From 2f73bc1dd7c584ad13126296bfc03716e3905a75 Mon Sep 17 00:00:00 2001 From: Wesley Stout Date: Sat, 26 Mar 2011 00:11:45 -0500 Subject: [PATCH 1/2] changes to dual monitor --- documentation/manual/source/dualmonitors.rst | 43 ++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/documentation/manual/source/dualmonitors.rst b/documentation/manual/source/dualmonitors.rst index 5c29e8650..eb9beedeb 100644 --- a/documentation/manual/source/dualmonitors.rst +++ b/documentation/manual/source/dualmonitors.rst @@ -180,3 +180,46 @@ on :guilabel:`Save to X Configuration File`. Click :guilabel:`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. + +Linux Systems With Intel Video +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Generally systems with Intel video cards work very well. They are well supported +by open source drivers. There are, however, a couple of issues that may require +some work arounds. + +**Resolution Issue** + +There is a limitation with certain cards that limits the total resolution to +2048x2048, so both monitors can not have a total resolution totaling more than +that. To work around this it may be necessary to position your monitor as a top +or bottom monitor as opposed to the typical side by side setup. This can easily +be accomplished through your desktop's control of monitors. Please see the +sections on dual monitors with KDE and GNOME above. + +**Primary Monitor Issues** + +With certain cards your system may get confused on what is the primary display. +For example many users will be using a laptop. You will want your laptop screen +to be the primary screen, and your projector to be the secondary monitor. +Certain Intel cards reverse this. To work around this you will need to know the +name of your monitor. If you are a KDE user this info is given to you in the +display settings. If you are not using KDE enter the following in a terminal +without your projector connected to your computer:: + + user@linux:~ $ xrandr -q + +This will give you a long string of output. Screen names will be something along +the lines of LVDM, VGA-0 or some convention similar to that. Without your +projector connected to your computer only one monitor show as being connected. +That will be the monitor you will need as the primary. Now connect your +projector and enter:: + + user@linux:~ $ xrandr --output LVDM --primary + +**Note** it has been reported that when this issue is occurring you will not +want to connect your projector until your desktop is running. + + + + From 07817bf4523aebe818ee9c7d4025c5acdea5e21b Mon Sep 17 00:00:00 2001 From: Wesley Stout Date: Sat, 26 Mar 2011 07:12:00 -0500 Subject: [PATCH 2/2] corrections to dual monitor --- documentation/manual/source/dualmonitors.rst | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/documentation/manual/source/dualmonitors.rst b/documentation/manual/source/dualmonitors.rst index eb9beedeb..3e1a8d210 100644 --- a/documentation/manual/source/dualmonitors.rst +++ b/documentation/manual/source/dualmonitors.rst @@ -190,7 +190,7 @@ some work arounds. **Resolution Issue** -There is a limitation with certain cards that limits the total resolution to +There is a limitation with certain cards which limits the total resolution to 2048x2048, so both monitors can not have a total resolution totaling more than that. To work around this it may be necessary to position your monitor as a top or bottom monitor as opposed to the typical side by side setup. This can easily @@ -211,15 +211,11 @@ without your projector connected to your computer:: This will give you a long string of output. Screen names will be something along the lines of LVDM, VGA-0 or some convention similar to that. Without your -projector connected to your computer only one monitor show as being connected. -That will be the monitor you will need as the primary. Now connect your -projector and enter:: +projector connected to your computer only one monitor will show as being +connected. That will be the monitor you will need to use as the primary. Now +connect your projector and enter:: user@linux:~ $ xrandr --output LVDM --primary **Note** it has been reported that when this issue is occurring you will not want to connect your projector until your desktop is running. - - - -