Matrox ATC – User Guide
11
1
Solution
Change your BIOS settings. For more information on your computer BIOS, see your system
manual.
4
Cause
Your computer BIOS 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 you’re using the correct connectors (
see “Connection setup”, page 6
) and that all
connectors are properly fastened.
2
Solution
Make sure the monitor power cable is firmly in place.
3
Solution
Make sure the connection to the back of the monitor is firmly in place.
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.
3
Cause
If your monitor uses BNC input, one or more connection settings may be incorrect.
1
Solution
If your monitor is connected to the main connector (labeled
A
) of your graphics card, set
your monitor RGB inputs to 50 ohms and your sync switches (if available) to 75 ohms, with
the sync set to “external”. If your monitor is connected to the secondary connector (
B
) of your
graphics card, set your monitor RGB inputs and sync switches (if available) to 75 ohms, with
the sync set to “external”. These controls are usually switches on the back of your monitor.
Bayonet Nut Connect (BNC)
