Debian :: Primary Monitor (VGA) Not Detected
Sep 29, 2015
Today I set up the energy settings like that:
10 minutes (screen), 20 minutes for suspension.
After around 30 minutes, I came back and switched back on the pc.
The primary monitor (VGA) was not detected, even after a system reboot.
More info about my pc:
Debian stable 8.2, kernel 3.16.0-4-686-pae.
I have an Nvidia card, but currently I am using nouveau drivers.
Two monitors: VGA (primary) and DVI (secondary).
Later I could get my primary monitor to work by switching tty (ctrl+alt+f3 and typing "startx" in the console).
I guess this is related to Xorg configuration (/etc/X11/xorg.conf is empty), but I am not really sure.
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Feb 19, 2009
I install the debian on my PC, but the monitor is not detected or not adapted ( while it is for linux CD live, and windows XP). it gives the following errors :
I want to use the file xorg.conf given by CDlive ( sidux for example) and copy it in the /etc/X11 of my debian, is it enougn or I need ohter configuration ?
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Nov 13, 2015
I noticed that Debian 8 has a significant bug related to detecting presence of display(s). Today, I woke my computer from sleep while the LCD monitor was unplugged from power (the monitor is connected via DVI) then I powered the monitor but nothing was displayed. Next, I connected another monitor via HDMI and both screens started working. However after disconnecting HDMI cable from the second monitor the first one with DVI stopped showing anything. The conclusion of this situation is that HDMI monitor must be connected all the time.
I thought that this is caused by graphics driver, but I experienced the problem on different machines, one with nvidia driver and DVI, and the second with default free driver and DisplayPort.
I just checked that this is related to KDE. After switching to console using ctrl+alt+f1 the screen turns on, but when I am going back via ctrl+alt+f7 the screen disappears.
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Aug 16, 2015
Setup:
I'm using i386 Jessie Debian, have an i7 Intel processor and Gtx 745 4gb NVidia GPU.
I am running with nomodeset due to blurring issue but issue occured without nomodeset too.
Problem:
When I start Debian with just a monitor in the HDMI slot it doesn't recognize the monitor and keeps the monitor at 1024x768.
When I start Debian with monitor in both DVI and HDMI slot it only activates the DVI monitor (with proper resolution). PC has no VGA I have no DP cable.
xrandr:
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 640 x 480, current 1920 x 1080, maximum 1920 x 1080
default connected primary 1920x1080+0+0 0mm x 0mm
1920x1080 0.00*
1280x1024 0.00
1024x768 0.00
800x600 0.00
640x480 0.00
Which is my dvi monitor, no other screens detected. Is there any way to get the HDMI to run properly?
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Oct 20, 2015
My system can't seem to detect the external monitor that I've plugged into my laptop using and HDMI cable. The monitor works when I'm booted into Windows so I know that it isn't a problem with the monitor or the cable.
When I run xrandr I get.
Code: Select allScreen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
LVDS1 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 310mm x 174mm
1600x900 60.00*+ 39.99
1440x900 59.89
1360x768 59.80 59.96
1152x864 60.00
1024x768 60.00
800x600 60.32 56.25
640x480 59.94
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
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Jul 30, 2015
I've recently installed Debian v8.1 and installed Nvidia driver 340.46. In nvidia-settings I am able to enable my second monitor and enable it/set it's position..etc. My second monitor is not being detected in Debian Display and is 'on' but only showing a black screen. I've tried researching and implementing various 'fixes', but I'm not having any luck.
I'm running dual GTX 570's with a monitor plugged into one each (DVI). I noticed in my xorg.conf under Section "Screen" I have an option "MultiGPU" "Off"; would this be part of the issue?
I've tried:
- purging all nvidia drivers and re-installing
- installing different versions of nvidia drivers
- add nomodeset in grub
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Aug 17, 2011
My software and hardware information are as follows. I have Fedora 12 and KDE 4.4.5 installed on a Dell Vostro 1500 laptop. I believe it's a 64 bit processor; it's an Intel Core 2 Duo CPU. The external monitor is a Dell as well.
