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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0answers
125 views

Monitor goes to Power Saving Mode with Ubuntu 13.04

Hello I'm new to ubuntu and i've just installed 13.04 on a partition to dual boot with windows 7. I have a LG FLATRON 19' LCD monitor and several minutes after I have logged in the monitor goes into ...
1
vote
1answer
2k views

How to make Ubuntu 12.04 desktop session start on boot without a monitor plugged in?

I have a home server that I need to access via remote desktop, and I want to leave the server there without a monitor hooked up to it. Everyday the server turns off and turns back on. There is no ...
3
votes
0answers
566 views

How do I remove black bars on top and bottom of my display?

I have a problem with my ubuntu 12.04 LTS. It shows my Samsung Electric Company 17'' strange. It is not centered. I have a black space up and right. The pictures will explain better my problem. ...
0
votes
1answer
130 views

Letters in native mode seem too small on my monitor

I have a problem. I have a lg monitor flatron w2242s and my graphic card is Nvidia GT 220. Native resolution for my monitor is 1680x1050, but when I use that resolution it feels like "sand" in the ...
2
votes
1answer
400 views

How to force native resolution on secondary monitor?

So, yesterday I installed Ubuntu on my laptop (1920x1200), which I mainly use docked with a second monitor (ViewSonic VA720, VGA, 1280x1024). At first the second monitor wasn't detected at all, so I ...
0
votes
1answer
83 views

How do i view and access my windows 7 laptop from my ubuntu desktop?

The desktop has 2 outputs for monitor display: Can I plug in a vga chord from my laptop to the desktop? and control (the mouse and keyboard) the laptop from my ubuntu desktop? I was thinking of ...
0
votes
3answers
861 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 ...
1
vote
2answers
1k views

why is my second monitor stuck on 4:3 at 1024X768

I have been using a second monitor for a while now, and until I connected it to our TV via the VGA port everything went well. Then, yesterday morning, after I unplugged the VGA cable from the TV and ...
0
votes
1answer
1k views

How to blackout screen or start screensaver with shortcut keys?

I'm often reading a hardcopy paper/book and taking notes on the laptop. I like to save energy (and battery) when the laptop is just waiting for me to read. My laptop unfortunately doesn't have a ...
1
vote
0answers
103 views

Frequency out of range message when using console

Why does an error message appear when I switch to a terminal using Ctrl + Alt + F1: 135k / 91 hz Frequency is out of range And more importantly, how do I fix this?
3
votes
2answers
396 views

How to have launcher on non-primary screen?

I'm running Ubuntu 12.04 LTS on one computer with two monitors. I've found the place in settings where I can set the "launcher placement" and the "primary" monitor (using the black bar); however, I ...
0
votes
2answers
539 views

How to reset external display?

So I was testing my laptop on my external scree and managed to cycle through the modes until I hit the one which displayed only on the external monitor. This just output a green screen and nothing ...
1
vote
1answer
430 views

No GUI when I login to the Enlightment DE (Ubuntu 13.04)

Ubuntu noob here again. I recently installed the desktop environment Enlightenment for Ubuntu 13.04. It was running great until now. I think it may have to do something with the monitor I hooked ...
1
vote
0answers
151 views

After suspend, my monitor wont turn back on

I set my pc to suspend after 5 minutes of inactivity, when I return to my computer I mash a couple of keys and the pc turns back on and the drives start spinning etc etc, but I get no signal to either ...
1
vote
0answers
101 views

Ubuntu blinks in DELL 2850

I have just installed Ubuntu (12.0.4 TLS for Servers) on a DELL poweredge 2850. During the installation, the process goes OK. However, as soon as I start the system normally (and the text font is ...
1
vote
1answer
536 views

Monitor won't go into sleep mode automatically after upgrading to 13.04

After upgrading to 13.04 from Xubuntu 12.10, my monitor no longer goes to sleep automatically. In Power Manager, On AC, Monitor, I have it set to put the display to sleep after 10 minutes off after ...
2
votes
1answer
600 views

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
4answers
1k views

Removing the Black Bar at the Top of the Screen [New Found!]

