Gordon Welling
Admin Group
Manager Technnical Support Services
Joined: 11-December-2003
Location: Canada
Posts: 550
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| Posted: 01-December-2006 at 10:16am
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Problem: Customer installed SLED onto system using two nVidia dual-head VGA/DVI cards but only attached one monitor to the VGA port of each dual-head card. System had stability problems and would not display to connected monitors once Desktop Multiplier was installed.
Cause: Some nVidia dual-head cards require monitors to be attached to both heads at boot time to properly configure the X config file(s). In essence, the nVidia driver will report no attached monitor to Desktop Multiplier, even if a second monitor is attached after the system boots.
Resolution: Shut down the computer system, attach a monitor to every head (and remove nVidia dual-dead cards that will not be used) and reboot the computer. The nVidia driver will discover active monitors attached and modify the X config file(s) appropriately. Desktop Multiplier should then become visible on all displays, after which the users can select the applicable "F" key to assign the monitor/keyboard/mouse to the desktop session. If Desktop Multiplier does not work correctly, refer to "After installation, one or more monitors display a black screen" for additional troubleshooting steps.
Edited by Gordon Welling on 01-December-2006 at 10:19am
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Omni Web Forum : Linux Desktop Multiplier : Linux Desktop Multiplier for SLED and openSUSE
Topic: FIX: No output from 2nd nVidia card head
