Questions tagged [flicker]

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

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Screen flickering in Ubuntu 22

Flickeringscreen My laptop screen suddenly started flickering few days ago like shown in the above image. I got my laptop cleaned up and the flickering went away for a few days but started again now. ...
PRATIK CHAPADGAONKAR's user avatar
1 vote
0 answers
88 views

Screen Flickering and non-functional After suspend [Ubuntu 22.04.3 LTS, Lenovo Thinkpad 14s gen3]

I was attempting to fix an issue where the HDMI port on my lenovo does not work with Ubuntu 22.04. Two suggestions I tried were attempting to select a different Nvidia driver in software updates, and ...
J_Goldberg's user avatar
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110 views

HP elitebook (HP X360 1040 G10) screen flickering (LTS 22.04)

I see similar posts, and tried every solution, but no luck - can anyone help me what I might try to fix this? This is VERY disappointing to say the least. Further information as requested: $ lspci -...
chulwoo jung's user avatar
0 votes
1 answer
745 views

Lenovo Thinkpad AMD Radeon 680M randomly goes black for no obvious reason

The Laptop is new, it's running Ubuntu 22.04.3 LTS. Flickering and screen turning black while browsing, processing etc. More common during graphic related tasks, like raw converter. Sounds like a ...
Bozo's user avatar
  • 1
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0 answers
67 views

Screen glitching when login user in Kubuntu 22.04 [temporary fixed?]

I just getting update & the system requires me to restart. I do it like the way it told me & everything is normal. But right after my laptop shows the user login screen, it immediately ...
Vhayoung's user avatar
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0 answers
153 views

Screen flashing/flickering on HP laptop

I am seeing the built-in display on my HP Elitebook Folio G1 (Intel Core m5-6Y57 with Intel HD Graphics 515) flickering after a fresh install of Ubuntu. It’s worth noting that this doesn’t happen on a ...
reggaemahn's user avatar
0 votes
1 answer
120 views

Screen Flickering Issue on Incorrect Terminal Commands in Ubuntu

After recently installing Ubuntu on my laptop, I've encountered an unusual issue. Every time I mistakenly enter an incorrect command in the terminal, my entire screen flickers momentarily. To help ...
Rick Laster's user avatar
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0 answers
54 views

Ubuntu 22.04.3 “ACP BIOS Error (bug) Couldn’t resolve symbol error on Asus X513EP

After updating the kernal 6.2.0-generic. I’ll update the exact version later. That causes so much problem for me. When ubuntu bootup(before login screen) its flickering three times. Also bootup is too ...
Aashik Sihaab's user avatar
2 votes
2 answers
1k views

Screen flickers after installing Ubuntu 22.04

I installed Ubuntu 22.04 with Windows 11 using Dual Boot on a Lenovo computer and when I log in the screen flickers, not being able to interact well with the OS. The equipment has the following ...
Francisco's user avatar
1 vote
0 answers
46 views

My external monitor randomly flickers for between a one and five seconds. Ubuntu 22.04

I am a very yellow guy when it comes to linux so please, explain in to me like I am five. My external monitor is MSI MAG301 CR2, although the resolution and quality are on point it just randomly ...
RichardLipton's user avatar
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0 answers
40 views

Desktop icons keeps getting re-animated forever

I've recently updated Ubuntu to version 22.04.2. However, the desktop icons keeps re-animated forever. I tried to upgrade my system but it doesn't work. And the opening of files has become really slow....
Rohan Kumar Pandey's user avatar
7 votes
6 answers
12k views

Ubuntu 22.04.2 - Screen flickering / glitches

I've been struggling with that for the last week. I've checked similar questions, and the proposed solutions worked only for a moment or reduced the glitches, but they didn't fix the issue. Also, I ...
dev.dave's user avatar
1 vote
0 answers
91 views

Ubuntu Flickering While Installing & Booting

I am an ubuntu user. I installed Ubuntu a few months ago. It worked properly for me. But after about 1 week later, it randomly started flickering while booting, it almost flickered for 10 minutes and ...
GreenStone15's user avatar
1 vote
0 answers
111 views

