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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2answers
3k views

Flickering in KDE Plasma 5.4

I am facing flickering in KDE Plasma 5.4. Flickering stops when I change Compositor Rendering Back-end To OpenGL 3 and then change again to OpenGL 2. OS: KUbuntu 15.04 Graphics: Intel HD 4000
0
votes
0answers
10 views

Screen Flicker - Dark Colors

Im having as strange screen flicker. It only starts when a window with dark color its present in the screen, like Putty console that have black background. My laptop is an ACER ASPIRE 5551 with an ATI ...
0
votes
2answers
56 views

Nvidia graphics fllicker on 8200MG laptop

New to this forum but have had Ubuntu for a few months now. I wrecked my first install after trying to fix the screen flicker problem. I had the login where there was a choice of several desktops, ...
0
votes
0answers
31 views

Display flickering while watching video on my HP-ENVY-TS-m6-Sleekbook

I am new to Ubuntu and I have installed Ubuntu 15.10 couple of days ago. While watching some videos on my Google chrome browser in full screen mode I have noticed some flickering on my monitor. I am ...
0
votes
2answers
3k views

HP EliteBook 8440p screen flickers after blank screen (nvidia)

When my screen turns blank after 10 min or after locking the screen and I begin using the laptop again, the screen is flickering. It looks as if every second line of pixels is blinking and the ...
0
votes
1answer
36 views

Mouse flickering after fresh install

I'm having quite an annoying problem. Just this morning I installed Ubuntu (alongside windows) and I immediately noticed that my cursor is flickering. I searched through askubuntu.com and I found that ...
2
votes
0answers
302 views

Flickering screen appears while starting lenovo G580 laptop with ubuntu 15.10

I have recently installed Ubuntu on a Lenovo G580 20157. During the installation an error message showed up and the screen flickered. But when I pressed the Esc key the flickering stopped and Ubuntu ...
-1
votes
1answer
54 views

Ubutnu Screen Flickering after Changing Brightness

I have an Acer Aspire 5742G latop with Ubuntu 12.04.5 LTS. Firstly I had a problem with the brightness (i couldn't change it) but afer I changed GRUB_CMDLINE_LINUX_DEFAULT to ...
1
vote
0answers
32 views

Ubuntu says I have two display and cursor flickers

Hello I recently installed Ubuntu 14 on my macbook pro and I'm having an issue with the display settings on it. My cursor seems to flicker and disappear most of the time. I also noticed I have two ...
12
votes
4answers
7k views

Google Chrome “Flickering”

I am having a problem with Google Chrome on Ubuntu 12.10 64. On about 20-30% of web sites the page comes up and starts "flickering". It seems like there is a different or partial rendering of the ...
0
votes
0answers
21 views

My screen gets brighter when I close applications and darker when I open them?

It almost looks like a flicker. I'm using Ubuntu 14.04 on a computer with the latest proprietary nvidia drivers. Also it happens on all applications.
0
votes
0answers
74 views

The flickering in unity launcher search box

Whenever I try to write something in the search box on the Unity launcher, the screen flickers and the search process slows down a bit. Do I need to install additional softwares for my old graphics ...
1
vote
0answers
143 views

Screen Flicker in Ubuntu

My Ubuntu PC's screen flickers every time I boot up. Sometimes, when it stops, it starts again when I move my mouse. My laptop has its own graphics card. Nvidia Geforce 8200m G.
0
votes
0answers
66 views

Screen flickering on my Toshiba PRO Satellite P505D-S8935

I have a Toshiba PRO Satellite P505D-S8935 running the recent 14.04.2 LTS release and the screen flickers on and off rapidly. but everything works fine but it flickers all the time. I did some ...
0
votes
1answer
509 views

Persistent Display Issues in Ubuntu 14.04 on Toshiba Satellite L75 B7270

At the very top of my screen there is a thin flashing pink line, and all the virtual consoles sport several multi-colored vertical flashing lines, and the console text flickers. Some specs: I ...
0
votes
1answer
78 views

Ubuntu Flickering windows

I recently installed nautilus 3.1.12 following this website and it have left me flickering windows. All my browser, ide, options are flickering and it seems like the ui is basic one not gnome. How to ...
0
votes
0answers
30 views

Screen flickers while booting and mouse invisible

I am new to Ubuntu, and I just installed it on my machine, a few days later, the screen now flickers (when the computer is starting up), and now the cursor is gone. I have searched for solutions ...
2
votes
2answers
908 views

