Fedora :: 15 Screen Flickering - Set Up In The Config File?
Jul 7, 2011
I have a problem with the screen flickering on fedora 15 (and lots of other modern distros, eg: ubuntu 10.10 and 11.04 and opensuse 11.4) i think it is something to do with xorg.conf as older linux distros work fine
so i added one using
Code:
Xorg :1 -configure
cp /root/xorg.conf.new /etc/X11/xorg.conf
but i still have a slight flicker. my monitor takes an input at 50-60Hz how do i set that up in the config file or is that not what is causing that? and can somebody recommend me a nice icon set for fedora
I need to add this somewhere Code: ModeLine "1440x900" 106.5 1440 1520 1672 1904 900 903 909 934 +hsync -vsync in the xorg.conf no idea where!
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Jan 14, 2009
I've been trying to install Fedora 10 but the screen flickers about once every two seconds (not at set intervals though sometimes 5 seconds sometimes < 1 second).I've been searching around and all posts I've read about hh ave pointed to an nVidia driver bug which would make sense since I have an nVidia card but these were all posted back in summer of '08 so I'm not sure if it is still lingering.
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Jul 13, 2010
I have this situation: I installed F13 on my laptop having an Intel Graphics Media Accelerator. The screen of my laptop was flickering and i did a 'yum update'. The flickering didn't stop, but after suspending the system once, the flickering stops and everything is fine. Now after each reboot i have to suspend the system once for the flickering to stop. Please help.
After discussing in #fedora in freenode, some people asked for these (i'm posting in case you need them too):
$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 12)
/var/log/Xorg.0.log -> url.
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Jul 16, 2010
the screen flickering after installing opensuse 11.3? There are lines flickering on my screen horizontally. I have the Mobile Radeon HD 4200 graphics, ACER Aspire 4540 Laptop. I am currently using the default video driver rather than the proprietary driver.
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May 28, 2011
i always had problem with my ATI card and Gnome GUI i decided to install Debian without any GUI at all. After login in CLI i used those commands:"apt-get update""apt-get install alsa-base xorg kdm kde gtl-qt-engine" .I decided to manually install KDE because i had no problem with it in Open SUSE. After that I restarted my pc and got flickering login screen, I'm unable to swith to console becasue after hitting ctrl-alt-F1 I'm getting black screen. I searched google but with no luck, and if there was some solution it required you to be logged in into GUI.
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Jan 5, 2010
I don't know if this has been asked already, but I cant seem to find it anywhere. I have a gateway, p 7915u with an nvidia 260gtx graphics card. im trying to install ubuntu 9.10 64-bit on it but the screen keeps flickering before I can even install it or try without change.
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Jul 30, 2010
Whenever i close and then open the lid of my Compaq nc6220 laptop the screen will flicker when actions are made like moving the mouse, opening a program or typing. This is a known problem for the Intel 915 card and the solution is to disable the RANDR process. The thing is i cannot get to the service managaer and the RANDR doesnt come up in BUM which i installed. Does anyone know how to disable RANDR or any other solutions to this very annoying problem?
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Mar 11, 2011
I had 10.10 installed and decided to chance it by upgrading to the Alpha release 11.04.Graphic card is ATI Sapphire X1550 I think (512MB).Apart from trying to get used to the buggy interface (to be expected from the alpha), the screen keeps blinking, goes black for a second every 30 seconds.
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Mar 21, 2011
When I first boot up it gets to the checking sensors, then freezes and the screen flickers all the time. I have to do a hard shutdown then when I turn the computer back on everything works normally in fact the boot time is greatly reduced! And so far the system has worked fine after the 2nd boot.Anyone had anything similar?
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May 29, 2011
I am using Natty and its favoring me with too much of screen and cpu overloading problems.After some usage with movies or browsing, it gets a distortion and whole horizontal lines appear on the screen like a 8BIT distorted Video game. The background actually runs good, since i tried playing mp3 and got the error after wards. After distortion, the windows start flicker and changing. Is there any way to stop this?Second thing,The cpu easily becomes full while mounting drives or surfing itself.
