Installation guide

18 Matrox Graphics Card – Installation Guide
Problem: Screen image defects appear in Windows 95 or Windows NT 4.0
(example: mouse pointer not drawn properly)
Cause
Some programs may not work properly with some MGA acceleration.
Solution
Disable specific types of software acceleration.
Windows 95:
1 Right-click the Windows desktop background, then click the Properties menu item 
Settings tab  PowerDesk button  Performance tab.
2 Clear one or more check boxes, starting with Use Device Bitmaps Caching.
For more information, see context-sensitive Help.
3 Click OK  Close to accept the changes. (Depending on the feature you disabled, you may
have to restart your computer for the changes to take effect.)
Windows NT 4.0:
1 Right-click the Windows desktop background, then click MGA Display Properties menu item
 Performance tab.
2 Clear one or more check boxes.
For more information, see context-sensitive Help.
3 Click OK  Yes to accept the changes. (Depending on the feature you disabled, you may have
to restart your computer for the changes to take effect.)
Solution
If possible, update your Matrox display driver. Matrox makes new display drivers
available on the Matrox Web site (www.matrox.com/mga) and BBS (514-685-6008).
Solution
Windows 95: Disable Matrox hardware acceleration.
1 Right-click the My Computer icon on the Windows desktop background.
2 Click the Properties menu item  Performance tab  Graphics button.
3 Move the Hardware acceleration slider to None.
4 Click OK  Close  Yes to accept the changes and restart your computer.
Cause
Windows 95: There may be a conflict between resources in your system.
Solution
1 Right-click the My Computer icon on the Windows desktop background, then click the
Properties menu item  Device Manager tab.
2 Click the plus sign next to Other devices (if it appears) and Display adapters.
3 Delete any display adapter other than the one for your Matrox graphics card.
4 Restart your computer.
eng_inst.print.book Page 18 Tuesday, February 17, 1998 4:39 PM