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."

learn more… | top users | synonyms

0
votes
0answers
39 views

DualBoot Ubuntu 16.04 Directly Boots to Windows 8.1

I have Windows 8.1 and Ubuntu 16.04 on my system. Windows is installed on a SSD and Ubuntu is installed on a HDD. When I boot the PC it directly goes to Windows 8.1 I entered the Boot Menu and ...
0
votes
0answers
152 views

Ubuntu 16.04 not able to use latest nvidia driver

I can install nvidia-current (nvidia-304) without any major problems but when I try to install nvidia-364 I'm met with the Ubuntu loggo followed by a black flickering screen that after a few flicks ...
0
votes
0answers
27 views

Windows flickering, lag on window resize

I have a 3 Years old PC (GeForce GTX570, i7, 16GB RAM, SSD, 2x 24'' LCD monitors) and I installed Ubuntu 15.10 (I also tried with Mint). Depending on the graphic driver I installed, I got various ...
0
votes
0answers
45 views

Brightness function key resulting in flickering

Dell Inspiron n5110, I upgraded from Trusty to Xenial yesterday.. The one issue I can't seem to get past or over is that when I use the Fn keys to change the brightness, it results in random ...
1
vote
0answers
101 views

DisplayPort DP Problem (flickering of the monitor)

I'm using my HP Pro X2 612 Laptop with dual monitor. This works fine in Grub & Windows 8.1 But as soon as I boot in Ubuntu 15.10, my monitor, which is connected via DP, begins to flicker (here ...
0
votes
0answers
23 views

Totem slow when scaling 1080 video to 1440

I have an ultrawide 3440x1440 screen. When playing 1080 videos fullscreen, scaling to 1440, Totem gets slow and flickers. This does not happen with either Gnome MPlayer or VLC (they play the videos ...
0
votes
0answers
74 views

Display flickering video ubuntu 15.10 zenbook ux303ln nvidia

watching video from youtube or vlc or every others, I have horizontal lines... how can i solve it? lspci -k | grep -EA2 'VGA|3D' 00:02.0 VGA compatible controller: Intel Corporation Broadwell-U ...
0
votes
0answers
27 views

Mouse flickering Ati Radeon 7470 Ubuntu 14.04

I am currently running Ubuntu 14.04, Ati Radeon 7470. Everything works fine except for the mouse flicker ALL the time and if I disconnect and connect a monitor immediately log me off. I have not ...
0
votes
0answers
43 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
79 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
59 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
1answer
47 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
378 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
80 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
40 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 ...
9
votes
4answers
5k 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
22 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
89 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
168 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
70 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
86 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
216 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
500 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, ...
1
vote
0answers
40 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. ...
2
votes
2answers
1k 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 ...
-1
votes
0answers
797 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 ...
3
votes
3answers
7k 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
1answer
390 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, ...
0
votes
2answers
156 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 ...
0
votes
1answer
616 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 ...
1
vote
1answer
380 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 ...
0
votes
2answers
548 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 ...
1
vote
1answer
554 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 ...
1
vote
0answers
797 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
560 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 ...
5
votes
1answer
271 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 ...
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 ...
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
422 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 ...
1
vote
0answers
144 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 ...
1
vote
0answers
677 views

ATI HD5450 w/ Ubuntu 14?

So, I'm running Ubuntu 12.04 right now. Last night I realised that I'm way behind as we're up to 14! Decided to run the updater and figured I'd take the path of least resistance (but lengthy ...
0
votes
1answer
13k 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 ...
2
votes
1answer
347 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 ...
17
votes
5answers
28k 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: ...
3
votes
1answer
446 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 ...
1
vote
1answer
437 views

Dual monitor flickering in Ubuntu 12.04 with ATI

This question might have been asked before but the solution posted there don't work for me. I have a laptop with the usual VGA output for a second monitor. On Windows I had no problem with connecting ...
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
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 ...
0
votes
1answer
195 views

A problem with a strange flickering/undulating effect and a related question about drivers on Ubuntu

I have been having a very frustrating problem in Ubuntu. Sometimes, there is a graphical effect that can only be described as flickering or undulation. I think undulation is the most accurate one, ...
3
votes
1answer
728 views

13.04 flickering mouse pointer [duplicate]

I'm running 13.04 on my laptop. My laptop has a tendency to run really hot - to the point of thermal shutdowns if left unattended for a long period of time. I don't know if that's relevant. the mouse ...