Ubuntu Installation :: Screen Flicker During And After Installation

Jun 15, 2010

I've just installed Ubuntu 10.4 alongside Windows. During the installation process, everything was black, then it flickered for a couple of seconds, then went black again. This happened many times. After the installation, I was hoping it would stop, but the same thing happens at the login screen. It flickers for a couple of seconds, then goes black. I figure it has something to do with my display drivers, but I don't know how to install them without using Ubuntu. If it makes any difference, I have an ATI Radeon 4890 video card.

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Ubuntu Installation :: Dell Monitor Screen Flicker - How To Fix It

Sep 11, 2010

I was on earlier 9.x version of ubuntu with following configuration working perfectly: IBM ThinkPad T60 with ATI Technologies Inc Radeon Mobility X1400 VGA graphics card (found it from lspci) With an external Dell 19" monitor attached to it. I upgraded yesterday to Ubuntu 10.4 LTS and now the Dell monitor screen keeps flickering all the time! I always work with an external bigger monitor attached to my laptop as working for long hours on the smaller screen of the laptop gives me headache. The frustrating point is, this setting was working perfectly until I was on Ubuntu 9.x, I upgraded to 10.04 LTS and this has stopped working.

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Ubuntu Installation :: Distracting And Unusable Screen - Flicker In 10.10

Oct 13, 2010

Screen flicker Ubuntu 10.10
After installing Ubuntu (Version 10.10 DVD �amd 64Ubuntu 10.10 live DVD).
On the following hardware
Gigabyte GA-K8VT800-RH motherboard
3GB ram
AMD Sempron 3400 cpu.
ATI Radeon X1600 Pro Video card. 256M ddr2 AGP VGA/TV0/DV1-1
p/no 882c85-03

The screen resolution looked very good with all screen resolutions working well The colours and fonts very clear. All other device drivers worked 100%. But unfortunately the display flashes about every 10 seconds and the partial beak up of the display only lasts a fraction of a second and very distracting and is unusable. Testing with Ubuntu 10.10 live DVD. With this months Linux Format Magazine also exhibits this problem. However deleting the partition and installing Ubuntu 10.04 Beta1 DVD -386. And all updates downloaded. Works 100% with no screen flicker.

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Installation :: Flicker While Booting From FC10 LIVE?

Feb 9, 2009

I am getting a flicker when FC10 Live boots and then it just freezes. I am guessing that the video driver which is loaded when X starts is not the right one I have an nVidia GForce 7025.

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Fedora Installation :: Acer 5004 Display Flicker - Pixels Are Miscolored

Jun 17, 2010

I have an Acer Aspire 5004 WLMi laptop with the SiS M760GX video chip. Under Gentoo the graphics worked perfectly but not so under my new Fedora 13 installation. There is enormous flicker with large regions where the pixels are miscolored. I used

Code:
# X -configure to create the xorg.conf file which is here. It contains the same driver, SiS, which worked under Gentoo.

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Ubuntu :: Get Screen Flicker Randomly After Every 1 Min

May 13, 2010

I have downloaded the ver10.04. I am running it on my laptop with a NVIDIA GeForce GO 7600 128MB graphics card. I am using the NVIDIA driver on the system. The screen flickers randomly after say every 1 min. By flickering I mean it just refreshes and goes blank for say 1ms during the refresh. It happens even more if I turn on CompViz option.

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Ubuntu :: Nvidia Screen Flicker Only When SLI Is Enabled?

Jun 12, 2010

I've tried both the x86 and x64 versions of Ubuntu 10.04 and installed the current Nvidia hardware drivers on both. Everything works fine until I enable SLI with the --sli=AFR or --sli=OnOnce SLI is enabled there is extreme flickering relating to anything graphical.Including Compiz effects and any opengl software.Disabling SLI returns the compy back to it's good self.I would love to utilize SLI, however can't seem to find a solution for this bug.

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Ubuntu :: Screen Flicker After Suspend / Hibernate?

Oct 4, 2010

All is in the thread title. When I log back in after suspend or hibernate I get a lot of flickering on the screen. I noticed (I think) that it calms down a bit when streaming video from the net, if that gives any clue...

I'm using a dual boot with Vista basic/lucid lynx on an Acer Aspire 5100 laptop.

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Ubuntu :: Login Screen Flicker Then Get Normal

Mar 10, 2011

I am having a funky issue at login. When I enter my username/password at login with the GUI (I disabled the list of users some time ago) the screen will flicker then return me to the login screen. There is no notification of an error. It doesn't matter if I try the recovery console or safe mode there is the same issue when I try and login with this user. However, I can login with a different user open a console and su to that user that wouldn't login at the GUI.

