Ubuntu :: Connecting External Monitor Causes Interior Shadows?
Nov 27, 2010
I'm using a netbook, and I thought I'd connect a monitor I had in the closet and see how things went. I can get a decent multi-desktop setup working, but it comes with an unusual side effect. I don't know if it's of any significance, but these weird shadows appear on all windows, menus and panels. I deativated any Compiz effects I thought might be arcing up, but that didn't seem to do anything.
For what it's worth, I tried this monitor in KDE and it seems to work fine. Netbook Edition promptly soiled itself and went into deep shock with the monitor plugged in, however -- both screens flickering, Docky spasming out of control. But I digress! The netbook is a HP Mini 210 and I believe this monitor is a Mitsubishi Diamond View DV173.
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Sep 13, 2010
i know this sounds stupid but on my xubuntu i cant connect my laptop to a monitor it connects on bootup so i can see the startup but i cant change after. ive tried a lot of things and i googled it and searched but no answer i have xubuntu 8.04
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Dec 31, 2010
Just installed Ubuntu 10.04 LTS netbook edition and everything goes well except for one thing.
When I connect my lcd monitor to the vga port the system lags. If I listen to music and browse web pages at the same time, the sound skip and when the page stop loading, music is ok. Also, the mouse skip. If I do circle with it on the desktop without doing anything else, it will skip.
The strange thing if I remove the external monitor and reboot the system everything comes back to normal.
I had Intrepid Ibex for 2 years without any problems. I remember a post saying that powernowd should be disable, but can't find the process from the startup list anymore.
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Aug 7, 2011
I am having problems getting my external monitor to work. When I plug in the monitor, both the laptop screen and the external monitor go black. When I unplug the monitor, the laptop screen works again.
When I startup with the external monitor plugged in, neither screen works or teh computer hangs or something.
I have had the external monitor going on a couple of occasions. I did manage to configure my monitors through System Settings > Display. I turned off the laptop monitor as I just want to use the external. But after rebooting, things didn't work.
I have a Thinkpad E420, Fedora 15
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Aug 11, 2011
I have an external monitor connected to my laptop (extended display). I always drag the Totem player from the laptop screen to external monitor to watch video files. I wonder, if the Totem player can be set to open in the external monitor automatically, everytime I open it?
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Aug 17, 2011
My software and hardware information are as follows. I have Fedora 12 and KDE 4.4.5 installed on a Dell Vostro 1500 laptop. I believe it's a 64 bit processor; it's an Intel Core 2 Duo CPU. The external monitor is a Dell as well.
My problem is that my system does not seem to be detecting an external monitor that I have connected. Everything else is working just fine; however, I would like to have the option of attaching an external monitor. When I plug the external monitor into the laptop, the external monitor remains black and appears to be in power save mode. The results of xrandr -q (with or without the external monitor attached: it doesn't appear to change) are as follows.
Code:
How can I get my laptop to recognize that the external monitor is even connected? Let me know if I can be more specific or provide additional details.
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Sep 22, 2010
I recently installed Debian, using the amd64 Network Install .iso. I'm using XFCE4 as my desktop environment, and everything is working well... on my laptop's screen.
My desired setup is to have my laptop sitting on a well-ventilated shelf, closed, and to have an external monitor be my main monitor. I want this because I'm using my laptop as my "home" computer, so it never moves, and I don't like the keyboard/trackpad. My laptop has a VGA output, and I can get my desired setup on my Windows partition (not stating a preference ; just that the hardware CAN do what I want it to).
I've been working my way around the Internet for a few days, now, and I've got the commercial NVIDIA driver installed. If I run sudo nvidia-config --twinview I can get my external monitor to be part of the display, which is great, but it's part of a dual-screen monitor setup, which is not what I want at all, because (a) XFCE's multiple virtual desktops are good enough for me and (b) my graphics card is integrated, and I'm trying to squeeze every drop of performance out of my laptop that I can (1 gig of RAM; the less that my graphics card eats into it, the better). Plus, it'd be annoying to accidentally drop something on my laptop's screen, and then have to dig it out of the shelf in order to undo it. I'm not saying that I'm consistently clumsy, but I'd eventually end up doing it.
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Jun 24, 2011
Is there any way, how to make connecting monitor to my laptop as easy as it is e.g. in Windows? Just plug-n-play? I've just installed last version of Ubuntu and then connect monitor. After connecting monitor nothing happened (my laptop LCD doesn't get blinked and it doesn't try to use the monitor as a second one). So I went to Monitors configuration, where I saw "Mirror screens". I've unchecked "Same image in all monitors" and applied, also nothing happened. The monitor is still just black. Is there any application which would make this stuff easier for me? I have HP ProBook 5320m with some Intel HD graphic card inside and 21.5" LG W2240T-PN monitor.
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Jan 26, 2011
I have had an external monitor connected to my Sony Vaio VGN-TZ398U and working properly for months. This morning I connected it and the fonts throughout my desktop distorted (see attached screeshot). I am running 11.04 desktop 64-bit
Below is my output from lspci.
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
[Code].....