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Jan 16, 2010
I downloaded the 9.10 from the Ubuntu website (not as torrent, but as direct download) and I burnt the ISO image in a CD. I intruduced the CD in the computer where I want to install Ubuntu and I rebooted it. Then the Ubuntu install-try menu appeared. I chose "try" and appeared a white ubuntu logo fading in and out, and then some text that was like the boot up of Ubuntu. In that point, the screen starts flickering every second, and when I push the power-off button of my computer it stops flickering and says something like "you pressed power off - please remove the CD and close the tray", and then the computer shuts down.
The same happens when I choose Install. At the point it appears a progress number (0%) of the file system, the screen starts flickering and the progress it seems it stops, or at less it's extremely slow.My computer it's a bit old but I think that's not the problem. It's a Pentium IV at 3'40Ghz, 1GB of RAM and what seems to have the problem, a Nvidia Quadro 256MB graphics card (I don't know the exact model but if you need it I can find it).
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May 22, 2011
I did a fresh install of Ubuntu Studio 11.04 on a machine with Vista previously installed. The computer also came with a Personal Media Drive (movable harddisk) of 500GB. The only modification to the HW conf is that I recently added a harddisk of 2 TB that I wanted to install Ubuntu on. (I.e. in total 4 harddisks on the scsi slots)I ran the install cd that I burnt form the iso and I chose the option to manually partition the disks, and I only partitioned the new Harddisk. The installer chose to make some partitions: grub as the boot loader, one ext4 partition of 2 TB and 3.5 GB swap space (and some kb of waste space).
The install cd was readable and the tests that could be performed on the install cd itself and on memory terminated ok, and install seemed to have worked fine. It also discovered the Vista / ntfs partitions. I thought the install would work ok since I had made the new disk the 1st to boot in the HDD boot priority in BIOS setup.
When I rebooted after install I got a blank screen. I then tried with making the Vista HDD the 1st to boot in BIOS, and then I got the GRUB screen with two options for ubuntu two for mem tests and two for the Vista partitions.I found it strange that GRUB would take over, since the grub partition should be on the new lower prioritized HDD in the boot order.When I run the first Vista option everything works. Vista boots. However, when trying to get it to boot either of the ubuntu options I get a flickering screen, in the normal ubuntu boot a white one where the upper third of the screen is more steadily lit up whereas the lower 2/3 is flickering. When booting with failsafe option the color is red/pink instead, but with the same flickering.
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Dec 22, 2010
I updated my system as usually. Sadly since then my screen flickers every 10 (or so) seconds. It turns black for like 10ms and then back to whatever it showed before. This behavior occurs after some uptime. Haven't measured the flicker-free time span yet but I guess it starts after 15 to 30 minutes.I'm using a up-to-date Squeeze with KDE4 an the nvidia-driver for me GeForceGo. Interesting thing is: It does not flicker while using fluxbox using same xserver.
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Jan 4, 2010
I've just installed a fresh Ubuntu 9.10 (I'm using Windows 7), after completing the installation, may laptop rebooted but following the white icon of Ubuntu were the 2 lines "Ubuntu 9.10 computername tty1 ...etc" appears and I could not login due to flickering.
My laptop is T500 Lenovo with ATI Radeon HD3650.
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May 16, 2010
I just connected my LCD TV to my desktop and now I get two things happening which I didn't get when I used a proper monitor:
the screen scrolls down and sort of flickers every minute or so, plus: every few minutes it goes competely 'blank' i.e. reverts to the blue screen of my TV when there is no signal.
It should be in Ubuntu NOT Kubuntu!
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May 18, 2010
When attempting to boot into Ubuntu 10.04, the screen constantly flickers. It'll stay off for about 2-3 seconds, then come back on for <1 second. This constantly occurs. When reaching the main screen (I think), I attempt to move into a TTY terminal, but the flicker continues. I have attempted to reset the X Server, stop the X server, etc., issue remains. The monitor does not turn off during this flickering. I am able to type, obviously.
