Ubuntu :: Mouse Flashes In And Out?
Sep 1, 2011
My mouse flickers in and out when I move it and a small pix elated square surrounds it. I can still click and highlight and preform mouse actions. I was playing about in the Appearance settings and I had come over to the mouse pad of the custom theme window. I tried changing the mouse and it only changed some icons of the mouse. To make it work and show all the new icons for the cursor, i used this command:
Code:
sudo gedit /usr/share/icons/default/index.theme
I then changed "Inherits=DMZ-White" to "Inherits=DMZ-Black". I logged out and back in and that's when my problem started. It shows the new mouse but i have that glitchy square and it flickers. I've tried switching back but it didn't change anything.
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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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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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Jan 10, 2010
my screen flashes when I load anything. am I frying my vid card?
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Mar 31, 2010
HD operations indicator-lite flashes every second, on all my hd's..? What is the OS doing?.. Is this a security breach?.. Does this mean that my files are being uploaded at about 10K per second..? Or is this just a software checking status every second..? What does what, that engages the hd every second..?
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Apr 23, 2010
I have installed matlab 7.9 in ubuntu 9.10. I tried to launch it on the desktop using launcher. But as I double click on it it flashes but its not opening. After seeing previous posts somewhere it is given that matlab-desktop should be used. But I am not clear where to use it. How to create a desktop icon for matlab. It got solved by adding -desktop at the end of command.
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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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Feb 19, 2011
when attempting to boot ubuntu, an error message flashed, and my computer restarted. This happens every time I choose "Ubuntu" on the loader. The error flashes to quick to read, but I think the first line is something like
Code:
Try: error
how I can slow down the error message, or, even better, fix it?
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Jun 26, 2010
When I hit the Pulse Audio Device Chooser icon and then click on 'Volume Control' the volume control GUI flashes on for long enough for me to realise it has flashed on and then is gone again! If I run the chooser as root from a terminal (sudo padevchooser) I get this response when I hit the error:
Code:
**
** ERROR:(pavucontrol.cc:339):void StreamWidget::setVolume(const pa_cvolume&, bool): assertion failed: (v.channels == channelMap.channels)
Strange thing is, I have spent a lot of time working on my wife's laptop and Pulse Audio was working great (after many brain twisting, hair ripping hours of working on it) and indeed is still working despite the lack of GUI. This is all good except I want to change the output device for ringing in Skype and this is where I need to 'Move Stream ...' and can't get to it.
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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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Apr 6, 2011
I understand that Ubuntu typically has some disk activity even when idle, but I believe that I have a problem that I am worried is affecting my disk drive - which has recently become quite loud. The system disk activity light flashes about twice per second, all the time, when idle. iostat shows a Blk_wrtn/s of between 10 and 40. I am running Lucid x64. The system disk uses ext4 for root and ext4 for /home. The disk activity starts before I even log in. There is no disk activity if I drop to the root shell in recovery mode - as seen by no flashing light and iostat writes = 0. I have tried killing my media server processes, Mediatomb and Squeezeboxserver. I have unmounted the ntfs data drive. There is nothing else running beyond the vanilla install to my recollection other the services above that I stopped. How can I determine which process is causing the constant writing? I do not have this issue on my laptop which is running Karmic, and as I mentioned earlier, I think this non-stop activity is damaging my drive.
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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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Dec 21, 2010
I am running openSUSE 11.2 with KDE4.5 on my eMachines e525. I just did a "zypper up" on my system and it reported that Chromium was going to be updated. I agreed and the when the update was finished I shut down Chromium and started it again. It flickered on the screen for a moment and crashed. I tried again but it produced the same thing. I logged off and back in and tried Chromium again... same thing. I restarted and tried... same again!
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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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Dec 7, 2010
I installed ubuntu 10.10 and it seems everytime I unplug my laptop it freezes and the caps lock flashes. This happens pretty much every time. I installed fedora 14 had no problem with unplugging the charger but I didn't like it and couldn't get WiFi working right. So I installed ubuntu 10.10 hoping it would be gone and I have the same problem again. I have a AMD Athlon II Dual-Core Processor M300
(32-bit)
3GB DDR2 memory
320GB HDD (5400rpm)
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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 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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Jul 23, 2009
I'm running a Latitude E4300 with the Intel 4500HD integrated graphics. Lately, the display has started to flash on and off several times an hour. Usually all I have to do is move the mouse or hit a key, and the display comes back (the back light is on when this happens).
Once and awhile, my monitor goes into standby when this happens, but if I turn the LCD (a Dell 2007FP) off and back on, the display is back. This happens when using the internal LCD at 1280x800 or my external monitor hooked up via E-Dock.
I've tried a couple different monitors, and they all work fine. I have another hard drive for this machine that I have Windows 7 loaded on, and it works for hours and hours without exhibiting any video related errors.
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Feb 7, 2011
I have CentOS 5.5 installed and I'm having the problem of no display, though everything is working perfectly besides that. When I don't use the mouse for a while, the monitor flashes green, but then when I do finally move the mouse, the monitor turns solid green, just that no display is seen. How the situation came about is as follows. The display was working perfectly. I was trying to fix a friend's machine, so I unplugged the VGA cable from the back of the monitor (so that I can hook up the monitor to my friend's machine). Afterwards, when I re-plugged in the VGA cable from my linux machine to the monitor, I had no display.
Also, note that the machine is working perfectly. When I reboot, it boots up completely (I don't need to login as I turned this off) so I can ssh into it from another machine on my network. Another interesting point is that this linux machine is currently using a cheap graphics card and this is what the VGA cable is attached to on the back of the tower. However, the motherboard does have built-in graphics card, and I also tried hooking up the VGA cable to that... still no display. I should also mention that I tried testing the monitor by hooking it up to a laptop as an external monitor and it worked nicely. So the monitor is, in fact, working.
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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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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 14, 2010
I have the most bizarre problem that started with 10.04. Up until 10.04 I had zero problems with my setup. I am convinced this has something to do with NVIDIA 7100GS and 10.04.
Here is the problem in a nutshell. I have my home desktop, which I upgraded to 10.04 from 9.10. Everything went just fine except when it booted up and I logged in, the video "shut off", the computer "hung" for about 10 seconds, then came back. I'm able to use it for about 10 seconds then the same thing happens. Video blanks, system hangs, comes back.
I've tried turning off compiz, no effect. I've tried nvidia-current along with other versions (including the one from the website) and they ALL have the same problem. I know it's not a hardware issue as I can boot the live CD just fine. I also upgraded to 10.04.1 and that worked fine until I installed the nvidia drivers. Here is what I dont understand either. I did a apt-get remove --purge nvidia* and the problem still existed after that.
Something is seriously wonky. I REALLY don't want to re-install the entire box. Now, here is something else that doesnt make sense. I have 10.04 installed on my work box with a Nvidia 9800 graphics card and I have no issues at all.
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Feb 1, 2010
I have a windows 7 computer running Xming 6.9.0.31. I connect to my linux box running Ubuntu Server 9.10 with plink and run urxvt. It starts up and works perfectly however the urxvt screen flashes the xming root window about twice a second.This makes urxvt impossible to work with.Everything else that I have tested over the ssh connection (xterm, xfce4-terminal, etc) work perfectly with no flashing and this same problem has happened with two other linux installations (again only with urxvt)
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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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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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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 1, 2011
while amarok plays, a small window similar to a file copying status window opens and closes on continuously its own. anyone else having a similar problem?
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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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