User guide

26 Matrox Marvel – User Guide
3 Make sure Matrox System Utilities are installed on your computer. (These can be
installed from your Matrox CD-ROM.)
4 Restart your computer in DOS mode, then type:
cd c:\matrox\util [Enter]
upbiosdos [Enter]
5 Turn off your computer, remove the other graphics card, then plug your monitor into
your Matrox graphics card.
6 Restart your computer.
Problem Wrong color balance, screen image off-center, or no picture at all
1
Cause Your monitor’s video controls may be improperly set.
1
Solution Adjust your monitor’s 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 the monitor’s power cable is firmly in place.
2
Solution Make sure the 15-pin connector to your Matrox graphics card is
firmly in place.
3
Solution Make sure the connection to the back of the monitor is firmly in place. This could be a 15-pin
or BNC connection.
If your monitor uses BNC input, make
sure the Red (
R ), Green ( G ), Blue ( B ),
Horizontal Sync (
HSYNC – white or gray
wire), and Vertical Sync (
VSYNC – black
wire) connections are firmly in place and
plugged into the correct input.
Note: Make sure your computer uses the other graphics card to control your primary
display. Your
primary display is the one that first displays information when your
computer restarts. For more information, see “Using multiple displays…”, page 29,
solutions 2 and 3.
15-pin connector
Bayonet Nut Connect (BNC)