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

11
votes
4answers
6k 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: ...
7
votes
4answers
9k 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 ...
5
votes
2answers
5k views

Brightness problem on a Samsung 530U3B

I am using Ubuntu 12.04 on a Samsung 530U3B laptop. Screen blinks on adjusting the brightness and CPU load grow up to 100%. Video device: Intel(R) Extreme Graphics 3 Controller. Seems like it ...
5
votes
1answer
3k 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 ...
4
votes
1answer
221 views

Stopping the menu icon flicker

Every time I click on the application or system menus, I notice that no icons show up for a second, then they page in. Is there some way to explicitly tell Ubuntu to cache this? My SuSE (GNOME) ...
3
votes
2answers
6k views

Screen, windows, and menus are flickering horribly

I just installed 11.04 (with updates/ubuntu extras installed). I am using a Dell Dimension 3000, and it is apparently not capable of running Unity. There was no flickering during the install, but ...
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 ...
3
votes
0answers
68 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 ...
3
votes
1answer
604 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 ...
3
votes
1answer
253 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 ...
3
votes
1answer
941 views

Flickering with experimental driver on a Geforce 8200M [duplicate]

I've just installed Natty in a laptop with a non-working back-light, so I have to use an external monitor in order to see anything. The problem is that the two nVidia proprietary drivers available ...
2
votes
1answer
626 views

Flickering monitor connected by VGA to new System76

Setup: New System76 Lemur laptop running Ubuntu Unity 12.10 is connected via VGA cable to a new dell Ultrasharp u2312hm 23-inch monitor. Symptom: The Dell monitor has an annoying flicker, like ...
2
votes
1answer
137 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 ...
2
votes
1answer
3k views

Screen brightness flickering on a Samsung laptop

I have just installed Ubuntu 12.04 via the wubi installer. I have Windows 7 installed as my main os. Now when i turn on my computer and go into Ubuntu my screen brightness is on max. When i then turn ...
2
votes
1answer
434 views

What exactly is --no-daemon function in Gnome-power-manager

I have problem with monitor flickering and here i found that possible solution is to run gnome-power-manager like this: gnome-power-manager --no-daemon For some people this fixed the issues. I am ...
2
votes
1answer
233 views

Windowed SDL apps are all flickering with a SiS graphics card

So when I'm using an SDL app like Wormux, the screen flickers like the app was in fullscreen to the actual desktop with the SDL window. This doesn't occur on my other PCs, which use Intel Extreme 845G ...
2
votes
0answers
688 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 ...
2
votes
1answer
952 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
2
votes
0answers
398 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 ...
2
votes
1answer
364 views

WUBI boot error [closed]

I installed wubi netbook edition a week back from win xp service pack 2 When I boot into Ubuntu the screen flickers and it reboots. Now I don't have Windows anymore on my notebook asus L3800. It ...
1
vote
2answers
531 views

Kubuntu 13.04 Live USB works, graphics crash when installed

I'm trying to install Kubuntu 13.04 on my laptop from a live USB. The live USB works fine, graphics, wireless etc. It all works. Installation works as well, but when I try to start the newly installed ...
1
vote
0answers
191 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 ...
1
vote
1answer
122 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
76 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
246 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 ...
1
vote
0answers
205 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
156 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 ...
1
vote
0answers
169 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, ...
1
vote
0answers
49 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? ...
1
vote
0answers
840 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
0answers
235 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 ...
1
vote
3answers
4k 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 ...
1
vote
1answer
658 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? ...
1
vote
3answers
11k 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 ...
1
vote
0answers
741 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 ...
1
vote
1answer
1k views

screen flickers after waking from blank screen

Every time I lock my screen and then unlock it again I get a really annoying screen flicker that stays until the next reboot. It's not like a graphic glitch it's like the screen is refreshing at a ...
1
vote
0answers
496 views

Why does my screen flicker whenever I'm in a 3D program? [closed]

I just built a new computer and installed 11.04 on it. All was perfect for a few days, then this morning, SuperTuxCart and Minecraft (both 3d and the only 3d programs on this machine, coincidence?) ...
1
vote
4answers
7k views

GNOME Shell flickering with ATI proprietary drivers

Works fine with opensource drivers, but with catalyst flickers everytime you press on activities or the lower right bar. I have 01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon ...
0
votes
1answer
510 views

Screen flickering / scrambling on an Asus UL30A

Recently my Laptop screen started to flicker. You can view the phenomena here: YouTube Sometimes the screen is totally scrambled, but most of the time it starts with the Title bar only. It happens ...
0
votes
1answer
466 views

Ubuntu Display repeats itself

I blew away Windows XP using the Ubuntu disk today on my Dell Inspiron 1100. After Linux installed and I rebooted, the display of Ubuntu seems to repeat itself. So I have two login screens, and each ...
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 ...
0
votes
1answer
1k 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 ...
0
votes
2answers
905 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 ...
0
votes
2answers
2k 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
2answers
416 views

Kubuntu corrupt screen after lid close/screensaver

I've seen a few other Q&As around this, but nothing that is exactly what I'm experiencing. I have a new Lenovo X220 which I'm running the latest Kubuntu on. If I close the lid when I open it I ...
0
votes
1answer
626 views

Monitor blinking

I have Ubuntu 10.04, my laptop is ASUS k50ij, intel duo t3000, 2gb ram, 320 HDD, intel gma 4500M video card. My problem is that a couple days ago my monitor had start blinking for a few seconds. Then ...
0
votes
0answers
16 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
0answers
29 views

14.10 unity | Pointer Flicker & can't move launcher | Dual monitor w/ dual video cards

I have a clean 14.10 desktop install (specs below) with two video cards each powering an HDMI monitor I have two issues, which I believe are related: the left monitor has regular pointer flicker, ...
0
votes
1answer
69 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
0answers
148 views

Ubuntu may have broken Windows 8 partition, endless flickering loop on boot. Can I still get information in it? [duplicate]

I own an MSI GE70 2OE-107US with Ubuntu 14.04 dual-booted with Windows 8. After a gaming session in Linux, I had to switch back to Windows. I reboot, and I get this whenever I select the Windows Boot ...