
Matrox MED Series – User Guide 21
2
Cause
Your monitor may not be properly connected.
1
Solution
Make sure you’re using the correct connectors (see “Connection setup”, page 8) 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
Make sure the input signal supported by your monitor is compatible with the output signal
of your Matrox card. For most devices, the signals are configured to use 75 ohms. For some
devices (for example, some analog grayscale monitors or some Matrox MED5mp cards), the
signals are configured to use 50 ohms. For more information, see your product
specifications.
4
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 13. Otherwise, see the next
troubleshooting item.
2
Solution
Windows 2000/XP
– Make sure you’re not using inappropriate monitor setting
customizations:
1
Double-click the PowerDesk icon ( ) on your Windows taskbar to access the
PowerDesk main interface. To see the PowerDesk icon in Windows XP, you may need to
click the
Show hidden icons
button ( ) on your Windows taskbar.
2
Click
Monitor Adjustments
.
3
Select the appropriate device.
4
Click
Adjust visible area and refresh rate
"
Restore defaults
.
BNC connectors
Note:
For most analog grayscale monitors using BNC connectors, not all BNC connectors
are needed. In most cases, only the Green (
G
), Horizontal Sync (
H
), and Vertical Sync (
V
)
connectors are used.
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