Computer monitors (i.e. screens or displays). For system/application monitoring, please use the /monitoring tag.

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2
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1answer
34 views

Turning off part of a monitor

I'm trying to disable the right third of my monitor, since it's broken. I can get less to be displayed using xrandr, but the monitor will then center the displayed stuff, so that's not quite what I ...
1
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0answers
20 views

debian wheezy switches from internal to external monitor after AMD proprietary installation

First I would like to say that this is my first try to set up a linux distribution. With taking Debian 7.8 I was probably over estimating myself. I do have the following video card: lspci -nn | grep ...
1
vote
1answer
48 views

How to set the monitor brightness gracefully at boot time?

I've been using a loop that contains xrandr --output VGA1 --brightness 0.3 in a bash script which will automatically execute right after logging in by gnome-session-properties (a.k.a. Startup ...
0
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0answers
22 views

Monitor not indentity

I use Debian 7.x and have two same monitors NEC MultiSync LCD2090UXi. But only one of them is detected as NEC. I used xrandr for change resolution of unidentified monitor and all was ok, but after ...
0
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1answer
27 views

Linux Mint: “Move to monitor 2”: but I don't have a second monitor. How do I fix this?

I have a fresh install (about a week old) of Linux Mint 17.1 Rebecca (love the name!), Cinnamon edition on my laptop. If I right click on a tab, I get the option "Move to monitor 2". The problem is ...
1
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0answers
40 views

Custom Resolution For vt Console in FreeBSD 10

In FreeBSD 10 there is new vt driver for having nice framebuffer console. By default it chooses resolution from the EDID data of monitor. However... I have a monitor that lies in its EDID data, and so ...
2
votes
1answer
52 views

Persistent configuration of two screens

I want to configure two screens side by side and want the configuration to persist a system restart. (I'm using xfce on Xubuntu 12.) I've inspected old questions and the answers mentioned arandr and ...
1
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1answer
71 views

What decides where TTY and boot messages are displayed?

I recently switched from Fedora 21 to Arch Linux, and one thing that bothers me is that Arch does not put boot messages and TTYs' on all available outputs like Fedora does, but only on the primary ...
0
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1answer
39 views

Is there a way to adjusts the brightness of the monitor?

Using the softbuttons is annoying over time. I mean the real brightness of the backlight (Not X11 gamma). Which protocols are cabable of this? (DVI, HDMI, DP, guess VGA is not)
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0answers
154 views

How to rotate the LCD screen/framebuffer to 180 degree?

I have a custom board with a Freecale i.MX6Q SoC. I am using Linux kernel 3.03.35 and LCD is 3.5 inch RGB type display. I want to rotate my LCD screen to 180 degree. I tried a lot to pass parameters ...
1
vote
1answer
52 views

Thinkpad x201 Tablet, rotating Screen

I am running ubuntu 14.04 on thinkpad x201 tablet. I have tested the tablet modus once and the played a bit with the buttons under the screen (so rotated the screen). But now at the starting the ...
0
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0answers
37 views

Error in adding monitors for creating object cluster in Ceph

I've tried to install and config "ceph storage cluster" for creating ceph object storage. I'm following this manual. When I try to add 3 monitors by typing the command "ceph-deploy mon create osd001 ...
1
vote
1answer
124 views

hdmi not showing up in xrandr

Everything used to work until recently. Now, whenever I connect my HDMI monitor to my laptop nothing happens. Running xrandr doesn't show the HDMI output. Can anyone help out? I've been trying to fix ...
1
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0answers
11 views

How to set VertRefresh without restarting X?

Suppose a second monitor is attached to a running system, and the video driver has some trouble getting this monitor's EDID to get its limits of operation. The monitor has a native resolution of ...
-1
votes
2answers
118 views

Run GUI Java jar on system boot Lubuntu

I have a PC which runs Lubuntu 14.10 without a monitor. The user is autologged in. I have created a Sysvinit script and installed it on /etc/init.d. My script amongst other things, starts a jar file ...
1
vote
1answer
82 views

GNOME prevents high resolution VGA without EDID info over VGA

I recently bought a KVM switch, consisting of a VGA switcher and switchable USB hub. This switch however, does not pass EDID info from the connected display to either of the two connected computers. I ...
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0answers
67 views

Xorg: Connect remote display

I'd like to use laptop's monitor as second display for my main Debian workstation. I need exactly second monitor, but not Debian's X11 on laptop.
2
votes
1answer
124 views

How can I change screen brightness in debian wheezy that installed in laptop?

