Red Hat / Fedora :: No Display - Monitor Flashes Green
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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Sep 13, 2011
I have a ML350 tha will not boot up. I noticed that my 1st drive of 5 is out. We ordered a new hot swap 72gb SAS drive and replaced it. When I boot the computer up it flashes green and I was wondering how long it takes to rebuild typically.
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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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Oct 16, 2009
I am facing problem with the fresh installation of Fedora 11. (I have moved from Fedora 9). When I try to view videos on ..... or use the Cheese Webcam Booth, I get blurred lines on the screen and I am unable to see any video or pic.
Also I noticed that the when i go to System > Preferences>Display, it shows me UNKOWN MONIOR.
However, if I got to System>Administration>Display and enter the su password, it shows me correct monitor and the graphics driver.
I am not sure if my original is related to the Unknown Monitor.
I also tried to install Nvidia driver but it crashed the xserver and I had remove the driver.
My Monitor is LG 700E and Graphics card is from intel. as I am not able watch any video.
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Mar 23, 2010
I have an old Compaq Pro desktop with Ubuntu 8.04 installed. been using it without a major problem until four days ago. When I attempted to boot all I got was a screen with green vertical lines at the top and horizontal yellow, red, and orange lines below that. Since I recently had downloaded a new kernal I tried to use another kernal but that got the same result. I tried to boot with a live cd and finally got it to boot in low graphics mode. I have also tried to boot into the safe mode and tried the recovery option.got the following warning:xserver-xorg postinst warning: overwriteing possibly customized configuration file; backup in /etc/X11/xorg.conf .20100323151611I have no idea what that means or what I should do. Can anyone point me in the right direction? I would really hate to wait the 30 some odd days for 10.04 to come out.
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Mar 30, 2011
I'm a new Fedora/Linux user and I've just setup my first laptop to use Fedora 14. However, I've come across an issue and I've done a lot of searching on various forums etc and basically I'm going around in circles. I've had my PC hang already after I tried to create a xorg.conf file. I have since removed the changes I made.
I have a a SIS 771/671 PCIE VIA Display Adapter (rev 10). I got this info via the lspci command. The problem I have is that it's not letting me select a resolution above 1024 * 768. I know it has higher resolutions as when it was a Windows XP and Vista PC I had higher resolutions. There has to be an easier way to set a screen resolution that manually editing cryptic files and knowing refresh rates etc.
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Apr 3, 2010
I installed Karmic on an older PC I had laying around, and the only trouble I am having is with screen resolution. It uses an old ATI chipset (onboard) for video, and it doesn't seem to do EDID correctly, so I can't display anything higher than 800x600. I have tried creating an xorg.conf, but it's still not working. How can I tell Xorg to ignore the fact it can't detect a widescreen monitor and display something larger than 800x600? I noticed the log says the sync's are out of range, but I am not sure how to fix it.
Here is my current xorg.conf.
Code:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
[Code]....
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Mar 30, 2010
I'm using Fedora 12 on a Virtual Machine (VM Player).
How do I configure the display monitor to set 256 Colors in Linux Fedora?
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May 16, 2010
I just installed fedora 12. during the installation, i used a different monitor (as when i used the one that i want to use with the system, not all of the page displayed - so i could not click on the buttons) . now it only works with the display that i temporarily connected.
i want to use the system with a sony tv via hdmi. the system dual boots, and the tv works with windows 7 (at 1280*720, 60Hz, "generic PnP monitor").
when i try to boot fedora with the TV as the display, the TV is showing stuff right up until the login screen appears (X starts, I guess). then the TV loses the input.
I can SSH into the system with the TV connected, or use it normally with a temporary monitor. I have no experience of successfully configuring HAL or X. how should I go about it?
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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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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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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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Aug 10, 2010
I successfully installed linux mint 9 and at the same time update the system. Now that everything is running, I returned the pc to the owner, but when I power it on, no display. You can see the post but no display after that. And 1 more, I press the shift while loading grub2, nope nothing happens. And also tried booting the CD installer, same results.
I installed the system using an old 15" CRT monitor and the owner had a AOC 1619sw LCD monitor. I found this thread from ubuntu which I think was the same problem as mine, [ubuntu] Help! No display/keyboard on boot with differnet monitor - Ubuntu Forums, but no solutions yet.
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Aug 3, 2010
I just installed Fedora 13 on my HP HDX 16 laptop (and accidentally corrupted my vista partition by resizing it so I'm pretty much stuck now. ^_^)
The light for the wifi toggle button constantly flashes between blue and orange (normally meaning the wifi card is on or off). Does anybody know how I can fix this?
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Oct 6, 2010
I'm setting up a new Linux box at home and going for a Mini-ITX. Of course my main choice of distro is Fedora 13. The site I buy computer parts from have discounts on Western digital caviar green 2TB drive, but read that it doesn't work good with Linux? Made a search here and seems to be some workaround to get it to perform better, but mostly people seem to suffer from using a Western digital caviar* on any Linux distro except Ubuntu 10.04.
The drive I've been looking at is WESTERN DIGITAL CAVIAR GREEN 2TB SATA/300 64MB. Have the Linux kernel made a fix for this drive or should I go for another brand? They also sell Hitachi, Samsung and Seagate on the site and so far SAMSUNG SPINPOINT F3 1TB SATA/300 7200RPM 32MB seems good. Also read Seagate baracuda discs are good.
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Jan 10, 2010
Can Ubuntu display to a sepporat monitor? If so what do I need to do?
