Toshiba Portege 4000 User Manual page 242

242
Windows
Windows® 98 Second Edition Troubleshooting
1 Open the Start menu, point to Settings, then click Control
Panel.
2 Double-click the System icon, then select the Device
Manager tab.
3 Open the CDROM device folder, select your CD-ROM
device driver, then click Properties.
Slow playback performance.
DVD playback is a resource intensive application. Other
applications and/or changes to your system hardware, software or
configuration can impact playback performance. If playback is
slower than normal:
1 Close any other open applications to improve the performance
of the DVD playback.
2 Ensure DMA is turned on. For instructions,
performance is poor." on page
3 If you have installed new hardware (such as a new graphics
card or audio card), ensure the component's drivers support
Microsoft
manufacturer of the component.
4 Check that your display driver resolution, color depth and
refresh rate are optimal for DVD playback. (Some systems do
not support video overlays if these parameters are not
optimal.) Try lowering these settings to improve performance.
Movies exhibit poor performance of "Director's
Commentary" or other similar optional content versions.
Some movies may exhibit poor performance of these features. In
particular, the video portion of the movie may become jerky or
show pauses. The normal version of the movie will not show this
problem.
®
98 Second Edition Operating System Information
® ®
DirectX 5.2b or higher. Contact the
see"Playback
241.