Here are my system specs:
AMD Athlon 64 X2 Dual (6000+)
2.00 GB RAM
ATI Radeon HD2600 XT (x2, Crossfire)
HP w2207h 22" Monitor, connected via HDMI
I also have VGA inputs on the back of the monitor and can attempt to switch the input, but that requires me to dig through a box looking for a cable, so I figured I'd post this issue first.
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Sep 26, 2015
I found a nice old mini industrial PC with an Jetway NF92 motherboard (Atom N270/Intel GMA945 GPU).
Installed Jessie on it, I have a strange problem under X11: mouse pointer is garbled (looks like somebody cut the arrow in four separate sprite and shake them well , and screen flickering. If I move down the mouse in the lower part of the screen, the screen flicker slowly, if the mouse goes in the top part of the screen, screen flicker rapidly... And finally, putting the pointer on the last line of the screen make the screen stop flickering with perfect screen....
Code: Select allroot@telmat:~# uname -a
Linux telmat 3.16.0-4-686-pae #1 SMP Debian 3.16.7-ckt11-1+deb8u4 (2015-09-19) i686 GNU/Linux
root@telmat:~#
Code: Select allroot@telmat:~# lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GSE Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GSE Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 02)
[Code] .....
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Mar 10, 2010
so i have been trying to install ubuntu for quite some time now and i have run into a bit of a roadblock.
I have tried to install 9.10 and it installs just fine (the GUI works just fine and everything seemingly goes ok), however when i go to boot it, i get to a flickering screen asking for my username and password (this is not the gnome login screen, it is just a blank black prompt asking for me to login). however, the flickering is inhibiting me from easily entering anything in from my keyboard. Thus, i cannot log in to fix the problem (i cannot enter my password because i dont know if the keys i am entering are being accepted or not). and recovery mode does the same thing.
This happens if i try installing it straight up, or if i install it inside windows. I have tried all kinds of boot options and install options (all that acpi crap) but none of it works.
i even tried installing some of my old copies of ubuntu (8.04), but when i do that the grub cannot load the linux kernel. I have also tried both the 64-bit and the 32-bit versions to no avail.
I am running an ASUS motherboard, AMD quad core x64, dual Nvidia geforce 8600's, 6 gigs of ram, and PLENTY of hard disk space.
I am not a noob to linux at all, but i have never encountered a problem like this and i have no clue how to fix it. Hell, i dont even know how to go about fixing it without logging in.
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Oct 18, 2010
I've put a new hdd into my old comp to try it out, I am using a usb to try and install. When I install I get writing scrolling down the screen then it flicks to a black screen and just stays there. Am i doing it wrong?
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Feb 7, 2011
I am not able to change to any tty at all. if i press ctr+alt+ f4 nothing happes if i then press f7 and return the screen turns totally black and my gui is only recoverable witrh restarting my displaymanger slim.also when i press ctrl+alt+del in aqwesome (windowmanager) the computer reboots immediatly, what makes me think that, however the terminal isn't properly "seperated" from the windowmanager.After restarting slim and login to awesome i 'am able to change properly to tty's and back to xserver. after reboot i am not able to change to tty's properly again.
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May 10, 2011
Ok so just updated 10.10 to 11 and I can't do anything, the desktop is continuously flickering the purple ubuntu splash screen behind it and if I click anything it will open but flashaswell, I did have nova desktop which changes my wallpaper automatically but I uninstalled it as I thought that may be thebprovlem
Is there anything I can do? Or will I have to copy the home folder to USB and then do a clean install?
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Jan 4, 2010
New install of FC12 and after logging into the KDE desktop then going back to Gnome, the Desktop Config File for KDE shows on the Gnome desktop. I ran gconf-editor and I can see the file but no option to not display in Nautilus. Is there an easy way to not display the file on the Gnome desktop without messing up the KDE config file?