My problem is that my system does not seem to be detecting an external monitor that I have connected. Everything else is working just fine; however, I would like to have the option of attaching an external monitor. When I plug the external monitor into the laptop, the external monitor remains black and appears to be in power save mode. The results of xrandr -q (with or without the external monitor attached: it doesn't appear to change) are as follows.
Code:
How can I get my laptop to recognize that the external monitor is even connected? Let me know if I can be more specific or provide additional details.
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May 29, 2010
I have two monitors, the internal LCD of the laptop, and an external 23". It is working well, but sometimes dialog boxes pop up on the laptop screen inconveniently. The Gnome panel is on the big screen. For example, Firefox is running on the "main" external big screen, I select Edit|Preferences and the dialog box comes up on the laptop screen. 9.04 didn't do this. Is there a primary monitor setting or something to fix this?
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Oct 30, 2010
I've been having an issue with switching two of my monitors' status. I've got a 19' Sceptre monitor, and a 24' Samsung SyncMaster P2450.I'm using an ATI Radeon HD 5770 graphics card. I'm using 2 DVI ports to connect the monitors.Currently, all of the icons and menu bars are appearing on the Sceptre monitor. The Sceptre monitor is also to the left of the Samsung monitor. I've looked all through the Catalyst Control Center preferences and can not find anything useful.
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Sep 11, 2010
I run a dual-screen setup, and the installation detected both screens without troubleowever I want to change primary screen, so the panels and menus will be located in the biggest monitor.I am not able to do this in the System -> Preferences -> Monitors interface. Where can I do this simple operation
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May 29, 2011
I am having a problem with the nouveau driver in Fedora 15 Code: lspci | grep VGA 40:00.0 VGA compatible controller: nVidia Corporation NV41GL [Quadro FX 1400] (rev a2) The problem is that when I boot a Fedora 15 live Cd, either gnome or xfce, the monitors initially seem to work in that they display at the proper resolution, both as the CD boots and as X initially starts. I can see the background and the mouse cursor - it is "busy" ...
As the desktop finishes loading, however, my primary monitor becomes disabled. With gnome the screen goes black, with xfce it goes white. I can still see the mouse on my secondary monitor, but I can not seem to open any applications (such as a terminal) or change to a console (ctrl-alt-F1 or ctrl-alt-F2). I can boot into safe mode. Adding the boot option video=xxx sets the resolution on the console as it boots, but does not help running X.
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Jul 23, 2010
I installed openSUSE 11.3 on my Dell studio laptop with Mobility Radeon HD 4500 graphics card and everything worked straight out of the box.
Now.. I am connecting my tv through HDMI cable as second monitor. Basically I just want to play movies on my tv while still having the laptop screen free to work. This also works, I just plugged it in and I had two screens.
My problem is that my tv is the primary monitor so basically my laptop background (and all the buttons that go with it) moves to the tv and my laptop background is just a background. See attached image at the bottom of this post(Laptop on the left and tv on the right).
This is exactly what I want but the other way around. I can't seem to change this in System Settings/Display. Is there a file somewhere I can change this?
ImageBam - Fast, Free Image Hosting and Photo Sharing
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May 27, 2010
I have two monitors attached to my video card. Primary monitor has a resolution equal to 1280x1024 and second has 1920x1200. My gdm login screen always appears on the second monitor even if it is switched off. My question is how to force gdm to show login screen always on primary monitor with resolution 1280x1024? I use Ubuntu 10.04.Now I'm ready to modify gdm sources if there is no such option in configuration files.