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Ubuntu :: Black Screen Flicker In 11.04 / Gnome3?

Jun 16, 2011

I'm getting the occasional full-screen black flicker on my laptop, it's an Asus G73JW with an nVidia 460M card, running the restricted drivers. I've installed Gnome3, and so far like it more than Unity, but the flickering needs to stop

I've also noticed that some animations aren't as smooth as they should be, like when I hit the top-left corner to bring up the dock it studders just a wee bit.

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OpenSUSE :: 11.3 KDE - Frequent Flicker On Screen

Oct 7, 2010

openSUSE 11.3 KDE There is a frequent flicker on my screen. Some application OR notification just pops and disappears( giving an impression of a flicker ). How do i find out which application OR notification is it.

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Ubuntu :: Power Cord Makes Screen Flicker?

May 25, 2010

I have LucidLynx installed on my eeepc 1005PE. I am currently using it under the gnome interface but i also have the notebook version of it installed (probably because i got a notebook remix of it, not quite sure). All is well except for the following: after i power up my notebook, login and i can see the panel i plug the power cord in. And the my screen starts flickering in orangeblack colors. Nothing i do seems to take it out of this state but a good old hard-reboot.

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Ubuntu :: GTX 460M: Clock Changes Make Screen Flicker?

Dec 6, 2010

My G73JW works really great except for 1 thing. A change in the performance level causes short black flickering on the display, which is absolutely inacceptable (e.g. with compiz). Setting the preferred mode to "performance" locks the performance level and helps but seems like a bad solution (batter life and heat).

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Fedora Security :: User "jetty" Is World-readable - Screen Started To Flicker Some Time ?

Oct 3, 2010

This morning I ran sectool (in terminal for the first time. Before that I used sectool-gui) and I got this (written to file)...

See attachment please..

I think... the user "Jetty" may be a part of (or has something to do with SQL?).. This machine I have is not a server (in fact I know pretty much nothing about web servers).. this machine is used purely for local app development (python PyQt4/ and C++/wx - making games, general utilities, specialized calculators...etc)

So... Can anyone please tell me who the user "Jetty" is ? (The others are safe, I compiled python/SIP/PyQt4/wx/aliens from source... so that;s probably why it doesn't belong to packages.

Plus, My screen started to flicker some time (could it be possible someone is messing w/ my xorg configs?)

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Ubuntu Installation :: Can't Boot 10.04 Disc - Boots To A Purple Screen Then It Goes To A Black Screen With A Load Of Writing Nothing Else Happens After Screen

May 12, 2010

I can't seem to get Ubuntu to run on my old Dell Dimension 2300. It boots to a purple screen then it goes to a black screen with a load of writing nothing else happens after this screen. [URL] Could someone advise how I can get it to work?

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Ubuntu Installation :: After Installation Automatically Boots Into A Black Screen With Blinking Cursor?

Jun 24, 2010

Problem-PC automatically boots into a black screen with blinking cursor. No message or nothing

I have 4 HD. Primary drive has Windows Vista, Secondary no OS installed. Sata1 HD Ubuntu 10.04, Sata2 Windows 7. Prior to installing windows 7 all was perfect but once I did it, grub got all screwed up. The only way I can boot into grub is if I manually select my Sata1 which has Ubuntu on it and only then it allows me to select Linux or Windows OS. How can I change that so it can boot up normally as before? I'm assuming that grub was installed in the primary drive which has vista on it, but once I installed windows 7 it got deleted and when I tried reinstalling Ubuntu, the grub was not installed in the primary drive.

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Ubuntu Installation :: Intel 82865G Chipset - Black Screen During Installation?

Jun 29, 2010

I have spent the better part of 2 days perusing these forums for assistance. Here is the short story:I run a 7 year old custom build with a 82865G Intel Chipset and a NVIDIA FX5200 graphics card. Had been running a sluggish XP and after adding 2GB of fresh RAM wished to start fresh with my old friend, Ubuntu.

I've tried 10.04 LTS with and without my NVIDIA card installed with no luck. I have successfully installed 10.04 using the alternate install, but this also goes to black. I can hold shift to see GRUB and play around there, but no luck so far. I've also tried 9.10 but have not gotten past the pulsing Ubuntu image. I've seen plenty of support for NVDIA and Intel onboard graphics chips suggesting boot commands like nomodeset and i9015.modeset=0/1...it's all falling short.