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Jul 7, 2010
I'm having some strange problems with my monitor. It's an LG Flatron L1730S and the graphics card is a Nvidia Geforce 5600FX. The monitor is listed as unknown in monitor settings and is going at 51 HZ with performance and out of range issues in some game. How can I get ubuntu to recognise it, or better yet change the driver?I did some googling and discovered a tool called displayconfig-gtk, but I can't install it in Ubuntu 10.04
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Aug 14, 2010
I am using linux from last three month.
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Aug 12, 2011
I recently installed Debian. I have a monitor plug in to my laptop and i cant get my monitor to display its native resolution.
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Dec 14, 2014
How could xorg be set-up such that different monitors work with different DPI but still compose the same extended display?
I have a 15 inch laptop display extending to the right the main display which is 23 inch. The resolutions are comparable, but the difference in pixel size is very large. Thus, either the external display has too large fonts and UI, or the laptop one has them very small. Moving them at different distances is not entirely possible.
xrandr info:
eDP1 connected primary 1920x1080+2048+0 (normal left inverted right x axis y axis) 344mm x 194mm
VGA1 connected 2048x1152+0+0 (normal left inverted right x axis y axis) 510mm x 287mm
I heard that Windows has a hack (which I can't check) for extending displays with different pixels sizes: it computes in which of the displays a window has most of it's surface and sets the DPI for that window based on that. Thus a window will change DPI when crossing monitors, (and will look too small/large on one of the monitors if it is in the middle).
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May 4, 2010
I have a Dell monitor attached to a Dell laptop. I am using Ubuntu 10.04 x64.
Spec:
Latitude E6500 : Intel Core 2 Duo P8800(2.66GHz,1066MHz,3MB)
Base Options : 256MB Nvidia Quadro NVS 160M Graphic Card 1 S
Display : 15.4in Widescreen WUXGA (1920X1200) 2CCFL
Dell 2001FP (attached using DVI)
When I try to boot into Ubuntu with the monitor attached I get a DVI: Cannot Display this Mode message on my monitor. I can boot into Ubuntu just fine if I detach the monitor. Have tried with VGA, but to no avail. I have the latest and greatest Nvidia drivers downloaded from the Nvidia web site. Googling indicates that this is a Dell problem, however, I am not sure about this. It worked just fine on my previous laptop (IBM T61) and Ubuntu 9.10, so I guess it has to do with the laptop and not Ubuntu 10.04.
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May 10, 2010
I run Ubuntu on a MacBook Pro with an external monitor connected. But currently the external monitor only works with one user account. The External gets no signal and the laptop display is used on the login page. Is there any way of having the login page and possibly startup displayed on the external at all times for all accounts.
System > preferences > Display Doesn't work for me, I use NVIDIA X Server Settings
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Sep 13, 2010
If I turn off the monitors, I get a black screen (the monitors goes to power save) when I turn them on again.
I have a workaround which involves pressing ctrl-alt and f3 and then ctrl-alt f7. That usually works and brings up the graphical login-screen. And I get my session back.
But sometimes when I log in, my session is gone. It is as if I was logged out or the system has rebooted.
I have two monitors and Nvidia.
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Sep 13, 2010
I have a Visio TV that I dropped and cracked the LCD display in one corner, for watching TV it's basically useless now. On a whim I plugged it into one of my computers and about 75% of the screen is still usable. Only the bottom right hand corner of the screen is messed up. What I'd like to do if possible is to define an area of the screen. Say for instance the top left hand corner across and down to where the screen starts getting bad.
Like a left click and drag out the good area and then make only that area "the monitor" for the OS to use. I'd then probably build a case or something to house it in and only show the "live" area to clean things up. I'd like to use Ubuntu. But if you know I can't do it in Linux but can in Windows I'd consider that option as well. I just hate to junk the TV if I can use it some how as a monitor.
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Oct 31, 2010
I'm running 10.04 as a DVR (mythtv). If the computer boots with the TV off it won't detect the settings, and when I turn the TV on nothing displays. I have to ssh into the computer and reboot it to get it to detect the display.Any idea how I can go about solving this? How can I disable autodetect and force it to use a specific setting?
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Jan 30, 2010
When I start my system its getting booted through LAN and it showing login screen after I login it shows only black screen. Whether is may by Video adapter problem?
This problem came after I run a Perl portscan program, this script just scan all the ports from 0 to 65535 and reports which port is open and closed.
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Jun 17, 2010
Looking for a newb-type step by step process for configuring ubuntu to 1) recognize both the onboard video card as well as the PCI graphics card and 2) how to set up three displays with separate desktops (able to mouse-over from screen to screen). So far the 20+ hours searching online has yielded excessively complex instructions, inappropriate instructions, or ancient posts. Is this config even possible? Again, I am learning so the instructions need to be very deliberate. PNY GeForce FX 5200 PCI 256 MB 2 Port VGA + S-Video Graphics Card VCGFX522PEB and an onboard display apdapter (Intel P4 Chipset 845GV).
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Jul 13, 2011
Whenever I change my Display and Monitor settings. The settings keep getting reset every time I restart KDE. The changes work fine and as expected, they just keep getting wiped every time for some reason.Here is what the settings look like after each restart:And here is what I'm trying to modify them t
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Jan 7, 2010
I am having video issue with ubuntu 9.10 and centos 5.4 cannot get resolution higher than 800x600 on Viewsonic vg930m monitor...The first time I installed ubuntu 9.10 worked great, since then no better than 800x600 on both linux distros. Any ideas it is very annoying, like using web browser on a small tablet pc....This monitor works great with opensolaris, though.
Using both distros in virtualbox right now but even if not virtualized install on hard drive I cannot get higher than 800x600...Driving me nuts.
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Nov 28, 2009
My microsoft vx3000 lifecam just shows up as green.
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