Questions tagged [monitor]
Questions that relate to the electronic display (sometimes called a visual display unit) for computers. Typically questions relate to visual issues such as flickering, resolution, black-screens together with the usage of single and multiple displays.
139
questions
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3
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How to set the monitor to its native resolution which is not listed in the resolutions list?
After installing Ubuntu 10.04 with my Samsung SyncMaster B2030, native resolution (1600X900) is not found in the list of resolutions.
11
votes
6
answers
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Adjusting display geometry in a virtual machine?
Running 11.04 beta in a Parallels 5.0 virtual machine, but this question will apply to any virtualization software.
Parallels 5 Linux tools (guest additions) don't work for 10.10 and 11.04 and I don'...
119
votes
11
answers
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Turn off monitor using command line
I am runnning Ubuntu Server on my laptop. There is really no reason for the screen to be on. I have been trying to use this command to turn the screen off:
sleep 1 && xset dpms force off
The ...
66
votes
2
answers
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How to see/change screen refresh rate or monitor frequency?
My eyes hurt so I thought I should check the screen refresh rate (monitor frequency), but I couldn't find it.
Where is it? (in Ubuntu 12)
28
votes
6
answers
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How can I get a DisplayLink USB monitor work under Ubuntu?
I have a DisplayLink-based external USB monitor, which has both power and data over USB, and seems to work perfectly under Windows 7, but only can display a text console under Ubuntu 10.10, and that I ...
18
votes
3
answers
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How do I set the correct monitor resolution with Nvidia drivers for a monitor that does not send EDID?
I keep having trouble getting the correct monitor resolution - every time I reinstall, I happen to use a newer Ubuntu release and the old tricks I used to know no longer work. Instead of leaving a ...
10
votes
4
answers
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frequency out of range - please change display mode
I just downloaded the latest version of the Ubuntu live CD, and have installed it on a desktop computer (a Fujitsu Scaleo P). Once installed it seems to work perfectly, although there are some updates ...
31
votes
4
answers
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How to change the monitor's refresh rate?
How do I change the monitor's refresh rate in Oneiric?
There is no option to do it in the Displays dialog now. By default it's 60Hz, but I need 75Hz on my monitor.
In previous releases there used ...
60
votes
9
answers
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How to calibrate the monitor on an Ubuntu system?
What is the procedure to calibrate the monitor and what software to use?
Edit: I think what I mean is "colour profile" if that's what it is called. I happened to notice that the same photos look very ...
60
votes
6
answers
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Manually turn off monitor
Can I turn off my laptop monitor manually and instantly with just a click or a simple terminal command?
I just want to turn off my monitor not locking my machine.
There is no dedicated turn off ...
30
votes
4
answers
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Split monitor in two
Is there a way to split a single monitor in two, so that the two halves will be treated as separate monitors? This means that windows should fill half the screen when maximized. Also, gnome panels ...
13
votes
1
answer
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Prevent monitor from losing signal after screen saver / lock activates
After the screen saver activates, or after I manually lock the screen via Ctrl+Alt+L, I see a blank black screen with just the date / time in the upper right corner. A few seconds after that, my HP ...
24
votes
7
answers
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How do I configure Ubuntu for a 21:9 screen?
I have an ultra wide screen, 21:9 resolution, AOS. There's no option for 21:9 in the Ubuntu display settings though so I have to have the monitor set to 16:9 which kind of defeats the purpose of ...
20
votes
2
answers
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How can I mirror one of the screens in a 3-monitor setup?
Is it possible to have 2 extended monitors and get the third being a mirror of one of the two extended?
I'm pretty sure it's not possible through the interface but it may be possible through ...
20
votes
3
answers
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notify-osd and dual monitors
I use Ubuntu 10.10 on a laptop, with an external monitor, which is used as the primary. Notify-osd alerts show on the connected monitor, as I want.
However, some days ago I removed both gnome panels ...
11
votes
2
answers
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Two monitors when only having one in 13.10
I just did a fresh install of Ubuntu 13.10 64bit, and it says that I have 2 monitors, when I actually only have one
I have a Dell XPS 15 with Nvidia graphics card if that helps in anyway
33
votes
3
answers
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How do I measure dimensions on screen?
I have an image on screen, and I want to measure its width. Of course I can use a ruler, but that's whimsical and slow. Is there something where I can click a shortcut key, drag out an area, and it ...
