Ubuntu :: Locked Screen Flashes Between Vertical Bars And Terminal
May 14, 2010
Ubuntu 9.04 works fine, I have just installed Ubuntu 10.04 Lucid Lynx without problems, it runs fine but after a while the screen starts flashing and the only way out is to reboot with ctrl-alt-del. First of all I get a pale purple screen with blocks of random colour in the middle then it goes on to flashing between two screens. In one the top half of the screen is vertical black and white stripes and the bottom half is black, in the other it is a terminal screen with this distributed across it:
Starting common Unix printing system cupsed
Pulse Audio configured for per-user-sessions
Enabling additional executable binary formats binfmt support
Checking battery state
On the latest occasion the text was "could not write bytes: Broken pipe" repeated all over the screen, followed by "checking battery state".
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May 6, 2010
I'm still getting some vertical lines through my splash screen, they are just a little darker purple than the rest of the screen, but disappear over the ubuntu logo/text/dots. I've tried the following from the faq, which made the screen at least show up, which is wasn't doing before.
Bootup/Plymouth.
Users should experience a much faster boot however some users may experience problems with Plymouth after the nVidia graphics driver has been enabled. Users may experience plymouth using lower graphics resolution. [URL]
Graphical solution : [URL]
Command line :
(Some of the fixes put forward dont work for everyone.)
One that works for nVidia and to try is this.
Code:
gksu gedit /etc/default/grub
and add the line in BOLD.
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480
GRUB_GFXPAYLOAD_LINUX=1680x1050 Save the file and run
Code:
sudo update-grub
The resolution chosen should be your monitors native resolution.
Other graphics card users may get a black screen with flashing cursor and then a very short duration plymouth. [URL]. One fix for this is to create this file.
Code:
gksu gedit /etc/initramfs-tools/conf.d/splash
and add this option FRAMEBUFFER=y, save the file.
Then
Code:
sudo update-initramfs -u
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May 21, 2010
Out of nowhere Ubuntu (intrepid, I believe) has stopped loading for me. When it attempts to load gdm the screen starts flashing at the splash screen and then eventually dumps me to the terminal. From there I can login without any problems but can not get the GUI to load.
When I run sudo gdm-binary it does the flashing splash screen again and then spits out the error message: WARNING: Unable to find users: no seat-id found. Then a few warnings about longest graphic displayed 2.5xxx seconds
I tried running sudo dpkg-recondifigure gdm and relaunch gdm as above and it did the same thing.
I was not able to successfully connect to my wireless network through the terminal to try to update in the hopes of that fixing the problem. Perhaps someone can give me instructions on how? (I have tried but can not figure out how to initialize wlan0).
Or, is there something I can do from my installation CD?
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Jul 27, 2010
This is my sons Asus eee pc 1005peb ( have one exactly like it and never happened to me)
The screen flashes on bootup and makes it very hard if not impossible to login and the gnome menu at the top is gone too. I do not know what he did to it. But I am loading meego on it now.
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Jun 24, 2010
I am seeing the Vertical screen wrap problem (discussed in [URL]) on a 64-bit Athlon XP desktop with the Ubuntu version that I installed yesterday (10.04 LTS 32-bit).
Vertical screen wrap, with the mouse pointer offset by a few pixels to the north, taskbar partially visible .
The xserver video amd package version is, xserver-xorg-video-amd 2.11.8-4 and the geode package is, xserver-xorg-video-geode 2.11.8-4. Is it possible that the problem lies in the new geode package (and not the intel/amd driver) ?
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Nov 13, 2010
The screen info says it is 1280*1024*60Hz.I put this into the nouvou monitors hardware control centre. The screen is too stretched in the vertical. Some icons are cut off at the top.The screen is a V7 videoseven.For some reason the menu controls on the screen only work on the non screen movement icons. I cannot access them .how to get the vertical height corrected? If I have I will go back to the NV proprietary drivers but I would prefer not to do so.
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Dec 1, 2010
Since yesterday a constant purple vertical line has appeared on my screen, positioned about 3/4 from the left, which remains even after I reboot.I'm running Ubuntu 10.10 on an Apple iMac (Intel), single boot Ubuntu.
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Jan 10, 2010
my screen flashes when I load anything. am I frying my vid card?
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Aug 29, 2010
When I load Ubuntu, it goes to the desktop screen, shows my desktop picture, loads Pidgin which I have set to start on startup, loads Icons, and then the screen goes black. The mouse cursor shows up, I can move it around, and then it goes black again, and the mouse cursor shows up again. This repeats a few times until the cursor freezes. This started happening after I tried fixing a bug with new drivers for my Intel 845gl video card. The instructions I followed are these:
Code:
To use the available fix, run the following commands:
pt-add-repository ppa:glasen/855gm-fix
apt-add-repository ppa:brian-rogers/graphics-fixes
apt-add-repository ppa:glasen/intel-driver
aptitude update
aptitude install linux 855gm-fix-dkms
aptitude dist-upgrade
,taken from here.
