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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1
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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
98 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
523 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
580 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
183 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
393 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
9k 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
189 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
770 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
vote
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
351 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
329 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
543 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
273 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
146 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
260 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
299 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
334 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
219 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
277 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
250 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
125 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
751 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
563 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
407 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 ...
5
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
49 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
263 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
504 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 ...
0
votes
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
748 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 ...
0
votes
1answer
637 views

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 ...
2
votes
1answer
2k views

Ubuntu 12.04 dual monitor “unknown monitor” problem

I have a problem with my monitors, one of them is detected as samsung electric company 19", and another is unknown and I cant set resolution for it higher then 1024x768.
0
votes
1answer
361 views

I set xgamma at startup in 12.10, but it resets

I have a startup command to set my gamma in xgamma; whenever I log in, it flickers briefly to what I have it set to, then goes back to 1. Why? Is there a better way to adjust gamma defaults in 12.10?
3
votes
3answers
2k views

How to control the screen rotation in ubuntu 12.10 via an icon on the panel?

Is there is a program that displays an icon in the panel, to control the rotation of the monitor?
2
votes
1answer
186 views

What is skew value in Mongo DB Database replication?

I have just started the three MongoDB replica servers. I do not understand what is this screw value what it should be on which server? Which values should I monitor I have taken 2 screenshots ...
1
vote
0answers
124 views

Media keys disable external monitor

Recently on my Dell XPS M1330 with Ubuntu 12.10, after some updates (I could not figure out which one caused the problem), if I press the media keys on the keyboard or the remote control, they turn ...
1
vote
0answers
401 views

dual monitor setup with extended desktop

I am trying to setup a dual monitor settings in ubuntu which will extend the desktop over two monitors. That means single panel, single launcher over two monitors. Actually I was going to setup two ...
2
votes
1answer
313 views

Can't connect second monitor with HP Pavilion g6 over Ubuntu 12.04

I am using HP Pavilion g6 notebook computer with Ubuntu 12.04. I am unable to connect second monitor via HDMI or VGA. I am trying this for few days now and fed up by now. I am using Intel graphic ...
3
votes
1answer
246 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. ...
1
vote
0answers
26 views

System running in low graphic mode (Ubuntu without monitor) [duplicate]

I have Ubuntu desktop 12.10. I want to have a desktop server but it can't start without a monitor. I tried Ubuntu server but I got the same error. Everything is working fine while monitor is ...
1
vote
1answer
301 views

Run ubuntu without monitor in 12.10 [duplicate]

HOW CAN I RUN MY UBUNTU 12.10 WITHOUT MONITOR ???? im trying to solve this problem 7 hours please help mee. xorg.conf cant help me. please tell me another solution. i will try everything.. thanks
2
votes
1answer
2k views

How can I save my laptops battery from draining? [duplicate]

I am using ubuntu 12.04 (switched from windows 8 recently) and I am finding that this OS is draining my laptops battery like anything (works only like 70% of windows). I also found this interesting ...
1
vote
1answer
651 views

Run without monitor in 12.10

Yes I know this question is out there but none of the answers work for me like the ones found here and here. I have Ubuntu version 12.10 32bit. It's a fresh install. Only software installed is ...