My screen is just too bright. How can I adjust screen brightness? So far I tried the following: "Brightness and lock" settings doesn't work. Fn + F6 or F7 doesn't work. This doesn't work. This ...
0
votes
0answers
184 views

Ubuntu 12.04.5 laptop not detecting external monitor

I am running ubuntu on my work laptop. When I plug in my external VGA monitor it mirrors part of the screen (different resolution) but does not appear on my monitor list under System Settings > Screen ...
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0answers
18 views

What happens in the operating systems when I connect monitor to a VGA port?

I would like to study the behaviour of the Linux operating system when I connect monitor to a VGA port. What exactly happens inside the OS and the Window Manager, which parts of it are responsible for ...
1
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1answer
295 views

Screen brightness adjustment not working in Ubuntu 14.04

When I try adjusting the screen brightness using the function keys on the keyboard, the adjustment scale is shown on the screen responding but the screen brightness is not adjusted. Tried ...
28
votes
2answers
4k views

Why is video tearing such a problem in Linux?

I've used many variants of Linux(mostly Debian derivatives) for over a decade now. One problem that I haven't seen solved satisfactorily is the issue of horizontal tearing, or Vsync not being ...
2
votes
2answers
194 views

Unable to start X Server with no screens, no xorg.config to edit

I am trying to start the X server (I have all the packages installed). The problem I am having is that the server is offsite, has no screen and never has had a screen connected to it and as a result ...
1
vote
1answer
138 views

Stretch window over two monitors with “gap” in between

I have a dual monitor setup with Compiz as window manager on Ubuntu 14.04. I can resize a window to stretch over both windows. However, while the physical display panels are a few centimeters apart, ...
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0answers
320 views

Cant change screen resolution in Kali Linux [closed]

So I bought a brand new laptop, I bought a Lenovo Y50. It runs a Nvidia GEFORCE GTX. I installed Kali linux on the HDD and the screen is to large and does not fit on the actual computer screen. ...
3
votes
1answer
70 views

How do dim screen, even if artifically, below the minimum?

My laptop (a Toshiba Sattelite) runs far too bright, even in the ambient light from outside in the day, and I need to be able to dim it below its minimum setting. ~#cat ...
2
votes
1answer
147 views

Dual Monitor mode in XFCE not working with xrandr

I am using Manjaro with XFCE on a laptop (Thinkpad x240). I have a docking station (Thinkpad Ultra Dock) with a monitor connected and that works like a charm. Today, I received my second monitor and ...
3
votes
1answer
219 views

Why is laptop screen called eDP1?

In my new laptop, using i915 and the intel driver of Xorg, the laptop screen is called eDP1 in Randr $ xrandr eDP1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm ...
2
votes
2answers
651 views

configure second monitor

I have a new Debian machine and I'm trying to attach a second monitor to it. When I plug it in in my HDMI port, the second monitor duplicates the firts monitor, while I wuold like to extend it. My ...
1
vote
1answer
476 views

unlisted screen resolution

on my new computer I have 2 screens connected on the igpu of a i7 processor, 1 using hdmi. the other using dvi. Both screens are the same but 1 has a wrong resolution inside X, and it can't be ...
3
votes
0answers
67 views

how to use xrandr to mirror just a part of my main screen?

I want to make a mirror of just a part of my main screen to another monitor with different resolution. So it will be necessary to crop the desired area and apply a transformation to fit the screen ...
1
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0answers
101 views

External VGA monitor disappeared from display options list

I am running Linux Mint 17 Xfce on an HP Elitebook 840 G1 laptop. Up until just now I was using an external monitor, displaying identically the same thing as the built-in laptop display, connected via ...
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0answers
36 views

Fedora 20 Monitor Flickering /Tremble

I used a LCD monitor with Fedora 10. No problem. Then, I bought a new computer, Intel Atom (Packard Bell) and installed Fedora 20 KDE Plasma and attached the previous LCD monitor Everything fine, ...
0
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0answers
306 views

QEMU fullscreen mode on external monitor

I recently purchased an external monitor which I succesfully connected to my Lenovo Thinkpad and the accompanying Lenovo Advanced Dock via a DVI-D cable and it works fine so far. Unfortunately, I'd ...
0
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0answers
12 views

i3 mirrors laptop screen on monitor, wasting space [duplicate]