33
votes
5
answers
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How can I reset my display settings through terminal?
I am using Ubuntu 15.10. I accidentally changed the size of the interface to maximum. Now my folders and windows are too large and don't fully fit the screen so I cannot revert the effect. Is there ...
26
votes
9
answers
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Limit a graphics tablet to one monitor
I am running Ubuntu 16.04 LTS and I recently got my HUION H420 Graphics Tablet.
I have two monitors and the graphics tablet spans both of them however I would like to have it limited to only my main ...
2
votes
1
answer
1k
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Desktop monitor brightness adjusting [duplicate]
Is it possible to adjust desktop monitor brightness like on laptops?
Yes all desktop monitors have separate menu for it.
But is it possible to change this to something like Winkey+(F1..F12)?
...
32
votes
14
answers
285k
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Ubuntu not detecting second monitor
I'm running Ubuntu 12.04 on a Lenovo x61s Thinkpad. As the screen's rather small and I want to do some video editing, I thought I'd plug in a monitor and use that. The monitor is Relisys JM777 (quite ...
19
votes
2
answers
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How to prevent my screens from turning off, when the screen is locked?
I would like to have my screen fully powered at all times, but it goes to standby once I lock my PC.
72
votes
8
answers
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Display monitor info via command line
Is there a way to query monitor information from command line? For example, get monitor model, similar to e.g. what lspci does for graphic card info, or whether it's currently on or off, things like ...
45
votes
2
answers
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How do I rotate my display when not using an X Server?
I have a widescreen monitor that rotates. I'm trying to use it in 'landscape' mode (vertical). This is easy in the GUI.
How do I rotate my display when I am not running an X Server or when I am ...
21
votes
7
answers
59k
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How to monitor & log server hardware temperatures & load
I am looking for a way to log & monitor my server hardware temperatures and load (like for CPU or RAM). How might I do that?
Objective is to:
ensure hardware is not heating up
identify what ...
9
votes
1
answer
31k
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How to monitor Ryzen Temperatures on Ubuntu 18.04?
i found this post
https://linuxconfig.org/monitor-amd-ryzen-temperatures-in-linux-with-latest-kernel-modules
however the git repository they are using doesn't exist any more so i cannot try it.
...
6
votes
6
answers
2k
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Ubuntu eye strain problem?
Hi I saw lots of posts here regarding Ubuntu eye strain issue. But none could answer my question. I use Intel i5 processor, AMD radeon Graphics card.
When I use my Win 7, there is no issue with my ...
6
votes
2
answers
9k
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How do I configure a displaylink USB monitor?
I have seen many pieces but not a comprehensive guide to fix what must be a very common problem, particularly in Ubuntu 11.10 where there is no xorg.conf file. Is there an easy how-to somewhere (for ...
6
votes
3
answers
14k
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HiDPI Screen + Monitor application scaling issues (Wayland and X windows)
I am using Ubuntu 18.04 on a Dell XPS 13 (2018) that has a HiDPI (UHD) Screen (3480 x 2160), I am then connecting to a UHD Dell 34" Monitor (3440 x 1440) via a USB-C DisplayPort cable.
All the ...
46
votes
3
answers
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How do I list connected displays using the command line?
Is there a command that will list displays connected to the computer?
Specifically, I'm looking to find out how my external monitor is being detected by the system when connected by HDMI cable and ...
25
votes
4
answers
50k
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How to make custom refresh rate stay saved?
I'm testing out 14.04 on a partition to see if I want to use it as my main desktop for when it's fully released, but I've encountered some problems.
I have a 144Hz monitor, so in the the Nvidia X ...
21
votes
1
answer
32k
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How can I mirror/flip display output?
For strange reasons best not asked, I have a projector plugged into my computer that is pointed at a mirror. So the computer image is displayed on a wall, but it is mirrored.
In Linux(ubuntu) I can ...
11
votes
6
answers
63k
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Is there a program that tells ram usage? [duplicate]
Possible Duplicate:
How can I monitor the memory usage?
I have Ubuntu 12.4 LTS and I need a program that will be able to monitor my ram usage. Any suggestions?
7
votes
1
answer
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How to install icinga on Ubuntu 12.04 & Monitor remote host?
How to install latest icinga & icinga-web on Ubuntu Server 12.04 & How to monitor remote hosts ?
