Matrox graphics card – User Guide
11
5
Turn off your computer, remove the other graphics card, then plug your monitor into
your Matrox graphics card.
6
Restart your computer.
6
Cause
The power supply of your computer may not be powerful enough for all the devices on your
computer.
1
Solution
For advanced users –
Remove unnecessary devices from your computer (for example, an
unused network card or an extra CD-ROM drive). For more information, see your system
manual or the documentation for each device.
2
Solution
You may be able to upgrade the power supply of your computer. We recommend a power
supply of 300 Watts or more. For more information, contact your computer vendor.
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 4
) 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
Set each of your monitor RGB input 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.
4
Cause
If display problems occur after the startup screen of your operating system, your software
monitor settings may be incorrect.
Bayonet Nut Connect (BNC)
