Questions tagged [flicker]

When something flickers it flashes repeatedly. Flickering in the Ask Ubuntu forums is generally referring to screen issues, or to describe an LED, such as,"The hard disk access light flickered."

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Ubuntu 20.04 screen flickering during boot

I recently switched from Windows 10 to Ubuntu 20.04. On the second day my screen started to flicker (display random white screens) during shut down/boot. The next day, when I tried to boot, the ...
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Whenever I launch Ubuntu my screen of PC starts flashing continuously

Hi I just installed Ubuntu 20.04 on my HP desktop PC and it’s dual boot with windows 10. Windows 10 runs fine but whenever I launch Ubuntu my screen of PC starts flashing continuously and it’s very ...
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Focal - screen flickering, i915 CPU pipe A/B FIFO underrun on Intel HD Graphics with DisplayPort screen

I have my Lenovo ThinkPad X220 connected to an Acer VG0 27" 1440p screen via DisplayPort. Periodically, the screen flicks off for several seconds. Usually it comes back, but occasionally it will ...
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Screen flickering after update to Ubuntu 20.04

After I have updated Ubuntu to 20.04, it started to behave strange. All of a sudden would get stuck, lose bottom navbar, show the purple screeen and at the end go back to normal.Any ideas? Refer ...
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Screen shaking/flickering randomly after upgrading to Ubuntu 20.04

As heading decribe, my screen image will "shake" or flicker with random intervals. This started after upgrading from 19.10 to 20.04. For the most part everything is normal, then, suddenly, my screen ...
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219 views

Ubuntu 20.04 LTS Screen Refresh / Flickering Issue

Recently upgraded from Ubuntu 19 to 20.04, since doing so I keep running into an issue that I struggle to describe so here goes... Initially, right after login, the screen will re-size / flicker - it ...
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422 views

Cursor flickers on primary display when fractional scaling is enable for dual monitors on Ubuntu Desktop 20.04

I am experiencing a mouse cursor flickering on my primary display when I enable fractional scaling. I am running Ubuntu 20.04 desktop on a Dell Inspiron XPS 9380 with Intel UHD620 graphics. I have ...
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2k views

Ubuntu screen flickering

I have installed ubuntu 20.04 on my laptop specification are intel i3 6th gen with intel graphics card 520,screen resolution 1366×768. when i lock desktop to temporarily turn off the screen but when ...
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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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Gnome-Terminal and Emacs randomly flicker (18.04)

I've searched existing questions here, but nothing quite matches (and the closest match's solution was not relevant to my system). Since upgrading my desktop to 18.04 about 6 weeks ago, I've noticed ...
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Flicker screen when booting to windows 10

After installing ubuntu 19 on my laptop I faced this problem so when I choose windows 10 from boot menu it gives me flicker screen and sometimes continue booting and sometimes restarting again
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Screen flickering - Blackscreen

Processor - I5 2500k 3.3ghz Gpu - MSI Radeon R9 390 8gb RAM - 2 x 1600mhz corsair 8gb new to linux since my windows crashed.. so i dont really know if it is a drivers problems or not... i can play ...
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screen flicker after hwe kernel upgrade

After I performed an hwe kernel update (to 5.3.0-28-generic) on my Thinkpad T480s running Ubuntu 18.04.4 LTS, Im experiencing an occasional screen flicker. Its really just a very short 1ms blink of ...
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Kubuntu 19.10 + Backport PPA: Flickering when clicking “Add a new language” (Languages settings)

I've installed Kubuntu 19.10, updated it, and added backports PPA (for newer Plasma version). It seems to be working fine except for one thing. When I click "Add a new language" button in "Languages" ...
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Screen randomly turning off and on and erratically responsive touchpad and keyboard

I have installed Ubuntu 19.10 on a [Trekstor Primetab T13B,][1] alongside with the pre-installed Windows 10. When using Ubuntu, the laptop works 100% fine for some time -ranging from a few minutes to ...
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Chromium based browsers flickering a few times then crashing

Ubuntu 18.04 64-bit All chromium based browsers seem to have this issue where when I start them they flicker a few times then close with no message. I've tried Vivaldi(2.10.1745.23), Brave(1.2.42 ...
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Screen flickering and laptop goes to sleep

I dual booted my laptop with Ubuntu 18.04 along with Windows 10, just a few days back. My laptop is Dell Inspiron 5567, 8GB Ram, 1TB HDD and Intel HD graphics. So, after booting, the laptop screen ...
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what's causing my screen to flicker on startup?

