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
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 ...
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 ...
3
votes
1answer
354 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 ...
2
votes
1answer
2k 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
1
vote
1answer
378 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 ...
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
1answer
420 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
1answer
806 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? ...
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 ...
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
1answer
611 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
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 ...
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, ...
0
votes
1answer
324 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
1answer
552 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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votes
1answer
78 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 ...
3
votes
0answers
563 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
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 ...
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 ...
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 ...
1
vote
0answers
97 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 ...
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 ...
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.
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, ...
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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. ...
1
vote
0answers
795 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
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
676 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
845 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 ...
0
votes
0answers
37 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
139 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
25 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
42 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 ...
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
0answers
57 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
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
88 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 ...
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
0answers
215 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 ...
0
votes
0answers
65 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 ...
-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 ...