I fixed it...I learned not all DVI is the same. The 620's use DVI-I...you need to have a DVI-I adapter.
Odin Nøsen <[email protected]> writes: >I have a bunch of Dell Optiplex GX620's that I want to use in my lab. > They have one video output with a DVI-VGA dongle. I am using a DVI to >VGA adapter to connect to my VGA only ACER G185H monitor which has a >native resolution of 1366x768 running at 60 hz > >So...no matter what I try (I've pasted my entry in lts.conf below...and >I've tried varying options within by commenting things out...etc) My >xrandr -q output on the thin-client says that VGA1 is active and for >modes up to 1024x768 (which looks silly on a 16.9 monitor of this size) > It also says DVI1 is disconnected. I'm running Edubuntu 12.04....and >I'd really like to solve this...it's about the only thing I have left. > Any ideas? > > > >I think you are out of luck... :-( > > >We've had the same problem with a lot of Optiplexes with only a >HDMI-output and using a HDMI->VGA-dongle. If we use HDMI X always chooses >the right resolutions from the EDID-information. If we use VGA EDID, for >some reason, always collapses to default 1024x768, 800x600 and 640x480. I >think this is because they save some pennies by not connection all the >pins in the VGA-port. > > >Doing a simple X_MODE_0=1366x768 won't work, because it isn't a mode from >EDID while using the VGA1-port. > > >I've searched the Internett for a solutions, but the only thing that I >find is making a xorg.conf-file with some kind of default setup with the >right monitor modes. You can use a xconf.conf generated when you use the >DVI-connection as a start. > > > > >Odin > > > > > > [00:12:3f:c0:a8:81] > HOSTNAME = L11 > XRANDR_DISABLE=True > XRANDR_OUTPUT_0 = "VGA1" > XRANDR_OUTPUT_1 = "DVI1 --off" > X_MODE_0=1366x768 > XRANDR_RATE_0 = 60 > >David Trask >Technology Director/Teacher >Vassalboro Community School >[ mailto:[email protected] ][email protected] >[ tel:%28207%29%20923-4305 ](207) 923-4305 > > >-- >edubuntu-users mailing list >[ mailto:[email protected] ][email protected] >Modify settings or unsubscribe at: [ >https://lists.ubuntu.com/mailman/listinfo/edubuntu-users >]https://lists.ubuntu.com/mailman/listinfo/edubuntu-users > > > David Trask Technology Director/Teacher Vassalboro Community School [email protected] (207) 923-4305
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