I have tried some of the options in recovery mode from GRUB menu, none really work, except booting with default graphic configuration, or something similar like this.
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May 28, 2011
I just upgraded to Natty and I cannot access any of my menu bars. My mouse does not move any higher than the screen boundaries and I'm sure they're not set to auto hide. After doing some searching I found the following commands which I ran in a terminal on my Mac, controlling my Ubuntu machine through SSH.Window manager error: Unable to open X display.
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Oct 14, 2010
Whenever I try to change desktop effects to anything other than none, a window appears saying 'Searching for driver' then the screen flashes and it says effects could not be enabled. Here's the output from System Testing Compiz test: Gathering information about your system. Distribution: Ubuntu 10.10 Desktop environment: GNOME Graphics chip: ATI Technologies Inc M96 [Mobility Radeon HD 4650] Driver in use: fglrx Rendering method: None Checking if it's possible to run Compiz on your system. [SKIP] Checking for hardware/setup problems [SKIP] At least one check had to be skipped: Error: No rendering method in use (AIGLX, Xgl or Nvidia).
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May 2, 2011
I have a Dell Inspiron 5150 which I first upgraded 'over-the-air' to Narwhal. This completed with no errors. After reboot, the screen momentarily displays some icons before reverting to the background - this loops round every few seconds.I've subsequently tried installing with the CD which runs through with no errors, but does the same thing when it's finished - blink... blink... blink...
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Mar 16, 2010
I am trying to play some .avi files and they open and run, but only the sound works properly. The video screen will flash about every 4-5 seconds.
I've tried Totem and Gnome MPlayer and both play these files the same.
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Sep 5, 2010
I don't seem to have an "xorg.conf" file.
Gateway SB400a computer with Edubuntu Lucid installed. The problem first cropped up when I installed the Edubuntu packages on Ubuntu. I did a fresh install with Edubuntu and the problem persists. I don't want to go back to Ubuntu since this computer is for my Grandkids and I want to the Edubuntu stuff for them.
I don't have the specs handy, but I can get them. what I have to do to get them. (it happens when you get old)
EDIT: From my xorg.0.log: (--) PCI:*(0:0:2:0) 8086:2562:107b:4000 Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device rev 3, Mem @ 0xf0000000/134217728, 0xffa80000/524288
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Jun 29, 2011
I've got 10.04 installed on my Blade 1000 workstation. Installed 6.06 first and worked my way up as per other postings. See attached cookbooks I wrote. Framebuffer is Elite3D-lite, and I have done the afbinit install. Using Xorg w/ Gnome and other windowing software to eliminate the possibility it is Gnome. From what I understand, Ubuntu does not require a custom X11 conf file like OpenBSD.
Current screen output shows large vertical stripes, where the stripes overlay on top of the GNOME desktop. Inside the stripes are the prior boot screen output of Ubuntu 10.04. When the screen saver kicks in, the Gnome desktop disappears, but the blue 10.04 stays visible. Mouse cursor moves across the screen, under each stripe as it goes.
My knowledge of framebuffers is limited. Would this then imply that the framebuffer is not fully "refreshing"? The screen does not provide full width even though the correct OpenBoot monitor configuration is set. Haven't found any mention of this issue from other Ubuntu/Linuxes Sparc users. Attached the X11 log. Looking at the log, I suspect this will need a custom X11 config file.
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Aug 22, 2010
I just installed Ubuntu 10.04 on an old Compaq desktop, and after working on it for a while, screen randomly turns blank, usually with flashing horizontal white lines. Can anyone help? Someone already told me to try memtest, which I already performed, but nothing happened.
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Nov 3, 2010
I installed 10.10 of the live boot CD. It said everything went fine, now when I go to boot into Linux it just flashes the underscore on a black screen. What do I do from here?
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May 2, 2009
I have just finished updating my older box from 8.10 to 9.04 and installing a bunch of programs. I had shut it down several times between sessions but when I unplugged it and moved it, it fails. It goes fine through the BIOS and GRUB (I think) but then when there is a screen of text it flashes to black several times and then displays a screen that looks like static with "Ubuntu" barely visible in several places.
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Sep 29, 2009
I upgraded from fedora 6 to fc10 using a net-inst iso. Everything went great however when I rebooted gnome wouldn't start up and there were other error messages, however thats not my current question. I figured id login as root, I put my pw in and the screen briefly flashes and then back to login prompt. The flash is a message saying something about no shell. Same occurs when trying to logon to my main user account. I can boot to single user and see that all my partitions are there and the data is there. My password file has the shell at the end of the entries.
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Aug 2, 2010
I'm experiencing a sudden black flash before video play back with VLC. The whole 3 screens just flash black and come back, and then the video plays fine in VLC. This doesn't happen with other media players, such as mPlayer and Totem.
I'm running an XFX Radeon 5450 (ATi) with the propriety 10.7 drivers. Running 3 17" (1280x1024) in "EyeFinity". I've had a look on the unofficial bug thingy for ati drivers for linux, and there is a bug back from 2008.[URL]...