[New Found!] 1. When I set to others instead of 1440x900 (16:10) or 1280x800 (16:10) revolutions, the black bar must disappear. 2. When I set to 1440x900 revolution, the black bar must exist. ...
1
vote
1answer
195 views

lock screen periodically for some time

For the sake of caring about eyes I would like my screen to be blocked e.g. every hour for 5 minutes (or another intervals). Once I used one programme for doing it, but now I can't recall its ...
0
votes
1answer
411 views

Adding a large asus monitor resolution

I am trying to set up this monitor: http://commercial.asus.com/product/detail/vs247h-p-lcd-monitor I am able to connect the monitor and use it in various screen configurations, but have not yet been ...
3
votes
2answers
10k views

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: ...
0
votes
1answer
195 views

Desktop doesnt' load after installing ATI Driver [duplicate]

I installed ATI Radeon HD 3650 on Ubuntu 12.10, 32-bit using following commands: cd lib/3.5.0-17-generic/kernel/drivers unzip *.zip chmod +x *.run sudo ./*.run but after restarting the system, I ...
1
vote
1answer
802 views

ATI Mobility Radeon HD 4xxx not recognized

I recently installed Ubuntu 12.04 alongside Win7 on my HP Pavillion dv6-2020eg. Ubuntu does not recognize my ATI Mobility Radeon HD 4xxx graphics card. It just says "unknown" in the information box ...
1
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0answers
40 views

Start screensaver on still pictures

I have an Ubuntu box connected to a plasma TV. Still images reduce the lifetime of plasma TVs and may cause pixel-burn. I am looking for a technique to start the screensaver if the picture on the ...
0
votes
1answer
361 views

Can't extend desktop to second monitor

I have a Vostro 200, Intel Pentium D (E2160) processor and Intel G31/G33 video adapter. The video adapter is integrated and I'm using a VGA splitter to connect to monitors. The monitors are Samsung ...
2
votes
0answers
348 views

Ubuntu Server changing Monitor from DVI to VGA

i have a little problem with my Ubuntu Server 12.04. I installed it yesterday with a DVI monitor connected. With the DVI Monitor, everything works fine. But when I try to connect it with an other ...
1
vote
1answer
2k views

Nvidia-settings won't detect second monitor

I appreciate there are a lot of similar questions to this already but I can't seem to fix it following any current threads. I have installed 64bit Ubuntu 13.04 and installed the Nvidia drivers as per ...
0
votes
1answer
577 views

desktop screen color has changed

Using Ubuntu 12.04 LTS (Linux) on an ASUS x44h series laptop. The color on my monitor has suddenly changed. It is now light green. The desktop wallpaper is very dark green. See attached screen shots. ...
0
votes
1answer
81 views

Secondary Monitor Goes off upon logging in

I am using dell xps 14z laptop with Ubuntu 12.04, when booting up it detects the secondary monitor [Viewsonic] but upon entering the username/password , the secondary monitor goes blank . when I open ...
0
votes
1answer
275 views

Power off the monitor on install Ubuntu 13.04

When i try to install Ubuntu 13.04 , I have problem to display . In first i see the page same as blank after about 5 sec monitor power off and get to standby mode but the dvd-rom is worked hard and ...
1
vote
1answer
148 views

Connect monitor to headless server

I've inherited a server running on Ubuntu which has a keyboard connected, but no monitor. Now there's been a network problem and I'm currently unable to connect via ssh (not even ping works). Still, ...
0
votes
1answer
263 views

Monitor not recognized in Ubuntu 13.04 - gateway NV59c

Recently upgraded to 13.04 and ubuntu isn't recognizing laptop monitor. I could connect using external monitor and tried the "mirror" options. It shows the monitor, but could not make the laptop as ...
0
votes
1answer
306 views

LCD monitor 2033 out of rang in ubuntu 13.04

i have a problem in ubuntu 13.04 when i want install or login . i installed ubuntu with a crt monitor but when to login with lcd monitor , i dont have screen ( out of rang ) my monitor is samsung lcd ...
0
votes
1answer
342 views