I'm heavily leaning towards just installing an earlier LTS or a different linux distro all together. If there no one can help me debug, maybe someone can suggest a distro that will make me happy.

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Ubuntu Installation :: Only Get 1/2 Screen After Installation, And Force Back To Debian Squeeze?

Jul 6, 2010

My laptop is Toshiba Portege 2000. Every time after I installed new ubuntu release, I have to replace the xorg.conf to fix the resolution problem b/c I got 800 x 600 screen only. However, after the 10.04 installation. I only got 1/2 of the screen of resolution. I cannot even see most of my terminal screen.

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Ubuntu Installation :: Dell Latitude E6510 Installation Black Screen?

Oct 16, 2010

I've installed ubuntu 10.04 onto my Dell Latitude e6510 (through the wubi installer), but I can't get anything except a black screen. I'm pretty new to ubuntu, but after a bit of looking around at graphics issues I found a bunch of boot parameters and tried different combinations of them. i915.modeset=0 Gave me the purple loading screen, until the screen went black and I got flashing caps lock and scroll lock lights.xforcevesa gave me a completely black screen -- not receiving power at all

I also tried noapci, acpi=off, irqpoll, and pci=routeirq as parameters. None of those had any success.I've also tried letting ubuntu boot with a black screen until I heard the African drums and pressing Ctrl+Alt+F1 to go into the console, but the screen stayed black then as well.

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Ubuntu Installation :: Fail Installation, Now Windows Blue Screen Of Death?

Mar 9, 2011

I just finishing burning ubuntu on my laptop and was getting ready to partition my disk to allow space for ubuntu. I restarted my computer and when it was restarting ubuntu logo came up (as it booted from the disc). I was not wanting to install it at this moment so i was waiting for it to load then cancel it(just like a windows installation).It then froze and became pixelated with green and white colours.I thought it was nothing maybe just an error in teh disc. I waited 5-10 minutes then held the power button to shut it off. I then went to settings in the bios and changed it to boot from hdd first. After restart, windows began to load for like 3 seconds then blue screen. I dont know what went wrong or why this is happening.During installation of Ubuntu on my second try I keep getting:sudo: can't read /etc /sudoers: Input/Output errorsudo: no valid sudoers sources found, quittingWhat are the odds of me still having my windows 7 data?and could Hiren's boot cd help?

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Ubuntu Installation :: 11.04 - Wubi Installation (Dell1520 / Nvidia) - Unreadable Screen

Apr 29, 2011

i just tried to install Ubuntu 11.04 (x86) on my Dell Inspiron 1520 Laptop (with a Nvidia 8600M GT graphics card) with Wubi. A normal installation try resulted in an unreadable screen after boot (see attachment). I then managed to get the installation going by modifiing the boot options like shown in this HowTo: [URL] After the installation Wubi automatically rebooted the system without any prompt, so that i couldn't install the proper Nvidia drivers (is there a way to prevent wubi from doing that?) like described in the HowTo. After the reboot the graphics were messed up again.

Boot parameters like "text" "single" or vga=xxx didn't work, adding nomodest and nouveau.modset again didn't help either (I think "text" acutally brings up the console, but i just see an unreadable "blacker" screen than normal). Is there an boot option for grub to disable all nvidia related drivers and the graphical login manager and just show a text based console? Or force the gfx driver to be the same as in the installation process (which was perfect...native resolution, no graphical errors until the reboot) (i tried xforcevesa without any luck; nosplash and removing quiet/splash does work - the bootup process is readable, but as soon as the login manager starts its messed up again)

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Ubuntu Installation :: Black Screen After Fresh Installation Of Kubuntu 10.04

May 1, 2010

After the upgrade from 9.10 to 10.04 resulted in a black screen after reboot, I decided to don't waste more time, backed up my data and made a fresh installation.

First Issue [solved]: After I inserted the Kubuntu 10.04 Live-CD and started the system, I got to the CD's boot-mode selection menu. When I selected "Install Kubuntu", I got the Kubuntu bootscreen, but the system hang up then. I was able to solve this problem through pressing F6 in the boot-mode selection menu and setting "nomodeset". I also had to remove "quit splash" from the boot-entry line. Afterwards the installation process was fine.

Second Issue: I wanted to boot my new installated system, but, off course, got the blank screen again. So I edited the Grub-entry for recovery mode in the grubmenu (replaced "quit splash" with "nomodeset") and booted into recovery mode. I selected "netroot", and installed the proprietary nvidia-drivers with "apt-get install nvidia-current". Afterwards I ran "nvidia-xconfig" to generate the xorg.conf. To solve the blank screen issue, I edited the /boot/grub/grub.cfg the same way I described above and rebooted. Now I don't get a blank screen anymore, but I also don't get an XServer. The system boots now (off course without splash and "unquit"), but drops me into the tty1... When I type "sudo service kdm start", I get into KDM and can login, but I get many errors and crash-reports there. I also don't have any internet. I only have internet when booting in recovery mode and select "netroot".

