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Dual Monitor Setup
The first step in getting OpenLP working on your system is to setup your computer properly for dual monitors. This is not very difficult, but the steps do vary depending on operating system.
Most modern computers do have the ability for dual monitors. To be certain check your computer's documentation. A typical desktop computer capable of dual monitors will have two of, or a combination of the two connectors below.
VGA
DVI
A laptop computer setup only varies slightly, generally you will need only one of outputs pictured above since your laptops screen serves as one of the monitors. Sometimes with older laptops a key stroke generally involving the FN key and another key is required to enable the second monitor on laptops.
Some computers also incorporate the use of S-Video or HDMI connections.
A typical OpenLP set up consist of your normal single monitor setup, with your projector setup as the second monitor. With the option of extending your desktop across the second monitor, or your operating system's equivalent.
Microsoft Windows
Dual monitor setup is similar among all the currently supported Windows releases (XP, Vista, Windows 7), but does vary slightly from one release to the next.
Windows 7
Windows 7 has using a projector in mind. Simply connect your projector and press the Windows key and tap P.
The more traditional way is also fairly straight forward. Go to the control panel and click on display. This will open up the Display options. You can also bypass this step by right click on a blank area on your desktop and selecting resolution.
Then click on the Screen Resolution from the left pane.
Then enable your projector and ensure your desktop is extended.
Windows Vista
From the control panel click on personalize, or right click a blank place on the desktop and click personalization.
From the Personalization window click on Display Settings.
Then enable the montior that represents your projector an make sure your you have checked Extend the desktop.
Windows XP
From the control panel select Display, or right click on a blank area of the desktop and select properties. From the properties window click on the settings tab.
Then enable the monitor that represents your projector an make sure your you have checked Extend the desktop.
Linux
Due to the vast varieties of hardware, distributions, desktops, and drivers this is not an exhaustive guide to dual monitor setup on Linux. This guide assumes that you have properly set up any proprietary drivers if needed. You should seek out your distributions documentation if this general guide does not work.
GNOME
This guide is for users of the GNOME desktop who do not use proprietary drivers. From most distros go to System --> Preferences --> Display Settings (Monitors)
Setup your projector with the correct resolution and make sure you do not have mirrored desktop enabled (same image on all monitors).
KDE
This guide is for users of the KDE desktop who do not use proprietary drivers. From most distros click the Kick Off menu and navigate to system settings
Click on the display and monitor icon.
From here you will need to set up your projector with the appropriate resolution, and position. OpenLP works best projecting to the monitor on the right.
Linux Systems Using nVida Drivers
This guide is for users of the proprietary Nvidia driver on Linux Distributions. It is assumed that you have properly setup your drivers according to your distribution's documentation, and you have a working xorg.conf file in place.
If you wish to make the changes permanent in setting up your system for dual monitors it will be necessary to modify your xorg.conf file. It is always a good idea to make a backup of any critical file before making changes:
user@linux:~ $ sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf.old or for those using systems that use the root user instead of sudo, change to root and enter:
root@linux: # cp /etc/X11/xorg.conf /etc/X11/xorg.conf.old The exact location of the xorg.conf file can vary so check your distribution's documentation.
If you want to make your changes permanent run nVidia settings from the terminal:
user@linux:~ $ sudo nvidia-settings or:
root@linux: # nividia-settings If you do not want to write the changes to your xorg.conf file simply run the nVidia Settings program from your desktops menu, usually in an administration or system menu, or from the terminal as a normal user run:
user@linux:~ $ nvidia-settings Once you have opened nVidia Settings, click on X Server Display Confiuration Then select the monitor you are wanting to use as your second monitor and click configure.
After clicking configure, select twinview. Then click ok.
Then click apply and if you are happy with the way things look click to keep your new settings. Don't worry if all goes wrong the settings will return back to the previous settings in 15 seconds without any action. nVidia Settings should take care of selecting your optimum resolution etc, but that can be changed as needed. When you are happy with everything click on Save to X Configuration File
Then click Save and you should be set. You may want to restart X or your machine just to make sure all the settings carry over the next time you log in.