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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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 ...
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1answer
420 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 ...
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6k views

Black screen on boot [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I've just installed Ubuntu and i can't access the desktop because the screen sometimes flickers ...
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1answer
502 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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2answers
611 views

Annoying Screen Flickers on MSI U120

My screen brightness changes on my MSI U120 when I log in. I can fix this by switching workspaces, and the screen will stay at a constant brightness. Changing the brightness using the function keys ...
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1answer
952 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 ...
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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 ...
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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 ...
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485 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?) ...
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2answers
404 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 ...
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1answer
908 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 ...
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2answers
5k 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 ...
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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 ...
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1answer
412 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 ...
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1answer
622 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 ...
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1answer
228 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 ...
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1answer
219 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) ...