Cursor flickering and disappearing with dual-screen setup

I've recently installed Ubuntu 15.04 under unity and set up a dual screen. For the two screens I'm using my GTX 760 using Nouveau drivers (I couldn't use nvidia's because they were not working, but ...
0
votes
0answers
203 views

Ubuntu 15.04 intermittent screen freezing

I have updated from Ubuntu 14.10 to Ubuntu 15.04 and I am having intermittent screen cuts or screen flickers every 8 seconds approximately. Each flicker is very short, less than a second (maybe half a ...
1
vote
0answers
425 views

Ubuntu 14.04 flickering screen on high resolution

I have a Dell Inspiron 15 7000 7548 with Windows 8.1 and Ubuntu 14.04 dual boot. It has a built-in 4k display with Intel HD Graphics 5500(Broadwell GT2) graphics. Everything runs as normal on Windows, ...
2
votes
1answer
9k views

Why is my screen flickering while watching some flash videos?

I'm having an issue where on many flash videos (AMCTV's sites videos allow me to reproduce this consistantly) flicker. The bottom half of my laptop or vga monitor's screen will flash white or turn ...
3
votes
3answers
6k views

Vivid Vervet upgrade mess - flickering

I upgraded to Ubuntu 15.04 which was just released. After reboot, I get as far as the login screen but it only appears for a second, then it goes to an infinite loop of screen flickering. How could I ...
1
vote
0answers
36 views

Unity Dash Flickers Instead of Opening

When I hit the meta key or click on the dash button, the dash will open very, very briefly and then immediately close. It is so quick I cannot read anything in the dash, let alone click anything. ...
1
vote
1answer
496 views

Weird (and annoying) screen flicker on Compaq Presario CQ50

I have a Compaq Presario CQ50 laptop. It is running Windows Vista Home Premium and Ubuntu 14 LTS. I have a NVIDIA GeFORCE 8200M G. I installed 331.79 drivers for it (as recommended in another post) to ...
0
votes
1answer
505 views

Dual monitor setup - filickering issue with ATI Radeon open source driver

I'm having a flickering issue on a Toshiba Satellite A305 laptop with Radeon Mobility HD3450 graphic card and external monitor setup. Ubuntu 14.04 with NO proprietary ATI drivers installed. The dual ...
0
votes
0answers
752 views

NVIDIA drivers cause screen flickering (Ubuntu 15.04) (Dell Inspiron 15-3542)

Installing NVIDIA drivers (340.76 proprietary or tested) from Additional Drivers causes screen flicker and doesn't go into the GUI. To be clear, laptop has Dual Graphics (NVIDIA GeForce 820M and Intel ...
0
votes
2answers
142 views

Ubuntu constant screen flicker. Running hot

I recently installed Ubuntu on my hp desktop and I've had a lot of problems. After the initial install I got a lot of screen flicker and it eventually overheated and turned off (when I tried to turn ...
15
votes
5answers
24k views

Weird partial screen flickering after upgrade to 14.04

I have been bothered by this issue for few weeks already. The problem started when I upgraded to 14.04. Parts of my screen are sometimes flickering like shown on 2 videos that links I attach below: ...
0
votes
1answer
11k views

YouTube Videos are flickering on Chrome

I am using a Lenovo IdeaPad U430p with Ubutu 14.04 LTS. There is a GeForce GT 730M built in and there are also some drivers available: NVIDIA binary driver - version 331.38 from nvidia-331 ...
1
vote
1answer
323 views

14.04 w/ Intel HD 4000 display crashes when changing resolution

So, I just upgraded to Ubuntu 14.04 over spring break because MATE seems to have gotten to a point that it is generally usable with Compiz for me. I did a minimal install, and put MATE on top of that, ...
3
votes
1answer
405 views

Mouse Flicker on Triple Monitor setup Ubuntu 14.04

I am currently running Ubuntu 14.04 with Kernel version 3.13. I have two ATI HD4650 graphics cards and am attempting to push display on 3 monitors. The first card is attached to 2 monitors via an HDMI ...
5
votes
1answer
222 views

Mouse is blinking/flickering at my built in monitor with an external monitor, please help

I am using a Thinkpad W530, and due to my works, I need to use an external monitor. I am using nouveau and nvidia-prime to switch between intel and nvidia adapter. After I connected and switched on ...
5
votes
4answers
20k views

Fixing the Nvidia Graphics Screen Flicker Issue

I know there are a lot of questions about this -- I've read at least 100 questions about it but still can't find a solution to the Nvidia screen flicker issue. I've had this issue since 11.10. The ...
0
votes
1answer
322 views