When I first installed Lubuntu it worked fine for months. Now when I startup there is this rapid flicker between the display (both the login screen and the general interface after I log in) and black ...
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Ubuntu 19.10: Screen flickering after wake-up from sleep

Issue: Screen starts flickering whenever my laptop wakes up after a sleep or blank screen. Steps to reproduce: Let your laptop go to sleep or let its display turn blank. After wake-up, the display ...
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A way to pin the screen refresh rate?

So I've got a HP Probook 440 G6 with a full HD display. By default, Ubuntu 18.04 uses 1920x1080 resolution and 120.02Hz refresh rate. I believe (or found info about it somewhere) that high (and rather ...
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Xubuntu 18 - upgrade results in distorted colours and flicker when moving mouse

Upgrade results in distorted colours and flickering when moving the mouse; functioned fine before upgrading to Xubuntu 18. The Radeon x300 driver installed. Checked that vga cable is securely ...
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Screen flickering and tearing [duplicate]

I am currently on Ubuntu 19.10 and I am having trouble with the screen flickering sporadically, sometimes several times per minute sometimes less. There is also small horizontal screen tear when I ...
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1answer
855 views

Can't use any programs in full-screen mode on Ubuntu 19.10

When I try to use full screen mode on any program, be it sites under Firefox, games with Lutris/wine or VLC, the screen starts to flicker and switches between full-screen mode and a smaller resolution ...
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691 views

Screen Flickering On Dual Boot Ubuntu

I have dual boot setting (Ubuntu 16.04 + Windows 10) on my notebook (using nouveau driver). Originally there was no major issues. But when I changed my BIOS configuration, my Ubuntu started to have ...
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Screen flicker in Ubuntu 18.04 when gps receiver connected

my X11 display flicker every second when a gps receiver is connected. Looks like the "jumping mouse" problem on windows. How can i fix this?
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Screen flickering in Ubuntu 16.04.lts

Recently I am having a problem of flickering screen on my Lenovo laptop where I have installed ubuntu 16.04 . It had also happened a couple of months ago, but was fixed automatically the next day ...
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935 views

External monitor flickering with usb-c dock displayport / vga

Hardware: lenovo thinkpad e480 laptop (intel+amd hybrid graphics) + lenovo thinkpad usb-c dock + dell u2415 monitor. Bios / dock firmware: latest versions installed If external monitor is connected ...
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114 views

Screen flickering on second monitor

I am experiencing really bad screen flickering on my second monitor in Ubuntu. I'm not sure how to go about fixing this, it's plugged in via DVI. If I don't do anything the screen rarely flickers (...
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Screen flickering in ubuntu 18.04

My screen is continuously flickering while running on Ubuntu 18.04. $ sudo lshw -c display [sudo] password for suchith: *-display description: VGA compatible controller ...
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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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483 views

cosmic vega 8 screen flicker/glitches

I've an Lenovo yoga 530 notebook. It has an AMD Ryzen 2500u with vega8 graphics integrated. For getting the touchscreen and mousepad working I had to install the kernel module from here: MP2 I2C ...
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282 views

Firefox full screen flickers to previous window when adjusting volume

This bug occurs whenever I am in full screen in Firefox, streaming something on YouTube or other sites. When I adjust the volume and the gray notification in the middle of the screen (the one that ...
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1answer
339 views

Screen Flickering & Freezing problem

I am using Ubuntu 18.04 in Dell Inspiron 3542 laptop for 2 years. Now my laptop screen is always flickering & get stuck / freeze in every 3 seconds. On the time of screen stuck, mouse, keyboard ...
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394 views

Ubuntu 18.10 & AMD RX 580. Flicker screen artifacts

After installing the operating system constant flicker. Video
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297 views

ubuntu 18.10 screen flickering (with RX480)