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Feb 4, 2011
I installed Ubuntu on MSI laptop. Works great. I am trying to connect the laptop to external screen through the VGA output. When the laptop's lid is open - it works just fine When the laptop's lid is closed - the VGA output content is gone. i didn't find tin the monitors' menu nor in the power menu, an entry where I can ask or set the VGA output to be active all the time.
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Jan 2, 2010
I have tried to connect my GMA500 based Acer 751 to an external dsiplay via VGA connection. I couldn't get the right resolution on the external screen (1920/1080) so I disconnected it and rebooted. Now there is only an "unknown" screen in the display menu. I have rewritten the xorg conf file per instructions for enabling GMA500 but to no avail - conf file looks right but screen is "unknown", low resolution and 4:3 aspect ratio, instead of 16:9. How to restore to laptop monitor - I think I can take from there to enable the right resolution.
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Aug 20, 2010
Using a fresh Ubuntu server install, i setup UFW :
[Code]..
When connecting from external box to this server on port 25, the connection is properly blocked by UFW but i can't find any UFW log (/var/log/kern.log, /var/log/messages, /var/log/ufw.log ...). I'm using default rsyslog.
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Aug 30, 2010
I have a few computers all connected to the same router both wireless and wired. All at the moment are running Ubuntu. There is no problem sharing any of these computer's local drives through the network. However I have one desktop with an external USB Hard disc plugged into it. I would like to share this external hard disc on the network. I set it up to share but when I try and access it from one of the other computers on the network, although it shows up, I get the message "Unable to mount location. Failed to mount windows share".
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Aug 17, 2010
I am running the latest Ubuntu on a partition with windows 7 as my main OS. I got my wireless drivers installed and it seems to pick up on all the wireless networks, whenever i try to connect to mine it tires and then fails and asks for the password again, even though its definatly the right password for my wireless.
I am also having trouble connecting to my external hard drive, i am completely new with Linux and would appreshiate -retard proof- tutorials if you need me to run anything, and such. Its fully updated and drivers are up to date (apparently) so i cant understand what is wrong.
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Jul 31, 2010
directory and how to mount and all necessary commands.
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Jun 3, 2010
im having problems connecting mybook 2 with my laptop. Everything was ok and running perfectly and there was no changes in my laptop or upgrades and it stop working. I was not able to see the computers in my network then I fixed it I can see them but when I try to browse the files the OS tells me that is unable to mount location and failed to retrieve share list from server. The funny part is that if I go to Places>Connect to server and type my mybook ip address, my laptop can connect and I can browse the files. I really dont know what is the problem. My firewall is down so I dont think that is the problem. If anyone can help me with these because I know im able to connect to my mybook but i am unable to connect to any other laptop or my WD-Tv live.
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Nov 2, 2010
Is it better to use a Usb to Serial Adapter Cable or a PCI Serial Port Card when attaching a serial port modem to a computer that doesn't provide onboard serial ports?I am leaning toward the USB to Serial Cable but do they work as well as a Serial Port Card? I have a US Robotics business class external serial modem that that I'd like to keep using for dialup internet connections.Here are the devices I am thinking of using:
USB To Serial Cable: KINAMAX CB-RS232 (Prolific Chipset)
PCI Adapter Card: SYBA SD-PCI 15024 --single port chipset=SB16C1052PC1
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Nov 17, 2009
I`ve got a network (192.168.1.0/24)with common internet gateway (gw 192.168.1.253).Everything works good and i have access to i-net through 192.168.1.253 from all loacl machines. Then I tried to make and internal server as a firewall for local subnetwork. It is CentOS 5.3 based.
Code:
[root@router etc]# uname -a
Linux router 2.6.9-89.0.16.EL #1 Tue Nov 3 17:15:02 EST 2009 i686 i686 i386 GNU/Linux
[code]...
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Jan 23, 2010
i have my pc connected to my 24 inch lcd monitor via DVI and my laptop via VGA. i noticed ubuntu is slightly more blurry than the pc. would the difference likely stem from the manner of connection or faulty drivers on ubuntu's behalf?
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Apr 19, 2015
I have a laptop and an external monitor connected via displayport. I can configure both displays via settings with correct resolution and arrangement. However, this configuration is not sticking, and every time I shut down the laptop or close the lid I will need to fight with black screens and more to bring the same configuration again. Basically, it seems that the monitor is "stealing" the primary role to the laptop's native screen (I have it configured as secondary, but also being primary the configuration gets messed).
After many trial & errors, this is the routine I have found to make things work every time I boot / awake the system:
1. Boot. Laptop's display shows the booting sequence.
2. When the login screen should appear, laptop's display goes black, monitor shows background.
3. If I press F9 to increase brightness, the brightness icon appears in the monitor, but it is stuck at the minimum.
4. The only way to leave this point is by pressing F7 (project screen) and then F9 again to increase brightness. Then the laptop's screen does light up.
This is when I'm lucky. Sometimes the configuration goes mad and I get mirrored displays and different resolutions, without touching the settings myself. Also, if I unplug the displayport I run the risk of getting stuck with a black screen in the laptop, without any way of recovering the GUI other than rebooting (Ctrl Alt F2 will still show the command line screen).