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Mar 1, 2010
The wubi installer copied files successfully and asked for reboot. After booting into Xubuntu the flashing logo appeared for a minute. And then the screen looked as if it was trying to show something but could not and flickered and then became dark this continued till half an hour and then I pressed Alt+Ctrl+Del.I tried all the modes but to no avail, only the last mode with command line was working. But it was not helpful for me becoz I dont know most of the commands.When I tried "Verbose Mode" as directed by the WubiGuide - Ubuntu Wiki, CTRL+ALT+F2 did not work when the installer stopped.The computer I use is assembled with Intel pentium 4, VIA chipset and Mercury(Kobian) motherboard.
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Jan 12, 2010
i installed kubuntu 9.04 yesterday and updated it with everything that was available, i have ati radeon xpress 1100 and i got everything running fine including kwin effects but i have a small problem i cant figure out how to fix:
When i run glxgears and put any window on top of it, i can still see the 3d gears rolling and i think this same problem is responsible for occasional artifacts on the screen. Its a very minor problem but i would like to see if fixed because i cannot use google earth properly, it seems that any 3d application likes to be focused on the screen, its like they flicker while being overlaid on top of everything.
Also i read the countless threads here complaining about not being able to use fglrx etc because of updated xorg. Well the reason im using 9.04 is because my wireless card alfa awus036h does not work with kernel > 2.6.31 and i have already tried kubuntu 9.10 on this laptop i wasnt having any problem with the display. All the kwin effects ran fine and no distortions of any kind. Seems there is some bug in 9.04.
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Mar 3, 2011
I have a cd containing wifi drivers, but inside is a config.mk file and no configure file. so when I tried to install the tarball using ./configure it could nt find anything. so I tried using su - then I said sudo ./config.mk and it said bash error I don't have premission and it referenced the sudoers file. I not sure what this means, and am I even installing the right file for the driver I need. there is also already a Makefile in the folder as well....
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May 7, 2011
I currently can run an old swf on my Chumby 8 device by storing and using these three files on a USB plugged into the device
config
<?xml version="1.0" encoding="utf-8" ?>
- <config>
[code]...
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Mar 3, 2011
edit the sudo config file to allow my account to use some commands as a root.so can someone advise me how should i do it.
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Jul 30, 2010
i was assigned with a project to analyse the performance of ASSP mail filter engine.I am using Fedora 7 with KDE3.5. I need to install a lot of perl modules to run the assp.pl code.I was trying with all sorts of packages like src.rpm, ixxx.rpm, tar.gz, tar.bz2. All these packages doesnt work exactly. When i tried with rpm packages. I am getting this error.
/*
[root@localhost RPMs]# rpm -ivh cyrus-sasl-2.1.23-9.fc12.src.rpm
warning: cyrus-sasl-2.1.23-9.fc12.src.rpm: Header V3 RSA/SHA256 signature: NOKEY, key ID 57bbccba
1:cyrus-sasl warning: user mockbuild does not exist - using root
[code]....
So i checked for config.h file as given the directory but it was missing.I don't know why?
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Nov 24, 2009
I have a computer running Fedora 11. I wanted to use samba in my office. So I configured the /etc/samba/smb.conf ,but it did not work well : Windows can find samba,but when I tap in username and password,samba request them again , and the same thing continues in a loop. So I copied another computer's smb.conf (which is also a Fedora 11,samba runs well in this one).I copied this file to /etc/samba/ ,then samba can't satart up . I read from /var/log/samba/log.smbd.log : Unable to open configuration file "/etc/samba/smb.conf": Permission denied Even if I use: chmod 777 /etc/samba/smb.conf
why I can't login samba from Windows:
[global]
workgroup = MYGROUP
server string = Samba Server Version %v
; netbios name = MYSERVER
; interfaces = lo eth0 192.168.1.99/24
[Code]....
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Jan 5, 2010
I see these boot.log warning and understand that the directory where these config files are kept has (or is) changing. Okay, but is the correct procedure to just move them over from the /etc/modprobe.conf dir to the /etc/modprobe.d file? I am wondering if some changes to those config files or those that they are related to must be also made? A portion of the boot.log is below.
[Code]....
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