Jammy 22.04 new install with Kubuntu gets flickering screen

I'm running a new install of Jammy (22.04) on Ubuntu with KDE installed, X11, and a NVIDIA 470 driver. I've started noticing that some small parts of the screen start flickering with content from ...
JasonK's user avatar
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3 answers
159 views

Flickering Ubuntu after changing mother board

Today I had to change the motherboard in my Dell XPS 13 7390. Since then the screen is constantly flickering and showing weird lines. I'm using ubuntu 22.04. I've already checked this issue and other ...
fritsMaister's user avatar
0 votes
1 answer
106 views

Dell XPS 17: Weird console/firefox issue as I type characters, where the cursor jumps back in time - but only with an external monitor attached

I'm using Ubuntu 22.04 with the latest updates as of today, on a Dell XPS 9710 (late 2021, early 2022 model) laptop with the UHD 17" LCD screen. I have a second monitor, a Dell P2715Q 4-K monitor ...
davidA's user avatar
  • 101
0 votes
1 answer
41 views

"[[17~^" is auto added in terminal

When I open the terminal and press 6, it start typing "[[17~^" automatically and it continues. I also noticed that sometime it starts without pressing 6 or any key. Additional issue to that, ...
olive's user avatar
  • 3
0 votes
0 answers
177 views

Very fast flickering screen (Xubuntu on Lenovo Yoga)

I installed Xubuntu (i.e. ubuntu light) on a (laptop/tablet) Lenovo Yoga 900S 12ISK with HD Graphics 915 video card. After bios update (to allow for Linux) installation went fine but the login screen (...
rsd's user avatar
  • 101
13 votes
1 answer
9k views

Black screen flickering after update to 22.04

I've been using 20.04 and I updated to 22.04. After a few days a black flickering appears randomly, it's very annoying and it didn't happen before. Any idea what might be the cause?
pcc's user avatar
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0 answers
157 views

Screen flickers in Ubuntu 20.04

My screen flickers when I open the lid after having closed the lid earlier, it keeps on flickering and doesn't stop. It flickers even when I go to shell (Ctrl+Alt+F3), but if I lock it again (Super+L) ...
CHIRAG MEHTA's user avatar
1 vote
0 answers
155 views

Screen Flicker on 20.04 with AMD CPU/ Nvidia GPU

I am having a serious screen flicker problem on a laptop with 20.04 and Kernel 5.13.0-27-gneric. I am not sure if the problem came with the recent Kernel upgrade or a little earlier, but it started ...
metricmike's user avatar
1 vote
1 answer
2k views

How do I revert the last installed updates?

Today I just clicked yes to a few updates that my Ubuntu 20.04 LTS suggested. Since then, when I boot up my laptop everything is fine. But when it goes to suspend and wakes up the screen is flickering ...
MDoe's user avatar
  • 115
0 votes
0 answers
342 views

Screen repeatedly goes blank, flickering off and on. Lubuntu 20.04

My screen keeps switching off for about a second, then switching back on. This is getting increasingly annoying. It can happen several times a minute, or not happen at all for an hour or so. It always ...
budgerigar2's user avatar
3 votes
1 answer
509 views

Screen flickering on Ubuntu 20.04 with Nvidia 495 under high CPU

I'm having a strange issue for the past couple of months. I run an Ubuntu 20.04 on a Lenovo Y740 laptop (RTX 2070). With the latest Nvidia drivers (currently, I'm testing with 495), I'm having an ...
Kos Prov's user avatar
8 votes
1 answer
4k views

Screen flickering on mouse move (Ubuntu 20/21, Lenovo IdeaPad 5i Pro)

I recently purchased a Lenovo IdeaPad 5i Pro (16IHU6) with the following configuration CPU: i5-11300H GPU: nVidia MX450 Display: 2k@120Hz and I fail to run Ubuntu 20.04/21.10 (to be honest, any ...
Sebastian Schlicht's user avatar
1 vote
1 answer
458 views