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Jun 8, 2011
I'm having problems setting the primary display in my Linux environment. I tried following the instructions here which seems to be working for everyone but it didn't work for me. In my /etc/gnome-settings-daemon/xrandr folder, I edited the monitors.xml file as well. It looks like this:
<monitors version="1">
<configuration>
<clone>no</clone>
<output name="LVDS">
<vendor>AUO</vendor>
<product>0x22ec</product>
<serial>0x00000000</serial>
<width>1366</width>
<height>768</height>
<rate>60</rate>
<x>1920</x>
<y>0</y>
<rotation>normal</rotation>
<reflect_x>no</reflect_x>
<reflect_y>no</reflect_y>
<primary>no</primary>
</output>
<output name="VGA-0">
<vendor>DEL</vendor>
<product>0xf022</product>
<serial>0x30395453</serial>
<width>1920</width>
<height>1080</height>
<rate>60</rate>
<x>0</x>
<y>0</y>
<rotation>normal</rotation>
<reflect_x>no</reflect_x>
<reflect_y>no</reflect_y>
<primary>no</primary>
</output>
<output name="HDMI-0">
</output>
</configuration>
</monitors>
The settings seem correct, primary is set to yes on the monitor that I want but it doesn't seem to be working as well.
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Feb 21, 2010
I am running Ubuntu 8.04 on a laptop. I have a 19" Acer monitor and in the past have successfully configured my xorg.conf to handle dual monitor setup with 1024x768 on the laptop and 1600x900 on the Acer monitor. What I have done now is run the laptop through a KVM switch. Due to this, I would like to set the Acer monitor as the primary monitor and just shut the laptop. How can I project my laptop screen to my Acer monitor so that I can use the 1600x900 resolution available rather than just cloning my laptop and using 1024x768?
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Jun 12, 2010
I believe I'm right in thinking the type of graphics card I have is relevant somehow to this, so after some googling I think I worked out mine is Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller.
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Mar 9, 2011
So i was searching around my big desktop was working fine by default but I couldn't figure out how to switch my primary monitor and all the threads on this topic where real old and the fglrx drivers kept messing me up
so I went to my profile and showed hidden files and found a cool .xml file called monitors under .config
opend it up and chooses the primary monitor I wanted
very Nice Yes
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Jun 25, 2010
I swapped my monitors and reconfigured x using Nvidia-settings. My main monitor is set as primary display and absolute. My secondary monitor is set to left of..
My desktop Icons default to the left monitor not the primary.
Is there a way to change this?
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Feb 9, 2010
I have openSUSE 11.2 KDE with NVIDIA drivers. I have a TV on the left and a monitor on the right. In the Nvidia drivers this has also been setup as stated. The TV is on position 0:0 and the monitor is in position 1920:0. The monitor has been ticked in the drivers as the primary screen.
My problem is that all application open on the secondary screen and not the primary screen (monitor) as I expect. How to the OS/drivers that will ensure that application always open on the monitor situated on the right are welcome.
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Mar 10, 2010
I just installed Ubuntu 9.10 this evening. I have a Nvidia Geforce 8500GT video card with two monitors hooked up (one to the cards VGA, the other to the DVI). I installed Nvidia drivers and Ubuntu is working with both monitors fine.
The problem I am having is it chose the monitor plugged into VGA as the primary (uses that monitor for the toolbars) when I really want them to go on the monitor that is plugged into DVI. Is there anyway for me to switch which monitor Ubuntu treats as the primary?
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Jun 25, 2010
I'm using a laptop and running a secondary monitor to my TV. My laptop has ATI HD 3400 video card. The TV has a higher resolution than the laptop's monitor. When the video is full screened on the TV, the actual video uses the resolution of the primary monitor and not the second.
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Aug 19, 2010
I have an ASUS 1000HE laptop running Lucid 10.04 (Desktop not netbook version) which I have connected to an external display (LCD). I don't intend to use the laptop by itself anymore therefore I have configured the display properties to turn off the laptop display and use the external display as primary. However, when the PC enters 'locked mode' or the display powers down after a defined period of time (as set in the properties) when I wake the PC and the display, it turns the laptop monitor back on .... switches the laptop screen to primary display (i.e. with the panels etc displayed on it) and extends the desktop to the external display! The only thing I can then do is go back into the configuration utility and turn the laptop monitor off again and boom, everything is fine and dandy displaying on the external display again! I don't really want to have to do this every time I come back to the PC after it has been locked nor do I want to write a script (if it can be avoided) to deal with it!
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Jul 6, 2011
I have a Radeon HD 5830, running 3 monitors on 10.10 64bit with the 10.6 video driver. The three monitors ( from left to right ) :
DFP1 : 1152x2048
DFP2 : 1920x1200
CRT1 : 1360x768
The problem I'm having is getting the middle monitor to be the primary one.
