I'm not sure how else to describe it. It was perfectly fine before the update. My Laptop dual boots Windows and when there the screen is fine. The Laptop I am using is the Lenovo Z70-80.

I think I'm running the LTS version of Ubuntu. I updated it using the built in Software Updater. It has bee ...

Score: 0
Kesselkopf avatar
Frequent screen flicker after kernel update
th flag

Been running Ubuntu for many years. After kernel update to screen flickers once or twice a second. It's variable but is continuous. Rebooted into kernel and all is well. New kernel update arrives flickers as above continuously. Reverted to kernel and all is well. Tried changing from Nvidia to Nouveau driver but no difference, flickering continues same as befo ...

Score: 0
kws3778 avatar
Screen flickering after upgrade to Ubuntu 20.04
za flag

I recently upgraded from Ubuntu 18.04 to 20.04 LTS on my laptop (Lenovo Ideapad FLEX 6-14IKB). After a while the screen would start flickering (similar to the video in this post here). I notice that sometimes it would flicker a lot an then stop for a while - it would usually happen more often when I'm actively browsing Chrome/Firefox. The issue does not exist on an external monitor that I connect ...

Score: 0
gtmoffat23 avatar
Touchscreen not working/not being recognized 20.04 (Screen permission denied)
cn flag

Trying to get my touchscreen working on Ubuntu 20.04 but not finding much information about it.

When I run xinput I don't see it mentioned.

Virtual Core XTEST pointer
Elan Touchoad 

Run lsusb, and it doesn't appear

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0408:51ea Quanta Computer, Inc. HP Wide Vision HD Camera
Bus 001 Device 003: ID 8087:0a2a Intel Corp. (Bl ...
Score: 0
Shawmik avatar
How to view my ubuntu screen on my android phone
in flag

My laptop's built in display is broken, and I don't have another monitor. I want to use my android phone as a monitor, using either usb cable or local wifi network (It should work offline, using hotspot without any data connection)

Is there any way to do that?

Score: 2
Giochiare avatar
Following the most recent update, I've lost twin monitor functionality
cn flag

With Ubuntu 20.04.2 LTS, a few hours ago I had an update of the system,. Since then my dual monitor has lost any setup. The system does not even see or recognize the monitors and it displays the same screen for both monitors.

With apt-get update I get a signature error

Error:9 ubuntu InRelease              
 : EXPKEYSIG 9386B48A1A693C5C James Adrian Edwards ( ...
Score: 1
philmacfly avatar
Display not auto rotating on Miix 320
jp flag

I installed ubuntu 21.04 on my Lenovo Miix 320 (a tablet notebook hybrid). While running Ubuntu from the USB Stick in the installation mode the Screen turned automatically but after installing it it does not.

Can anyone tell me what I have to do or what I did wrong?

Score: 0
B3ns44d avatar
can't share my entire screen on ubuntu 20.04 & login loop
br flag

I have this problem When I share my entire screen this is shown as a black screen and only the pointer is shown. and also I can't share my terminal I tried many different solutions including this one

Edit /etc/gdm3/custom.conf
Uncomment #WaylandEnable=false
sudo dpkg-reconfigure gdm3
ctrl + alt + backspace or just reboot

But when I try to log in again Ubuntu gets stuck in a login loop and I can't logi ...