Display flicker on new HP 14S laptop with Ubuntu 20.04

Dual boot installation on new HP 14S laptop using latest Ubuntu 20.04 LTS on a USB stick. The machine has Intel i5 processor with Intel iRIS Xe graphics. When running from the USB it is necessary to ...
Stuart North's user avatar
1 vote
0 answers
511 views

Ubuntu 21.10 Flickering Screen on Wake or Screen Resolution Change

When I wake my computer, the login screen and DE looks like the graphics card is broken (it's not). the screen has flickering lines and blocks of the screen flickering off an on. The manual resolution ...
Knubie's user avatar
  • 11
0 votes
1 answer
415 views

Ubuntu lts display is zoomed/scaled after changing dell screen

I used to have screen flickering problem and it became frequent. When I visited the service center they said it is the screen problem and changed the screen in 1 day. Next day when I booted into ...
Senthil Vikram Vodapalli's user avatar
1 vote
1 answer
311 views

Screen flickering on Ubuntu 20.04 - HP Spectre X360 with Intel Skylake GT2 [HD Graphics 520]

I am using Ubuntu 20.04.3 LTS on my HP Spectre X360 with Intel Skylake GT2 [HD Graphics 520] and I am having flickering graphics. Unlike similar entries that have been reported, my flickering is ...
ubuntunoob11's user avatar
1 vote
1 answer
1k views

Screen flickering black after upgrade from 19.04 to 21.04 (ubuntu emulated on virtualbox)

I have a macbook with 10.15.7 and virtualbox 6.1 I just updated ubuntu from 19.04 to 21.04 Now when I login into ubuntu every few (randomly) seconds I get a black screen for a while. It seems a black ...
Saledan's user avatar
  • 11
1 vote
0 answers
52 views

Ubuntu flashing screan on power off and turn on after suspend

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 ...
See Now's user avatar
  • 11
0 votes
1 answer
979 views

Intense screen flickering, vertical rainbow bars, display problems on Ubuntu 20.04, Lenovo X1 Carbon

Starting today (Aug 24) I observed intense screen flickering and tearing on my Ubuntu 20.04.3 on the Lenovo X1 Carbon. As far as I know, there were no shutdowns, updates, or changes. I observed this ...
theahura's user avatar
  • 101
0 votes
1 answer
119 views

Top row of pixels flicker magenta on any version after 20.04.2 LTS

(For specs please see below) Hi, I dualboot Ubuntu and Windows 10 on my laptop. I installed Ubuntu 20.04.2 LTS from a live USB and I was using it for quite a while without any problems. My frustration-...
itsnotthatbad's user avatar
0 votes
0 answers
441 views

Frequent screen flicker after kernel update

Been running Ubuntu for many years. After kernel 5.8.0.55 update to 5.8.0.59 screen flickers once or twice a second. It's variable but is continuous. Rebooted into kernel 5.8.0.55 and all is well. New ...
Kesselkopf's user avatar
2 votes
0 answers
595 views

Screen flickers when opening/closing apps in wayland

I am using Ubuntu 21.04, with AMD Ryzen 5 processor and RX 560X graphic card. When I open/close any app (Brave,VSCode,Slack etc) screen flicker with a delay of 1 sec it only happens in wayland never ...
Akash Chhabra's user avatar
1 vote
0 answers
351 views

How to stop screen from vibrating?