I'm a bit surprised that Ubuntu released a LTS-Version that causes so much trouble (I've searched the forum and it seems that I'm not the only one with such big problems). Has Ubuntu droped support for NVidia-users?

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Ubuntu Installation :: 10.4 Installation Gives Purple Screen Of Death?

May 6, 2010

I initially had problems with the install CD giving the purple screen of death (a screen of vertical purple lines), however I managed to press F6 and set nomodeset and then add "xforcevesa no splash --" to the boot parametres (I guess) and I was able to boot into the live CD. Now however, I've installed 10.4 and I'm back to the purple vertical lines. My Dell 6400 laptop has an nvidia 7300 video card which must be the problem. My question is, how do boot into some kind of low graphics mode so that I can install the proper video drivers? I've been pressing shift to get to the grub menu, but the recovery mode only gets me the purple vertical lines as well, and I don't know what I'm doing.

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Ubuntu Installation :: Cascading Screen' Error In Installation

Nov 8, 2010

I have been trying to install Ubuntu onto my Emachines (EL1200-01e) desktop computer. I do not like using XP, and I would like to use Ubuntu instead.

I boot up the machine to the cd It loads the main settings on the cd At the main install screen, where it lets you choose 'Try Now' or 'Install', I will click Install (does the same thing with 'Try Now'), and I am greeted by this screen Or, it can be accessed here: [URl].. Does anyone have any idea of what is wrong here?

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Ubuntu Installation :: E-MACHINE Black Screen After Installation?

Apr 29, 2011

i just installed ubuntu 10.10 in my e-machine d730z, intel pentium processor P6, intel hd graphics, 2GB DDR3, 250 GB HDD. After installation im getting a black screen http://img684.imageshack.us/i/img05711m.jpg/.'m still new with ubuntu and by the way, after a minute, the screen goes black. i cant see the text.

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Fedora Installation :: F13 On HP ML350 G6 - Installation Process Get The Screen That Shows The Files Copied - Freezes ?

Sep 30, 2010

I'm trying to install on HP ML 350 F13 G6 with standard array controller and 3 drives in raid 5. Well, when the installation process get the screen that shows the files copied (all copied...) , it freezes and does not advance more. Perhaps groped a firmware update? Other distributions are installed correctly.

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Fedora Installation :: Black Screen On Boot After Fresh Installation Of F12

Nov 24, 2009

I installed F12 with the i686 KDE livecd. A black screen with a blink "-" appeared after the bios information on the first reboot. The computer does not respond to any key input except "ctrl+alt+del", which restarts the computer.The machine is a dell inspiron 6000 with inboard 915gm video card, and the bootloader was written to the harddrive mbr. Any help would be highly appreciated.I need to be more clear. Installation went fine, problem appeared on the first reboot.

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Ubuntu Installation :: Cannot See Entire Screen During Installation

Feb 2, 2010

I am trying to install Ubuntu 9.10 on my Fujitsu-siemens notebook but cannot see the entire installation screen - the bottom and right side of the screen seems to extend beyond the viewable area so I cannot see the 'next' buttons. I haven't seen any 'safe mode' installation options.

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Ubuntu Installation :: Black Screen After Installation

Oct 6, 2010

I've got a big(?) problem. I installed the Ubuntu 10.04 yesterday on my Acer Aspire One, it worked flawlessly thru the installation process and at the end it restarted (as normal I guess?). Anyway, when it started again the screen was completely black. Even if I try connecting a secondary screen I get the same result. In other words, after instalation I've never been able to use my computer...

Info: It was installed from a usb stick, because of the lack of a cd drive. I used the program "unetbootin" to tansfer/instal the .iso I dwonloaded from the ubuntu download site. I can see now that I maby downloaded the wrong version because it's called "ubuntu-10.04.1-desktop-i386". But I hope there is some way to fix it, or delete it and install the right version?

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Ubuntu Installation :: Black Screen After Installation?

May 19, 2011

I installed 11.04 Desktop disk on my HP wx8000 workstation. When I rebooted, it gave me the black screen with a blinking caret.

- I have tried reinsalling grub2.
- I have tried adding "nomodeset" to the load command line
- I have tried setting grub to use only text mode.

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