White, red and green screen flicker

I updated 12.04 this morning through the update manager (can't remember what it was, but it was only one thing) and everything was fine up until a few minutes ago when my screen changed and began ...
0
votes
0answers
98 views

Laptop Monitor Flicking then turning completely black when using Ubuntu

When I am using my Ubuntu on Virtual Box, my laptop screen blinks then turns black. The only way I've found to be able to bring my laptop back is Ctrl +alt +del. The laptop is still on but the monitor ...
0
votes
0answers
260 views

Kubuntu 14.10 screen flickers and chunks of it turn black while resizing windows

With any window,when I resize it by dragging the sides or corners, the screen flickers gray, black, all around the window, just a bit irritating. Has anyone encountered this and have found a fix ...
0
votes
0answers
483 views

Ati Radeon RS690 Flickering

Just installed Ubuntu 14.04.1 LTS on a Toshiba Satellite A210 Laptop The Graphic chipset is ATI RADEON R690. I have a gentle but fastidious flickering, you can see in this youtube video: ...
0
votes
2answers
1k views

Screen flickers on a Lenovo y460 laptop

I have a lenovo y460 laptop with hybrid graphics. it's a nvidia optimus card and a integrated intel graphics. I'm only using the integrated chip and i don't want use the nvidia card the problem ...
1
vote
0answers
1k views

Flickering/Flashing screen problem related to keyboard

This will seems quite bizarre but that's a huge problem for me, I'm facing it for a long time since Ubuntu 12.04. My Ubuntu/Linux Mint/Debian (Unity/Gnome) always starts flickering after using the ...
1
vote
1answer
317 views

Screen repeatedly goes black for a few seconds after suspend

When I suspend my laptop and then resume, the screen repeatedly goes black for a few seconds and then returns to normal. This happens randomly about once a minute without my behaviour having any ...
2
votes
0answers
2k views

How to fix Xubuntu 14.04 screen flicker that started after update?

Every few seconds the entire screen flickers. This began after updates over the weekend (30-31 August). The machine is a Toshiba Satellite P200D, 2GB, AMD Turion 64X2 running Xubuntu 14.04. Things ...
1
vote
0answers
737 views

Firefox flickering issue

I'm running Xubuntu 14.04 The image below shows the problem with the new animated homepage. I got the same kind of problems with some some videos that don't come from youtube. It seems like there ...
0
votes
1answer
519 views

14.04 live whole screen flickers

Trying to live boot(and install) ubuntu-14.04.1-desktop-amd64.iso from a usb-stick and it gets to some login screen before the entire screen flickers or rather rerenders over and over. Machine is ...
0
votes
1answer
5k views

How to resolve screen flickering in Xubuntu 14.04?

I have been using Xubuntu 14.04 alongside Windows XP. Today all of a sudden while surfing the Internet the screen started flickering. I restarted the computer, it ran successfully but the same issue ...
1
vote
1answer
386 views

Screen flicker present in all operating systems after error in Ubuntu Touch [Nexus 7 2012 wifi]

I installed Ubuntu Touch stable 10 with MultiRom. When I swiped from left to right Ubuntu froze and the screen started to flicker. I have removed Ubuntu Touch and still have the stock Android 4.4.4 ...
3
votes
3answers
2k views

Flickering on youtube

All the videos on youtube are flickering on my Ubuntu. See screenshot: http://imgur.com/51dAk This happens with HTML5 enabled and disabled. I am running Ubuntu 12.10 on a Thinkpad X61s. This only ...
0
votes
2answers
2k views

Ubuntu 14.04 LTS screen is flickering on Dell Optiplex 9010 AIO system.

I have just installed Ubuntu 14.04 LTS alongside Windows 7 on Dell Optiplex 9010, all in one system. As I boot from my bootable pendrive then screen flickers. I thought that problem may get solved ...
2
votes
1answer
312 views

Previous frame seems to flicker in any type of window

Recently my 14.04 setup has run into some strange problem. Basically almost all windows (often) start flickering the "previous frame" (or that is what it feels like). There doesn't seem to be any ...
1
vote
0answers
133 views

Latitude e6500 Flickering Sreen

I just installed Ubuntu 14.04 on my Dell Latitude e6500 (deleting Windows 7 in the process) and it seems to be running well except every 10 seconds or so the screen becomes very flashy/blurry. This ...
7
votes
4answers
12k views

cursor jumps when moving (and some other times)

i updated to 12.10 beta 1 when it was released (coming from 12.04 fresh install, i skipped the alpha releases of 12.10) since then i've done all the usual updates but ive had an issue with my cursor ...