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.
1,090
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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 ...
- 1,231
74
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 ...
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67
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)
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5
answers
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How can I get my laptop's monitor size?
What is the Ubuntu linux command to find laptop monitor size? I want to know in inches if possible.
Thanks
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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 ...
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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 ...
- 1,596
48
votes
3
answers
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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.
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47
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 ...
- 671
45
votes
2
answers
83k
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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 ...
- 593
34
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 ...
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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 ...
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32
votes
15
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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 ...
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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 ...
- 1,047
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 ...
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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 ...
- 6,186
26
votes
9
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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 ...
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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 ...
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24
votes
5
answers
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How to monitor the memory consumed by a process?
I have a process that I would like to see how much memory it consumes while it is running.
Right now I do this:
ps faux | grep casper
But that just gives me the information of that moment. It would ...
- 591
24
votes
7
answers
78k
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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 ...
- 341
24
votes
1
answer
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Adding a CPU monitor widget in the top corner like in Gnome2
I wonder if you can add a widget or something like it in the top corner (next to volume and WiFi and things like that) that displays current use of CPU and maybe RAM. I know you could add stuff like ...
- 243
23
votes
7
answers
26k
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How to map wacom correctly to monitor
I am using Ubuntu 12.10 and I am running dual screens(23inch and 15 inch). I have a wacom intuos 2 9x12 that will will not map correctly to my second monitor which is also 9x12(1400x1050). The reason ...
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21
votes
7
answers
60k
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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 ...
- 10.4k
21
votes
1
answer
33k
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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 ...
- 313
20
votes
4
answers
30k
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Software that reduces blue light from monitor [duplicate]
I recently had an eye appointment, and the optometry student who saw me told me that, for my next pair of glasses, I should get lenses with "blue blocker" material. There is some (scant) evidence ...
- 443
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 ...
- 3,919
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 ...
- 303
20
votes
2
answers
24k
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Display on HDMI doesn't wake up
I just got myself a beautiful 27" WQHD display. It is connected to HDMI (no VideoPort) and works great showing 2560x1440 @ 60 Hz.
There is a problem however. When it goes to sleep/I turn the monitor ...
- 636
19
votes
4
answers
33k
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Automatically kill a process if it exceeds a given amount of RAM
I work on large-scale datasets. When testing new software, a script will sometimes sneak up on me, quickly grab all available RAM, and render my desktop unusable. I'd like a way to set a RAM limit ...
- 401
19
votes
3
answers
33k
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Could not apply the stored configuration for the monitor
I'm using Nvidia 7300 gt and monitor-Acer V173w, on 64 bit Ubuntu 10.04.
Compiz and Emerald went well, but at the time of entry into the GUI, I always receive the message :
"Could not apply the stored ...
- 355
19
votes
2
answers
41k
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How to disable laptop's LCD and use external monitor as only output?
My laptop's LCD broke and I removed it. Now I permanently added a monitor via HDMI. How can I set up Ubuntu 12.10 to only use and show the external monitor and disable the LCD?
Right now, I cannot ...
- 3,079
19
votes
2
answers
50k
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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.
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19
votes
3
answers
2k
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Stop an insolent narwhal from "correcting" monitor brightness?
I want total absolute control over the brightness of my laptop's screen. I want Natty to fear my wrath should it dare to presume my desire. Natty's light adjusting minions should quake in terror ...
- 30.6k
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 ...
- 10.5k
15
votes
7
answers
44k
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How do I find out monitor make / model?
My friend has recently bought a second-hand vehicle with an in-car computer and it's wired up to a touchscreen monitor on the dashboard (very impressive!).
Now, I've helped him install Ubuntu on it ...
- 251
15
votes
4
answers
2k
views
How can I make PDFs appear life-size when displayed at 100%?
When I open a letter size PDF and then zoom to 100%, the page physically displayed on my monitor is smaller than a real letter size sheet of paper.
How can I make "100%" on the computer screen ...
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15
votes
2
answers
22k
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Could not set the configuration for crtc 64 (15.04)
Sometimes when I attach an second LCD monitor (iiyama ProLite E2407HDSV)
Specs:
Native resolution Full HD 1080p, 1920 x 1080 ( 2.1 megapixel)
Horizontal sync 30-81 KHz
Vertical sync 56-75 Hz
to ...
- 245
14
votes
1
answer
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How to configure two monitors on Ubuntu 16.04?
I'm a front-end developer and I work with a laptop running Ubuntu 16.04. Recently, I bought a Full HD monitor in order to better test my applications.
But the main thing I want to do, I hadn't ...
- 243
14
votes
3
answers
5k
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How do I set the native resolution on an HP Mini 210-1004sa?
FYI: My Netbook model is HP Mini 210-1004sa, which comes with Intel Graphics Media Accelerator 3150, and has a display 10.1" Active Matrix Colour TFT 1024 x 600.
I recently removed Windows 7 Starter ...
13
votes
3
answers
11k
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Dividing my desk into two work areas
What program or system utility can I use to convert my desktop into two work areas using a single monitor?
Some recommendations for an easy to use application?
user641576
13
votes
1
answer
11k
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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 ...
- 466
11
votes
6
answers
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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?
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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'...
- 2,326
11
votes
2
answers
22k
views
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
- 3,102
11
votes
6
answers
50k
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Second monitor recognized but only black screen
I am running 12.04 on a Toshiba Portege laptop. The graphics card is an Intel 945GM/GMS. The 2nd monitor is an Asus (Ancor Communications 22"). When I connect the monitor to the computer the monitor ...
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votes
2
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Dell Display Manager
How can I get my Dell Monitors software i.e. Dell Display Manager in my Ubuntu 18.04.3 LTS for controlling the monitor via software rather than the physical buttons on the screen ?
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votes
1
answer
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Is there HDR monitor support in Ubuntu
More monitors have the HDR (high dynamic range) functionality. Does Ubuntu (Linux) support this, too?
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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 ...
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10
votes
1
answer
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How do I look up the hsync/vsync values for my monitor?
I'm trying to get my computer to use the correct resolution. For that I need to specify the horizontal and vertical sync values in the configuration file (xorg.conf):
Section "Monitor"
Identifier ...
- 10.5k
9
votes
1
answer
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How to create/extract the EDID for/from a Monitor
Is it possible to create or extract the Extended Display Identification Data (EDID) for/from a monitor. I have some issues with my monitor with the VGA and HDMI cables and I would like to test if by ...
- 213k
9
votes
2
answers
55k
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xset: unable to open display
For the longest time after about 5 minutes my screen would blank out. Now the screen will go blank after 5 minutes but then 2 seconds after that it will light up white and keep the laptop backlighting ...
- 91