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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2answers
2k views

Monitor shuts off after installing Ubuntu 11.10 64-bit

I installed Ubuntu 11.10 64-bit successfully in nomodeset option, but when I boot the installed system the monitor shuts off, so I would like to know how to fix this like I fixed it in the ...
0
votes
1answer
3k views

Ubuntu failed to detect monitor and very low resolution?

I tried different versions of Ubuntu from 11.04 to 11.10 beta, but got same problem. My desktop pc configuration is, - intel core i5 2400 - DH67BL Motherboard - Inbuilt motherboard graphics - No ...
6
votes
1answer
7k views

Getting system to boot in headless mode set-up without display problems

Previously I had Ubuntu 11.04 and I could boot with no monitor attached. Now I have installed Ubuntu 12.10 with autologin and I've found that is incapable of booting correctly if the monitor isn't ...
3
votes
1answer
319 views

Lock screen turn off and on : Goes to a loop asking to enter password to unlock- then turns off again.

I recently updated my laptop from 12.04 to 12.10. And now, whenever I lock screen with "CTRL+ALT+L", the screen locks, and monitor turns off. But within 30 seconds, it turns on and asks for password. ...
3
votes
2answers
8k views

Using AOC USB monitor on Ubuntu

I have recently moved from Windows to Ubuntu 12.10. I have an AOC portable laptop monitor (Model number e1649Fwu). This monitor works solely through USB. It works fine on Windows, but I cannot work ...
3
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0answers
414 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 ...
2
votes
1answer
614 views

External monitor stopped working [closed]

I have an ASUS notebook with ubuntu 12.10. My external monitor was working fine but after unpluging/repluging it, it's now detected as "unknown" in my display settings, and I don't get any signal on ...
2
votes
2answers
689 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
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1answer
1k 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
1answer
391 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
2answers
12k 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
1answer
343 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. ...
1
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0answers
65 views

Automatically detecting and outputing to s-video at startup

After combing the Internet I have developed a script that is capable of checking whether I have a monitor connected to my VGA port and switching to my s-video port if not #!/bin/bash # if no vga then ...
1
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0answers
1k 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
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 ...
1
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2answers
1k 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
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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
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1answer
964 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 ...
0
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0answers
18 views

MacBook Pro 8,2 dual boot with Ubuntu - why is there a 2nd monitor?

After installing 14.10 on a separate partition, Ubuntu is detecting a 2nd display that doesn't exist. I can move my mouse and windows to it just as if I did have another monitor connected. If I ...
0
votes
2answers
3k 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 ...
0
votes
1answer
151 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
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2answers
954 views

Not working Dual monitor on Radeon HD 5450

I use Radeon HD 5450. I need work with Dual monitor. One try (Not Working): The first monitor is in VGA onboard input. The second monitor on VGA Radeon 5450. Second try (Not Working): The first ...