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 Forum index » Advanced Topics » Hardware » Video
Extended Monitor Possible?
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Q5sys


Joined: 11 Dec 2008
Posts: 888
PostPosted: Thu 18 Mar 2010, 13:09    Post subject:  
edoc wrote:
So it is merely a matter of loading KDE or GNOME?


Only if the clouds would part and Angels would descend from heaven to serenade me while I work. lol
I had hoped that running KDE or GNOME would have resolved it. However it didnt. I still dont believe its an XORG issue. I'm now leaning to the idea that its a limitation of how Puppy interacts with XORG.

I've posted some Screenshots to show you the effect on my desktop. You can see in the panel that KDE detects both monitors... but it mirrors them, which is why they are stacked. When I go to the thing to extend it... well you can see the dialog. I get the same result whether I use KDE3 or KDE4.
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Thu 18 Mar 2010, 13:31    Post subject:  
Try this.
http://www.murga-linux.com/puppy/viewtopic.php?t=47603

Boot with the VGA connected. It'll only extend the desktop if both resolutions fit in the "max screen" size. I'm still trying to figure out how it computes the max screen size.
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Thu 18 Mar 2010, 13:47    Post subject:  
Ok I figured it out. You need to edit your xorg.conf and specify the virtual screen size like so.

Code:
SubSection "Display"
Viewport   0 0
Depth     24
#....there might be some more entries. Add the following line
Virtual 2880 1050
EndSubSection


Pick a size that both monitors fit in. Then you can use zarfy to configure where you want the monitors to be.
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Q5sys


Joined: 11 Dec 2008
Posts: 888
PostPosted: Thu 18 Mar 2010, 14:19    Post subject:  
jemimah,
I tried it out but it didnt work for me.
Info: Laptop Screen = 1280x768, External 1024x768
Booted with VGA attached, xorgwizard detected monitor @ 1024x768.
Loaded WM, ran zarfy, and still only got mirroring no extension. (however zarfy did detect the different resolutions of my screens just like KDE does)
Then Edited the conf and ran zarfy... still only got mirroring.
I was unable to move the screens around and position them.
Then restarted X with changes to xorg.conf and X refused to load, until I reset it to its original settings.
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL
PostPosted: Thu 18 Mar 2010, 14:39    Post subject:  
You have to move the little red and blue boxes around, it can be tricky to drag them. It does work, I just tested.

Zarfy sort of freaks out if you make the virtual screen size too big or oddly shaped so be sure to maximize its window so you can see it all.

Or you can just use xrandr from the command line to do the same thing.
http://blog.tripmeter.in/2009/04/setting-up-extended-monitor-on-fedora-core-10-xfce/
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Q5sys


Joined: 11 Dec 2008
Posts: 888
PostPosted: Thu 18 Mar 2010, 14:48    Post subject:  
jemimah wrote:
You have to move the little red and blue boxes around, it can be tricky to drag them. It does work, I just tested.

Yea I tried dragging them around on my system... they didnt move at all. I dont have time to test more now, but its possible that something else on my system is the reason its not working.

I've run xandr before and it detects both monitors. I'll fool around with it more when I have the time.
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bones01

Joined: 11 Aug 2008
Posts: 364
Location: Melbourne, Aus
PostPosted: Mon 12 Apr 2010, 17:50    Post subject:  
Thanks for the comments and advice found here. I'll give them a try today and see how things go.

I'm using xvesa, so not real confident of success. No harm in trying though.
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