Installation guide

14 Matrox Graphics Card – Installation Guide
Problem: After game for Windows 95 starts, monitor doesn’t display properly
(rolling screen images, overlapping screen images or a blank screen)
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 MGA driver is using.
Solution
1 If the game is still running in full-screen mode, press [Ctrl]+[Alt]+[Del] once for the Close
Program
dialog box, and then click the End Task button.
2 Right-click the Windows desktop background, then click the Properties menu item  Monitor
tab
 MGA Monitor button.
3 From the MGA monitor list, select the monitor model you’re using. If your monitor model
does not appear in the list, select a monitor that runs at 60 Hz at 640 × 480 (for example,
Standard Monitor Types  Vesa 1024X768 @60Hz). For more information on MGA monitor
selection, see the MGA PowerDesk online guide.
4 Click OK to apply your selection and close the dialog box.
Problem: 3D program for Windows 95 or Windows NT 4.0
doesn’t start or stops running
(program uses bus mastering)
Cause
Your computer or program may not work well with bus mastering.
Solution
Disable bus mastering.
(If you want to continue using bus mastering, see the other solutions.)
Windows 95:
1 Right-click the Windows desktop background, then click the Properties menu item 
Settings tab  PowerDesk button  Performance tab.
2 Clear the Use Bus Mastering check box.
3 Click OK  OK  Yes to accept the changes and restart your computer.
Windows NT 4.0:
1 Right-click the Windows desktop background, then click the MGA Display Properties menu
item
 Performance tab.
2 Clear the Use Bus Mastering (OpenGL) check box.
3 Click OK  Yes to accept the changes and restart your computer.
eng_inst.print.book Page 14 Tuesday, February 17, 1998 4:39 PM