Running
xrandr --output DFP2 --primary
puts the panel on the middle screen but my docky and icons stay on the left screen. Flash videos also open up on the portrait left monitor which looks awful. Ideally I would like the icons on DFP1, docky on P2 and flash videos to open on P2. But I would definitely settle for everyone to be on the middle screen and drag it around as I please.
[Code]...
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Feb 21, 2010
My setup at home uses a laptop, with a larger external monitor in addition to the built-in LCD panel, which is primary. I can see the larger monitor from the rest of the room and use it as my TV, for playing DVDs and various types of web video. However, it isn't ideal for Flash video. For instance, if I watch a video from Hulu or any other Flash-based site, I can expand it to full-screen mode.
However, no matter which monitor the browser window is on, the full-screen mode is always on the laptop LCD panel, which is both too small and not visible from most of the room. Does anyone know of a way to force the Flash video to play full-screen on the monitor I select instead of the primary? My video chipset is NVidia, using kernel 2.6.31 (Ubuntu).
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May 21, 2010
I am posting this to hear if there are others with display issues on Dell E6500 laptop with the Nvidia Quadro NVS 160 driver. This problem is starting to annoy me a great deal, but I am uncertain how I should move forward. In short; I have Ubuntu 10.04 x64 installed on my Dell E6500 laptop. When using only the laptop, everything works great. The second I plug it into the docking station (the laptop lid closed) and want to use my two external monitors (Dell 2001FP) I'm in trouble. I cant see anything and what I get is a 'DVI: Cannot Display this Mode' on the primary monitor - If i try a regular VGA cable I get nothing but a black screen.
I have played around with the Nvidia config but it cant find my monitors and therefore I cant do much. I am aware of the various "hack the xorg.conf" options, but I before I do that I wanted to see if others had experienced the same thing. I had hoped that we were pasted the hack stage and that primary functions such as display would work by now.
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Apr 13, 2011
When my netbook has an extended screen, using an external monitor, all of the panels stay on the netbook, not the big monitor. When I connect an external monitor, I want to use it as my primary screen. I only really intend to use the netbook screen for skype calls (so I am looking into the webcam, and not away from it) since it is so small. I wish the secondary screen to be the netbook, not the external monitor. How can I do this?
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Dec 14, 2010
I have a ViewSonic (VA1703w) LCD and Fedora 14 is not detecting it. I want to change the resolution but it is fixed to 1024x768. I have also tried to add the resolution in xorg.conf but no effect.
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Oct 28, 2010
I just upgraded, and when I rebooted I could see that it was booting but after the initial phase I got a blank screen.
I went to prompt and tried xrandr to which I got the error : Can't open display.
What does that mean, and how do I fix this? I guess that my monitor is not properly identified or is not identified at all.
Does anyone know what I can do?
Went to /etc/gdm to find xorg.conf but it is not there. In etc/X11 I have an xorg.conf
The contents are :
Section "Monitor"
Identifier "Configured Monitor"
EndSection
Section "Screen"
[Code].....
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Jun 1, 2010
So I have a Samsung monitor at work (model 2343BWX) that I use in addition to my laptop screen. My computer is a T500 think pad. When I boot into ubuntu 10.04 from previously shutting down the computer in ubuntu I can't detect the monitor. If I however boot first into windows (I don't even have to enter my password, I can just press shutdown on the menu instead of logging in, and then boot into ubuntu) and it auto detects the monitor.
I have tried going to System -> Preferences Monitors and clicking "Detect Monitors" it doesn't work. Anyone know how this could be?
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Jul 7, 2010
I have installed (successfully) Ubuntu 10.04 ppc on my powerpc g4 mac. 400mhz, 1g ram. Its the blue model. It works great, but it does not detect my monitor, and I can not change the settings past 800 X 600. I am using a Dell 19 inch monitor. Analog input (not DVI yet) resolution 12080 x 1024 60hz. I believe I need to change the info in the xconfig file (but I don't know to what or how), and I may not be saying that correctly.
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