User guide

24 Matrox Graphics Card – User Guide
Problem After game for Windows 2000/XP starts, monitor doesn’t display
properly
(blank screen, rolling or overlapping screen images)
1
Cause If your game uses a low-resolution (640 × 480 and below), full-screen display mode, your
monitor may not support the refresh rate the Matrox driver is using.
1
Solution 1 If the game is still running in full-screen mode and your monitor is unusable, exit the
game. To do this, press [Alt]+[Tab]
once , right-click the name of the game on the
Windows taskbar, then click
Close .
2 Make sure the correct monitor is selected in Windows.
2
Solution 1 If the game is still running in full-screen mode and your monitor is unusable, exit the
game. To do this, press [Alt]+[Tab]
once , right-click the name of the game on the
Windows taskbar, then click
Close .
2 Access the Matrox PowerDesk Monitor Settings property sheet (see “Accessing
PowerDesk property sheets”, page 11).
3 Click Select customizations from the Matrox list .
4 From the Matrox monitor list, select the monitor model you’re using. If your monitor
model doesn’t appear in the list, select a monitor that runs at 60 Hz at 640 × 480 (for
example,
Standard monitor types Æ Vesa 1024X768 @60Hz Æ Next ). Follow the on-
screen instructions to complete the selection.
Problem 3D and video programs don’t work
1
Cause Your computer or program may not work well with bus mastering.
1
Solution Disable bus mastering:
(If you want to continue using bus mastering, see the other solutions.)
Windows 2000/XP –
1 Access the Matrox PowerDesk Options property sheet (see “Accessing PowerDesk
property sheets”, page 12).
2 Clear the Use bus mastering check box.
3 Click OK Æ OK Æ Yes to accept the changes and restart your computer.
2
Cause Your computer may not have given an interrupt request (IRQ) to your Matrox graphics card
or may have given one used by another device in your computer. This may be because your
computer’s “Plug-and-Play” feature is turned off.