Couldn't find anybody else with the same or similar problem. After rebooting my computer one time, it just randomly started flickering all over. It's like my LCD screen is a CRT that's not set up ...
Dylan Turner's user avatar
-1 votes
1 answer
92 views

After Upgrade to ubuntu 18.04 laptop screen was flickering

I am using Dell latitude 3580 model recently i upgrade Ubuntu 18 .After upgrade my laptop screen was flickering frequently i checked Hardware that's fine no issues .Any solution for this to fix ? i ...
Kalai Mani's user avatar
1 vote
1 answer
293 views

Kubuntu 20.04 - Notification flicker

I am using Kubuntu 20.04 with KDE Plasma 5.18.4 My issue is: The notifications are flickering and I want to get rid of this. I tried various themes, compositors (OpenGL 3.1, OpenGL 2, XRender) and ...
pixelbash's user avatar
5 votes
2 answers
6k views

Strange graphics issues such as flickering application windows and inconsistent display lagging [duplicate]

My computer was acting really strange; the windows were flickering and parts of windows of different applications were partly appearing at random places. Also when I was typing, my computer seemed to ...
Ricoter's user avatar
  • 293
0 votes
1 answer
281 views

Flickering GUI Ubuntu 20.04 Desktop

I installed fresh copy of Ubuntu 20.04 Desktop version for more than a month, and everything was okay. Suddenly 3 days ago (without any new installations), everything became crazy whenever (specially ...
MohammedSimba's user avatar
0 votes
0 answers
316 views

Ubuntu 20.04.2 LTS flickering and flashing on/off problem

Hi I have an issue with my laptop. At first I reboot for some reason and the ubuntu login screen didn't show up. Then I have to change the display manager to light-dm. It was gdm3 and it was working ...
mnurk's user avatar
  • 1
3 votes
1 answer
636 views

Ubuntu 20.04 LTS flickering screen

I just installed a fresh Ubuntu 20.04 on my Lenovo Z580 laptop and it’s dual boot with Windows 10. Windows 10 runs fine, but whenever I launch Ubuntu, my PC screen starts flashing continuously. The ...
hossein shemshadi's user avatar
-1 votes
2 answers
550 views

Unable to install proprietary nvidia drivers on Xubuntu 20.04

I upgraded a bunch of old machines from Xubuntu 18.04 to 20.04, everything going smooth except a distressing flickering when windows go on focus or scroll (i can briefly see other windows that are in ...
Lorenzo Ceriani's user avatar
3 votes
1 answer
291 views

Colours dots move around when using firefox

Green, blue and black dots show on the screen when I use firefox. They move around and quicker when I write or do a search. Sometimes they appear thicker somtimes less. They don't appear in other ...
Sixten's user avatar
  • 33
0 votes
0 answers
2k views

Samsung TV blinking/blanking when connected via a HDMI cable - how do I get it stable?

I'm attempting to use a TV as an external monitor for my laptop, connecting with a HDMI cable. When I plug the cable into HDMI 1 (on the TV, the laptop only has a single HDMI port) both the laptop ...
Greg Shoults's user avatar
1 vote
2 answers
378 views

Ubuntu 18.04 window flickering/strobing white for specific applications

I've been having lots of graphical issues with specific applications on Ubuntu 18.04 using my Dell Latitude 7490. For instance on GitKraken: The same thing happens on: Zoom Slack Signal Skype ...
Nora NICOLAS's user avatar
1 vote
0 answers
42 views

Display weirdness after update, PC unusable

Please forgive me if this is already covered somewhere, I'm using the Stack exchange app on my phone because my PC is unusable. Today, I ran the usual updates Ubuntu provides me with, but when I ...
Vincent Guttmann's user avatar
0 votes
1 answer
1k views

Screen Flickering in 20.04

It wasn't much of a concern at the time, but now I'm forced to use Ubuntu. There are periods of time where the screen "flickers". By ''flicker'', I mean something refreshing the screen in ...
Gilgamesh's user avatar
  • 143
1 vote
0 answers
474 views

External monitor instability while connected via HDMI

Recently I tried using HDMI connection from my laptop to my second screen. I can connect to the screen without any problems, but the connection is very poor. The second screen keeps flickering and ...
Terra's user avatar
  • 13
1 vote
1 answer
3k views

Ubuntu 20.04, Nvidia GTX 1660 Super screen flickering [closed]

It seems like the problem is there only with Scaling set to 200%. If I use Fractional scaling and set 150% or 175%, there is no flickering. However, I dislike that that way the image is way less crisp ...
silverthorne's user avatar

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