I am running Ubuntu 18.10. I think I received a kernel update to 4.18.0-12-generic and the screen keeps on flickering. I have RX480
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2k views

ubuntu 18.10 screen flickering solved

example of the screen flickering in YT I upgraded to ubuntu 18.10 a couple of days ago and noticed that my screen flickered with some YT videos. I changed to the proprietary nvidia drivers (1060 ...
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Flickering screen Ubuntu 16.4 NVIDIA

I'm using Ubuntu 16.4 and I have a problem from the beginning. My screen starts blinking every time I have bigger changes on the screen f.e. while logging in, opening browser, installing GPU drivers. ...
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911 views

Flickering screen with Radeon graphics on Ubuntu 18.04

I had Ubuntu 14.04.5 LTS running on HP Compaq nx9420; [AMD/ATI] RV530/M56-P [Mobility Radeon X1600] screen resol.: 1680x1050 60.1* kernel 3.13.0-161 and radeon.ko Version: 2.36.0 It was ...
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2k views

Flickering horizontal line while scrolling

I have got a really weird problem. When I scroll a web page, look through images really fast with right arrow held or render something with OpenGL on high fps, I have got this flickering horizontal ...
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449 views

Brightness problem on Ubuntu 18.04 LTS

I have read this question - Brightness problem on Ubuntu 18.04 and this is my set up - Linux gansub-OptiPlex-7050 4.15.0-38-generic #41-Ubuntu SMP Wed Oct 10 10:59:38 UTC 2018 x86_64 x86_64 x86_64 ...
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84 views

Very weird flickering on desktop

Shortly after installing Ubuntu 18.04 in my computer I noticed that very frequently and without any apparent reason the desktop and specially Google Chrome windows (although not exclusively) start ...
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338 views

Ubuntu 18.04 Live Damaged My LCD Screen? Flicker + Burn In?

So i've been running Ubuntu 18.04 from a Live USB recently. I noticed that whenever I was in Ubuntu the screen sometimes randomly flickered at the corners a bit, but then eventually stopped. The ...
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158 views

The '*' symbol automatically starts typing repeatedly everytime in linux. (Ubuntu18.04)

My ubuntu18.04 Dell Vostro3546 is facing many problems relating to cursor jumping, repeated key typing and on-boot screen flickering. Please help me, I've been stuck for days and my work is on halt. ...
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1answer
6k views

Flickering screen on Ubuntu 18.04

I had Ubuntu 16.04 on an old Compaq laptop and it worked seamlessly. Recently, it suggested I update to Ubuntu 18.04. Then the nightmare began. After installing, the laptop uncontrollably flickered, ...
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2k views

Partial flicker/redraw problems on dual-monitor setup

Ever had a time when it seemed that part of your screen couldn't figure out quite what it wanted to display? If so, you'll probably be able to help me out on this question. I have an HP Elitebook ...
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4k views

Ubuntu 18.04 external full HD monitor flicker

I had an issue with my external HD monitor which started flickering and the rows of pixels were unaligned with each other a bit so the picture was kind of blurry. I tried everything from changing some ...
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341 views

Ubuntu 17.10 screen flickering [closed]

System using :- hp 15r032tx Ubuntu 17.10 Problem - screen flickers and get locked ,sometimes just a black screen and nothing on display. Sometimes keyboard and mouse also hanged. ...
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2k views

Ubuntu 18.04 Screen Flickering on Dell XPS 15 9570 GTX 1050 Ti [duplicate]

Just trying out Linux for the first time. I am able to install Ubuntu 18.04 without any problem except for the fact that my screen keeps on spontaneously flickering. It starts to flicker as soon as ...
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2answers
3k views

Ubuntu 18.04 screen strobing

I have recently upgraded to Ubuntu 18.04, and I am experiencing subtle (but constant and rather annoying) screen flicker. My computer is an HP Envy x360 Convertible 15-bp1xx; using Intel graphics ...
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876 views

Ubuntu 16.04 Nvidia Obs Studio Screen Flickering GT1030

I am using Nvidia GT1030 with OBS Studio running Ubuntu 16.04. When trying to record with OBS Studio, the screen is flickering. The same using other recording software - Kazam.