Just wondering if anyone has any ideas, of tips to start looking to try and solve my little issue, I've spent hours and hours looking though xorg, syslog and other logs in /var/log/ and nothing seems to stand out.
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Oct 31, 2010
I'm running Ubuntu 10.10 which I recently installed on this emachines w3107. For some reason, while doing whatever I may be doing, my screen will flash off and on for about a minute, then when it stops flashing; there is no mouse pointer visible. I can still use the mouse, but it's ghost-like.
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Mar 3, 2010
I was running Fedora 10 I belive- no issues - did an update to 12 via DVD and now the screen continuously flashes... I see posts about Nvidia issues - but this laptop uses ATI based on HP's website.
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May 4, 2010
I am having some weird problem with the firefox based flash player when playing videos in full screen. The video flashes white in areas while the video is playing. I don't know if this is Ubuntu, Firefox or flash. I am running Lucid on a Macbook Pro
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Jan 1, 2011
I have been running Ubuntu 9.04 for the past year. Tonight decided to upgrade to 9.10 thru update manager. Every thing regarding the install seemed fine until the request to restart the computer. I hit the restart and it will not boot up. Computer goes thru the normal restart screens.
Screen flashes with bios info--no hard drive detected, then proceeds to show booting from hd, then loads grub stage 1.5 (not grub 2)and screen goes blank.
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Aug 15, 2011
I have been using Debian for three or so years now. Not sure what all the difference it makes, but I'm installing Debian Squeeze on a Sony Vaio desktop computer... With an nVidia GeForce 5200 which works perfectly in other computers and on the same computer when dual booting with Windows XP. I've tried and installed several times already to no avail. When I fresh install just the standard system, no graphic desktop, no Xorg, no servers, no nothing, just the standard system, command line only. When I do the initial boot on this blessed computer, part way through the boot process my monitor shuts off and it says frequency out of range (thats a message from the monitor itself, not the computer or debian).
The same install process I've executed countless times. I thought it was a dependency issue, problem with X perhaps. I can install lenny, but not squeeze. When booting in single user mode, it seems like it craps out either during or right after it loads or does something with the "drm" - you know how during the boot script, the machine "flashes" the fonts and the screen blips... its seems to me like that's where its happening at. The monitor works just fine, I really don't think that's the problem. But it is frustrating and I have no clue where to go about finding what the issue is if I can't see whats going on.
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Feb 10, 2009
I recently downloaded and installed Fedora 11 Alpha. I then installed the Nvidia drivers for my Graphics card (GeForce 7800 GTX). I discovered that Fedora 11 is using a Beta version of Xorg and an incompatible ABI. So, my drivers would not work with Fedora 11 without me dowgrading the Xorg server. I decided to reinstall Fedora 10 instead.
I started the install, and when the installation loaded the generic video drivers, my screen showed only a bunch of colored vertical lines. Fedora 10 doesn't allow me to install in text mode.
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Nov 21, 2010
This is my third SLackware install. I installed 10,12, now 13. the Xorgsetup has changed I think, it does not display the screen to choose Horizontal and Vertical settings for the monitor. In addition, how can I set the Refresh rate?
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Jun 26, 2011
I don't really have any Linux experience. But I wanted to try it out. Now I'm afraid I did not set this up properly. Grub gives me 3 options:
Fedora (2.6.38.8-32.fc15.x86_64)
Fedora (2.6.38.8-26.rc1.fc15.x86_64)
Other
When I select <Other> to boot into windows... it starts to try to boot... but then flashes a quick blue screen & restarts. I tried to boot into Window's normal mode, safe mode, and command line... all just restart fdisk -l gives the following:
[Code]....
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Jul 27, 2010
I've spent the entire day trying to install virtualbox. My dkms is newest version, my gcc is newest version, my headers seem to be in order, and it still won't install. BUT that's not my problem. As I was trying repeatedly to install, I noticed it said "group vboxusers already exists". So brilliant me, thinking that was my problem, went and deleted it, and then headed to synaptics to uninstall virtualbox (again!) so that I could try to install it (again!), only to find myself locked out.
The exact message I get is
Code:
Unable to get exclusive lock
This usually means that another package management application (like apt-get or aptitude) is already running. Please close that application first.I've worked really hard on this install, and don't want to start over with a fresh one unless it's absolutely necessary.
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Aug 3, 2010
Ever since the problem with Flash started up a few days ago, (Videos Lagging/jumpy/jerky horridly.) I decided to finally switch from 9.10 to 10.04...all was going well until a few minutes ago while I was browsing themes and running Konversation, the skin flickered black/green a few times then white vertical lines started appearing down from the top of the screen to about the middle, (Almost looked like the teeth on a haircomb). I had to then shutdown and restart. What id like to know is are the two connected (My earlier flash problem and this) or how I can fix it, so far it hasn't happened again but I'm starting to worry, I've never had problems with Ubuntu until a few weeks ago.
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