Similar to this guy, I connected my laptop to my new monitor with a vga cable, when using i3 it mirrors the laptop's screen, which is smaller, causing tons of wasted space. Is there some way to ...
5
votes
0answers
509 views

Monitor connected via displayport to DVI adapter won't sleep properly

I have a monitor connected to my machine that displays odd behavior when entering power saving sleep mode. When entering sleep, the monitor will alternate between blanking and displaying a default ...
2
votes
1answer
916 views

CRT monitor refresh rate

I have Ubuntu14.04 64bit installed on computer with a CRT monitor. In Windows I could set the monitor's refresh rate to 85Hz. But Ubuntu's xrandr reports that maximum is 60Hz for 1024x756. Is there a ...
1
vote
2answers
228 views

Matrix Structure for screen rotation

I can set my screen rotation to inverted with: xrandr -o inverted xinput set-prop 'ELAN Touchscreen' 'Coordinate Transformation Matrix' -1 0 1 0 -1 1 0 0 1 and back to normal with: xrandr -o ...
0
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0answers
184 views

Linux Mint (XFCE) on Acer Veriton - using one monitor, Mint thinks I have two?

I've installed a fresh version of Linux Mint 16 (XFCE) on an Acer Veriton desktop. It seems to work correctly, however, I have a "display within a display". I.e. I have a full screen display, with ...
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0answers
89 views

Automatically detect multiple monitors

I'm running Ubuntu 13.10 with xmonad. I am not using GNOME. I frequently have a second monitor plugged into my laptop, but I always have to configure the extended display manually. Right now I'm using ...
4
votes
1answer
2k views

Cannot use highest resolution, xrandr does not list mode (Intel GPU, DP to DVI adapter)

I have a screen capable of 2560x1440. It is connected to my Intel NUC with a DP to DVI adapter. My graphics card Since updated my Arch Linux system last week (not sure what was updated exactly) I can ...
2
votes
1answer
435 views

Change default monitor screen in GRUB 2

Recently my notebook screen died and I started using an external VGA monitor. When my computer boots the monitor is off until GRUB 2 starts the OS. Is it possible to make GRUB 2 display its menu in ...
2
votes
1answer
161 views

Screen size in FreeBSD in VirtualBox

I am installing FreeBSD 10.0 on VirtualBox, and I can't figure out how to change the size of my screan, in the virtualbox? The freebsd in the virtualbox treats my screen like it's 1/4th the size of ...
3
votes
2answers
601 views

Enable second monitor from shell

So... I have two monitors on my Ubuntu machine. And every time I launch some Windows OpenGL application under Wine it turns off the second monitor. And leaves it turned off when the application exits. ...
1
vote
1answer
60 views

Selective dim screens

How can I dim only select screens of my multiple-monitor linux system? I have 5 monitors connected to my computer 4 *15 inch and one 27 inch. sometimes i want to use only the main screen (27) and ...
1
vote
1answer
185 views

External Dell monitor has ghosting effects on dropdowns and terminals

I have an external monitor setup that works perfectly in windows, but in linux mint I get weird ghosting effects in the monitor. the monitor is a DELL SP2309Wc with resolution of 2048 x 1152 No ...
3
votes
0answers
388 views

What is the xcalib -screen number for the HDMI monitor?

I must use a VGA-to-DVI cable and a HDMI cable to run two monitors. I'm trying to invert the colors on both monitors but I can only invert one of them: $ xcalib -invert -alter -s 0 #works $ xcalib ...
5
votes
1answer
2k views

Cinnamon 2.0.14 crashing when a second monitor is enabled with NVIDIA drivers (Mint 16)

Here's the set-up: 2x identical GTX460 cards 1x BenQ 144hz monitor (1920x1080) 1x Asus 60hz monitor (1920x1080) I was told to avoid installing the NVIDIA driver myself and use the ...
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votes
0answers
375 views

Change screen resolution of Xenserver Console for a CentOS VM

I need to increase screen resolution to 1024x800 for my XEN console. I tried to place vga=791 at the end of kernel line the file /boot/grub/grub.conf but it seems that most of the boot arguments ...
3
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0answers
218 views

How can I crop a 1920x1200 monitor to 1920x1080?

I have just purchased a 1920x1200 monitor, and have some situations where I want to force the output to the more common 1920x1080. However, I don't want to distort the output, and would prefer a ...