Interesting. And dell originally provided dvi-d cables for the gx620's. What adapters/cables are you buying to fix it? -peter
On Tue, Sep 25, 2012 at 2:13 PM, David Trask <dtr...@vcsvikings.org> wrote: > 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 <o...@gnuskole.no> 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 > dtr...@vcsvikings.org > (207) 923-4305 > > > -- > edubuntu-users mailing list > edubuntu-users@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/edubuntu-users > > > > > > > David Trask > Technology Director/Teacher > Vassalboro Community School > dtr...@vcsvikings.org > (207) 923-4305 > > > -- > edubuntu-users mailing list > edubuntu-users@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/edubuntu-users > -- edubuntu-users mailing list edubuntu-users@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/edubuntu-users
