User guide

Matrox G450 MMS – User Guide 19
2
Cause There may be an unsupported graphics adapter in your computer. (For Matrox multi-display
mode
in Windows NT, all graphics cards in your computer must be Matrox cards supported
by the display driver.)
1
Solution If an unsupported graphics card is plugged into an expansion slot, remove it.
2
Solution If a graphics adapter is built-in to your computer motherboard, your system may not have
automatically disabled it when you inserted your Matrox card. Check your system manual for
instructions on how to disable your computer’s built-in graphics adapter.
3
Cause Your computer BIOS (Basic Input/Output System) may not be up to date. For more
information on your computer BIOS, see your system manual.
1
Solution Reinstall your previous graphics card and, if possible, update your computer BIOS. This can
usually be done with software from the manufacturer of your computer. Contact your system
vendor or manufacturer to get a BIOS update for your computer.
To get the correct BIOS update, you may need to know the serial number your computer
displays when it restarts. (This number is usually in the lower-left corner of the display.)
Problem Wrong color balance, screen image off-center, or no picture at all
1
Cause Your monitor video controls may be improperly set.
1
Solution Adjust your monitor controls (brightness, contrast, and so on). For more information, see
your monitor manual.
2
Cause Your monitor may not be properly connected.
1
Solution Make sure your monitor is properly connected to the correct connector on your Matrox
graphics card (see “Connect your dual-monitor cables”, page 6).
2
Solution Make sure the monitor power cable is firmly in place.
3
Cause If display problems occur after the startup screen of your operating system, your software
monitor settings may be incorrect.
1
Solution Make sure correct software monitor settings are selected.
If your primary display is still usable, see “Monitor setup”, page 9. Otherwise, see the next
troubleshooting item.