Desktop PC, Two video cards, two monitors, still having problems

First of all, please keep in mind, that I'm a Linux user for a hour or two. This is my first day of migration from Windows. SO HELLO! :) So, here's my issue. I have two graphics cards on my desktop ...
1
vote
0answers
227 views

Multiple monitor setup - randomly one monitor is detected as removed and added again

I have a 3 monitor setup, all 3 same viewsonic model, new (less than a year). Randomly, monitor 1 will be detected as removed and added again (from syslog): May 6 21:47:33 athena colord: device ...
0
votes
1answer
35 views

Game playing on both screens

I have dual monitors setup on 13.04 with an ATI card using the propitiatory driver. In install Steam then Amnesia and started the game up. The displays are mirroring instead of the game just playing ...
-1
votes
1answer
285 views

Ubuntu can't read drivers or freezes such as external keyboard, monitor and mouse

Ubuntu can't read drivers such as external keyboard, monitor and mouse. After I forced shutdown Ubuntu, because of the add-on(from FF) I have to shut it down it hanged my PC. Also the Wireless ...
1
vote
0answers
255 views

No display detected after installing bumblebee on Dell XPS 15z

So I've been having quite a bit of issues with Ubuntu on this laptop. When I tried to install 12.04 a while ago I never even got the external monitor to work at all and gave up for a few months. So ...
1
vote
0answers
128 views

Why is HDMI taking so long?

I have Ubuntu 13.04 with some integrated Intel graphics chip, and a monitor with DVI and HDMI. When I use the DVI output, everything is OK, but if use HDMI it takes ages to recognise it, and I have to ...
2
votes
1answer
784 views

Displayport out for 2560x1440 screen on MacBook Air (mid 2012)

I've got a MacBook Air (mid 2012) and I want to install Ubuntu 12.04 on it and I'd like to use it with a 2560x1440 Samsung 27" LED SyncMaster S27A850T screen with a mini displayport to displayport ...
1
vote
1answer
599 views

Screen flickers with Nvidia GPU

When I install the Nvidia driver (have tried both current and post-release current) the monitor flickers every time I open a new window/program such as Firefox. I don't know what else I'm going to do? ...
0
votes
1answer
424 views

12.10 Black screen on boot after unplugging external monitor

Here is my story: 1. I plugged an external VGA monitor to my laptor (Dell Vostro 3550) and configured dual display using System Settings/Displays. Everything worked well 2. I unplugged the external ...
6
votes
2answers
8k views

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 ...
0
votes
1answer
50 views

How to change frequency of old monitor Compaq P75 in 12.04

Unable to modify frequency of Tube Monitor Compaq P75, Monitor should work at 85 Hz (1024*768) bud does only 60 Hz. Graphic: RADEON 7500 ATI RV200.
0
votes
1answer
291 views

Ubuntu doesn't recognise my external monitor

I was trying to plug in an external monitor (Dell U2312HM) in my Dell XPS 15 laptop, but all I see is a black screen (on the external monitor, my normal screen is fine). When I open Settings, it shows ...
2
votes
1answer
1k views

xorg.conf configuration help on Ubuntu 12.04 ppc

I did the Xorg -configure or X -configure and I have a xorg.conf file but with errors, so this is something I found out running ddcprobe: oem: nouveaufb memory: 7088kb edid: edid: 1 3 id: 2292 ...
2
votes
1answer
518 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 ...
1
vote
1answer
1k views

Trying to get 2560x1440 resolution

1I have this motherboard and this monitor. It is supposed I could get 2560x1440 resolution using HDMI 1.4, but i don't know how.. NOTE 1: I have a HDMI cable and a DVI-HDMI adapter, I don't know if ...
1
vote
1answer
815 views

configure modeline Ubuntu 12.04

I am running Ubuntu 12.04.2 in dual boot with Windows 7 on the same drive. In Windows, I customize my refresh rate for my 2nd monitor with the program powerstrip. When I export my Linux modeline and ...
1
vote
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 ...