My system is Debian 8 testing up to date, running in a Lenovo T430 with Intel components. I'm not sure the monitor is relevant here, but in any case it is an Eizo CS240.
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Aug 31, 2010
I have a weird shadow behind my fonts. I don't know how to get rid of it. Its almost hard to see the shadow, but it makes things difficult to read.
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Jan 13, 2010
My experience with external monitors in Linux is harrying at best. It's getting better, but it still ain't perfect. My current experience (I have an nVidia card, with nVidia drivers, on a Vostro laptop):
Turn on computer (booting Karmic).
Connect external monitor
Click on System->Preferences->Display
Redirect to nVidia's tool
Perform at least 8 more clicks to enable secondary monitor.
Realize resolution isn't optimal and set it with another few clicks.
Click Apply
Accept changes
Quit, then really quit, the app.
I always have to set the resolution, it doesn't detect it automatically. The main screen is *always* on the external monitor no matter my settings. I'm screwed if I unplug the monitor but forget to go through steps 1-8, this time disabling the external monitor. I have to replug it in, then turn it off, then I can unplug it. If I unplug the external monitor and plug in another one (going through steps 1-8 twice more) with different resolution capabilities (e.g. a projector), the settings get all messed up again.
Why can't adding an external monitor be automatic? It nearly is on OS X for instance. I plug it in, and it automatically detects the monitor and makes it a secondary monitor, or mirrors them, or turns it on and turns off the laptop screen. All the while being consistent about it. When I unplug the monitor, it knows instantly that I've done that, and reconfigures the laptop screen once again.
I imagine the answer is because no one has stepped up to do it yet, or it's in progress. So my question: what *is* the state of external monitor codes in Linux, and are there any plans to implement them in Lucid? Further, what would be a project, with *user friendly* context, to which I could tune in?
Or, am I not aware of the "right way" to do it?
I define user friendly as roughly the level of kernelnewbies.org . That is, kn.org is my gauge of what I can understand.
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Apr 30, 2010
I am using a Asus UL30A laptop computer. I just performed an upgrade from 9.10 to 10.04. I remember running into this problem before, but I forgot how to fix it. The problem is, when I plug my laptop into the external monitor with my laptop screen turned off automatically when I first log in, I do not see the mouse cursor on the external monitor! The mouse cursor is still here, although invisible - if I do a right-click, the property menu will come up. My current workaround is simple- if I switch to the next workspace (by pressing Ctrl-Alt-right arrow), the cursor will appear from then on.
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May 10, 2010
I run Ubuntu on a MacBook Pro with an external monitor connected. But currently the external monitor only works with one user account. The External gets no signal and the laptop display is used on the login page. Is there any way of having the login page and possibly startup displayed on the external at all times for all accounts.
System > preferences > Display Doesn't work for me, I use NVIDIA X Server Settings
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Jul 26, 2010
I have a Hp dv5000 Laptop (not that it matters) with ATI 200M graphics chip and Ubuntu 10.04 LTS. Compiz works perfectly on my laptop screen. But when using my 23" Monitor it just doesn't. If I try enabling desktop effects it tells me it can't. Through terminal ( runnning 'compiz')I get the following error:
compiz (core) - Fatal: Root visual is not a GL visual
compiz (core) - Error: Failed to manage screen: 0
compiz (core) - Fatal: No manageable screens found on display :0.0
Launching fallback window manager
My /etc/X11/xorg.conf looks like this:
Section "Screen"
Identifier"Configured Screen Device"
Device"Configured Video Device"
SubSection "Display"
[code]....
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Sep 22, 2010
I have an external monitor at work, but not at home. I take my laptop home and when I come back the settings are off. My monitor is above my laptop, so I have to rearrage displays and save every time its plugged in. Isn't there a system file or something somewhere that I can write to and save the current state as the default?
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Jun 16, 2011
I just install Ubuntu OS 11.04 recently to my HP Mini 110 netbook. When I try to display on my external 20inch samsung monitor. I get the black borders as shown on the pic. Resolution of 1024 x 768 or higher will cause the problem whereas lower resolution will not have that black border.
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Jun 24, 2011
I just upgraded my Ubuntu V10.4 LTS to Ubuntu 11. After that, I lost my external monitor and I cannot find those usual "preferences", "Administration" navigational menus on top of the screen.
Stumbled into Multiple Monitors under System, but it didn't detect the second monitor. However, the 2nd monitor was active and with system startup messages displayed there during reboot. But as soon as the desktop appear, that 2nd monitor lost its signal.
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May 11, 2010
I'm running Ubuntu 10.04 LTS on a Macbook 3,1 late 2007. I have an HP paviilon f1703 external monitor that I would like to use as the main screen to load the full resolution GUI without using the laptop monitor at all. I've done several Google searches and tried several remedies, and I'm either doing them totally wrong (which is very very possible because I'm such a newb), their out of date, or their just not working for me.
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Apr 10, 2011
I am trying to get rid of shadows on all my text that has appeared today. This happens using Firefox,Chrome and Opera browsers. Usually I Google any problems and a solution normally pops up via Ubuntu Forums but no luck this time.
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