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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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 ...
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1answer
897 views

Mouse Flickering/Disappearing

When I move my mouse around in Ubuntu 12.10 it flickers. When it's not moving it disappears. Any ideas? Info Macbook Pro 7.1 Nvidia 320m Ubuntu 12.10
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1answer
239 views

Grub menu screen flicker

I am having a strange problem on my Dell Inspiron 1505 laptop. When starting the computer the grub screen flickers or every few seconds. I don't know if it would be called a flicker. The screen ...
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1answer
75 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 ...
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1answer
151 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 ...
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1answer
634 views

Screen flickers with Nvidia GPU

When I install the Nvidia driver (have tried both current and post-release current) the monitor flickers every time I open a new window/program such as Firefox. I don't know what else I'm going to do? ...
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1answer
39 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 ...
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1answer
151 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, ...
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1answer
508 views

screen brightness flickering

After installing ubuntu 11.10 screen started flickering between two brightness levels i gues its not hardware issue because everything worked perfectly fine on windows which i have been using before ...
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1answer
674 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 ...
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0answers
41 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
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0answers
370 views

Screen flicker on mouse scroll

When i log in, everything works well for 5 minutes, then there is blank screen for 2 sec and again the display comes on the monitor but after that, the screen starts flickering on mouse scroll and the ...
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0answers
57 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 ...
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0answers
138 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 ...
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0answers
195 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 ...
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0answers
154 views

How to resolve screen flickering in Ubuntu 12.04 LTS?

I have been using Windows XP Professional for a long time. Recently I switched to Ubuntu 12.04 LTS. I have installed Ubuntu alongside Windows XP Pro, but the problem is that whenever I start Ubuntu, ...
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0answers
44 views

Video Flickering with Kazam

i'm using ubuntu for first time since yesterday, i recorded a video with kazam, all was smooth and perfect in live performance, but recorded video have some flickers, ¿this is because a faulty driver? ...
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0answers
786 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 ...
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0answers
225 views

13.04 Video & Flash player flickering using Gnome Shell

Setup Ubuntu 13.04 x64 Graphics card: ATI HD 7850 Graphics Drivers: I have the proprietary drivers CPU: i7 2600k Ram: 8GB Problems Firefox: HTML5 and CSS3 stuff sometimes behaving strange/sloppy ...
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0answers
725 views

System is responding too slow after installing Nvidia drivers in Ubuntu12.10

My monitor was flickering after booting Ubuntu 12.10. The problem was increasing if I start moving my mouse and when it is kept idle, the flickering used to stop. My system has an AMD 32 bit ...
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0answers
17 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 ...
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0answers
47 views

Screen Flicker on Ubuntu 14.04, Lenovo W540

I have one external monitor connected to VGA output. In Ubuntu's System Settings -> Displays, the built-in display is disabled and the external monitor enabled as the main screen. With this setup, ...
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0answers
67 views

Lock screen flickering Acer Aspire E5-511

I got my new Acer Aspire E5-511-P2AV and installed Ubuntu 14.04. When I lock the screen the screen begins to flicker. Every 2-3 seconds the brightness goes up very shortly and then it's black again. ...
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43 views

Need solution for flickering mouse cursor in Ubuntu 14.04.

I made a fresh Ubuntu 14.04 installation on my lenovo laptop (z570). After successful installation, the mouse cursor is flickering and disappearing. I tried disabling the unknown display in the ...
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0answers
14 views

Screen sometimes keeps cycling between the updated view and the last view

I have installed Ubuntu 14.04 in my new computer and the screen sometimes keeps cycling between the updated view and the last view as shown in this video. It also happens outside the terminal and in ...
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0answers
142 views

Lenovo IdeaPad N580 - Screen ALWAYS Shaking/Flickering

The screen flickering all began a few weeks after installing Ubuntu 13.10, and (unrelated to this specific problem) the laptop wouldn't upgrade to 14.04 through the usual way. Recently, though, I ...
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0answers
115 views

Screen Flickers on Live Boot : Dell Inspiron 1440 : Ubuntu 12.04 / 13.10 / 14.04

When booting from Ubuntu Live USB, the screen fickers (right on the ubuntu logo) very fast and the boot process hangs. I have tried to boot the following versions but all of them have the same issue. ...
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0answers
29 views

AMD Radeon problem

I have an AMD Radeon HD 7870 graphics card with the mesa/fglrx drivers. Everything works except for the HDMI connection, it flickers with the colors on the screen. VGA/DVI works fine. I have Catalyst ...
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0answers
562 views

Permanently disabling screen blinking Dell Vostro 3350

I've an old issue described here, to keep it short, after few seconds to one minute after boot screen starts flickering - windows and other elements rapidly turn white and go normal again. Problem ...
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0answers
228 views

Google Earth display problems - no imagery and flickering

Google Earth installed fine and loads up OK but it never shows me any background imagery. Also the top of the display flickers intermittently even when nothing is moving. See screenshots below. I ...
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0answers
69 views

Screen flickers every few seconds in Ubuntu 12.10

I recently got a nice big monitor for my computer running Ubuntu 12.10 & when I changed over from the old screen it started flickering very few seconds - anyone know why & what I can do to ...
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0answers
106 views

Compiz and Intel g33/g31 flickering screen

I have installed Ubuntu 10.04 on a PC Celeron dual core 2.5 GHz, and 2 GB of RAM. The integrated video is 82G33/G31, and I have problems with flickering screen when playing videos with Compiz enabled. ...
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58 views

ubuntu 12.04 login screen flickering

I have ubuntu 12.04 LTS installed on dell C2Duo machine. Its login screen is flickering randomly. Can any one help me What's the mess this is? Thanks
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37 views

Screen flickering after forced termination

After a forced termination of Ubuntu (battery on laptop died while on suspend mode) the screen seems to flicker a little bit. It is not a very intense flicker, more like a rectangular of 3 fingers ...
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0answers
183 views

black flickering lines showing on the screen after booting ubuntu 12.04.3 in my vaio sve15136cn (dual boot with win8) amd radeon 7500M

I have a Sony vaio running on dual boot with windows 8 x64 recently updated to 8.1 and Ubuntu 12.04.3 x64 by disabling secure boot but uefi is enabled. I have repaired the boot and now i can select ...
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0answers
63 views

Need help Video card issue

how can i fix the problem with the image? If you look at the top-left of: Text and some images starts flickering. I have 2 Nvidia GTX460. Drivers are "unknown" according to "About this ...