7
votes
1
answer
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Can't select 2560x1440 resolution even though I know it's possible (I have proof!)
I have a new monitor, (the Dell U2515H) which I'm trying to drive at 2560x1440 resolution (just 30hz) over HDMI using only the onboard graphics on my machine (Intel HD4000 found in the ivy bridge CPU)....
6
votes
1
answer
3k
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HDMI monitor not detected by laptop after unplugging and plugging back in
I have an external monitor attached to my laptop HDMI port. When I boot my laptop, both the laptop screen and Monitor successfully turns on and works perfectly. However, whenever I unplug the external ...
6
votes
2
answers
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Which application can I use for a network traffic monitor
Is there a way to see ALL the traffic? from which process with the REAL NAME is accessing to which IP with the REAL NAME at which bitrate?
When I say real name I am referring something like this:
...
4
votes
2
answers
5k
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Unable to Resume after Screen has Locked
I am not able to resume a session after the screen has been locked for a long time. This is not a new problem. Similar questions have been posted in the past, two of which are listed below.
Black ...
4
votes
2
answers
15k
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Signal out of range message at boot time
I have gone through all the posts and I am pretty sure I know how to fix it, but I can't seem to be able to get to a prompt.
I see GRUB loading and then nothing from that point forward. Immediately ...
4
votes
0
answers
2k
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Which laptop for Ubuntu 16.04 with 4k external monitor? [closed]
I've been doing a lot of research but I can't seem to find an answer to this question.
A plethora of laptops exist that do work well with Ubuntu; that I know. Some even include a builtin 4k monitor ...
3
votes
2
answers
5k
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Schedule to turn off monitor via crontab?
I want to turn off monitor on a specific period of time automatically (for example between 07:00 and 11:00). Is there any command to be set in crontab file? Is there any better way?
In summary:
...
3
votes
1
answer
2k
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Dual monitor screens are reversed only in login screen
Today I installed Ubuntu 14.04 on my computer. I have dual monitor setup, and they work perfectly when I'm logged into the operating system. But every time I have to login in the login screen, the ...
3
votes
2
answers
2k
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chrome resolution changes when monitor is turned off
Having an issue with Google Chrome resolution/dpi changing when I turn my monitor off. I'm pretty sure that this is all related to the scaling factor from Universal Access Panel. in which I have large ...
3
votes
1
answer
6k
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How to force a higher screen resolution from Ubuntu 12.04 and an NVidia GTX460?
I'm running Ubuntu 12.04 x64, kernel 3.2.0-24-generic with an NVidia GTX460 and an Achieva Shimian QH270-Lite 2560 x 1440 monitor connected by a dual-link DVI cable.
I've installed the nvidia-...
3
votes
1
answer
4k
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How to add a resolution in display settings? [duplicate]
I have a computer using Ubuntu 14.04 LTS with the ASUS Nvidia gt440 graphics card and a vga monitor that is supported with the resolution of 1280 X 800.
However, in the display options I could not ...
2
votes
1
answer
3k
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How to connect USB monitor? [duplicate]
I have a Mimo monitor and it runs USB. I tried and failed and I don't know what to do......All i get from the USB screen is just a green screen. Anyone could help me?
2
votes
2
answers
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Using a displaylink usb video adapter
I just bought this USB graphics adapter and I need to use it on Ubuntu 10.10. I followed this guide, but when I ran
$ ./configure && sudo make install && make check
nothing happened. ...
2
votes
1
answer
4k
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Can't change brcm_monitor0 in /proc
I am trying to change the value in the file /proc/brcm_monitor0 from 0 to 1.
This file is used to set Broadcom wifi modules into monitor mode.
The default method to do this is:
sudo -s
echo 1 > /...
2
votes
1
answer
16k
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Edges of screen cut off in Ubuntu 12.04 [duplicate]
I have a Visio 19" t.v that I am using as a high-def monitor. I am using a PCI graphics card (EVGA GeForce 8400 GS). I am using an HDMI cable to transmit the display. I have already checked and ...
2
votes
1
answer
1k
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Installing nvidia driver?
I have ubuntu 12.04 running on my laptop. I've been trying to install a 2nd monitor on it, but ubuntu does not detect the second monitor. I have an nvidia card on my laptop, and ubuntu was using the ...