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.

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4
votes
0answers
415 views

Monitor will not be detected, stuck at 640x480 [duplicate]

Possible Duplicate: Getting screen resolution correct with nvidia drivers I'm completely new to Linux but know the basics of command entry. Here's what I've tried: First off, I installed my ...
3
votes
0answers
415 views

Monitor turning off randomly Ubuntu 13.10

I have a fresh installation of Ubuntu 13.10 with the latest updates on my PC. I am having a issue where the monitor seems to randomly disconnect. I cannot pinpoint what is causing this issue. It can ...
2
votes
1answer
396 views

Ubuntu 11.04 Laptop Screen not working

Just installed Ubuntu 11.04 and my Laptop screen has stopped working, although an external monitor still works fine. It won't even display the bios. It stopped working during a debian upgrade (...
2
votes
1answer
364 views

Screens don't work after shutting off

When my screens shut off after the configured amount of time, they don't turn back on again. I have to restart my computer because wiggling my mouse, etc doesn't turn the monitor signals back on. ...
2
votes
2answers
17k views

Monitor not detected - low resolution only

I just installed Ubuntu 11.1 on my desktop pc. It was a clean install, no upgrading. I have a Samsung Syncmaster BX2450 connected to the PC. My problem is that I cannot make Ubuntu recognize my ...
2
votes
2answers
782 views

Automatically change resolution when not in dock

I have Ubuntu 11.04 (yep, I know it's old news) on my Lenovo W520. At home, I have a dock with dual monitors. I have a pretty decent setup - things work almost perfectly (hence the reason I'm ...
2
votes
1answer
2k views

Dual monitors with two Nvidia GPU's

I have two gtx 275s SLI'd, When I connect both monitors to same card it allows me to enable twinview, and it works. But when I want to connect each monitor to different cards, I lose the option of ...
2
votes
0answers
744 views

Dual display not working after 16.04 upgrade

I recently upgraded from 15.10 to 16.04 via dist-upgrade. Immediately afterwards, my second monitor stopped working. I am using an AMD 7850 APU, and both monitors are plugged in to the motherboard - ...
2
votes
1answer
2k views

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 > /...
1
vote
2answers
2k views

Dell E2009W monitor not detected

I have an issue with my monitor. I just installed Ubuntu 11.10, but the monitor that is plugged in doesn't appear anywhere. And by doesn't appear, I mean that in the "Displays" menu, it doesn't even ...
1
vote
0answers
2k views

Savage S3 and Lubuntu (or any flavour) 12.10 big issue

Please be nice with me: I spent all the night with it and I'm exausted. I've got an old Acer Aspire1300 15"(512+256RAM and 1.3 mhz cpu). I tried all night installing Lubuntu, XUbuntu.. lspci -k ...
1
vote
1answer
143 views

Desktop monitor brightness adjusting

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)? ...
1
vote
2answers
2k views

How can I power-off the LCD on my Thinkpad?

I'm using ubuntu 12.04. When I use Fn+F3 on Windows the LCD turns off correctly. On Ubuntu it just puts the screen in screen saver mode. What should I do to have the same behavior on Ubuntu as on ...
1
vote
1answer
642 views

Monitor Does Not Wake Up

I have Xubuntu 14.04 installed on two PCs, each has its own monitor, different brands. With both PCs, if I turn off the monitor by power switch, turning it on does not work. In other words, when I ...
1
vote
2answers
9k views

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 ...
1
vote
1answer
1k views

Trouble recognising external monitor

I'm a first time Ubuntu user (using Ocelot) and know very little about computers. My laptop screen is broken and I'm trying to connect to an external monitor through a VGA cable but I can't get the ...
1
vote
1answer
4k views

How to set the monitor to its native resolution when xrandr approach isn't working?

I am trying to setup my Samsung syncmaster B2030 monitor in ubuntu 12.04. It's native resolution is 1600x900 which I am not getting in ubuntu and which I am trying to get. I tried using xrandr ...
0
votes
3answers
3k views

Screen resolution problems on Samsung monitor

I have a monitor Samsung 19' which resolution is 1440x900 (16:10 aspect ratio). When I set it in the recently installed Ubuntu 13.04, the bottom of the screen gets cut out Trying to change to another ...
0
votes
2answers
2k views

BandWidth Monitor

New to Ubuntu, I want a application which monitor my Bandwidth usage in GUI for Particular time. Is any application is available for my requirement? For ex: If I need to monitor for a month at a ...
0
votes
0answers
285 views

How do I get other resolution option other than default one in full screen? [duplicate]

I want to get my 1366x768 monitor to have other screen resolution 800x600 or 1240x768 in full screen. What option do I have? Thanks. Here what I did, shaharil@busuk:~$ xrandr Screen 0: ...
0
votes
1answer
303 views

Get Ubuntu to NOT move windows when turning off one of multiple monitors

I have a triple monitor setup and it works very well with 13.10. However, I have some problems with the way Ubuntu moves windows around when turning off a monitor. For instance, when I want to watch ...
0
votes
1answer
431 views

Ubuntu 14.04 — 2 Monitors only acting as 1 monitor

So this is an issue of both my monitors ARE working, but they're being treated as if they're one monitor with a resolution of 3840x1200 * 1 instead of 1920x1200 * 2. I'm looking for the standard setup ...
-2
votes
1answer
5k views

Trying to install Ubuntu 14.04, monitor says mode unsupported/out of range [duplicate]

Monitor says mode unsupported/out of range during installation of ubuntu 14.04 and never boots to the ubuntu desktop.