If so, it??™s likely a video overlay problem.
When you play video, Windows usually paints a special rectangle on
your screen, and your video driver is responsible for superimposing the
moving video over it. This overlay scheme allows your display adapter
(video card) to handle the burden of playing the video rather than your
CPU, which affords better performance and smoother video. Unfortunately,
it can also be the source of problems in some cases, usually manifesting
itself as a black rectangle where video should appear.
Figure 4-5. Play any video faster or slower with the Play Speed Settings panel in
Windows Media Player
* I would??™ve also accepted Billy Wilder??™s Stalag 17 (1953).
Playing Video | 157
Working with
Media
First, conduct a little test to see whether you indeed have an overlay
problem. Try maximizing or resizing the Windows Media Player window,
or cover it with another window and then bring it to the front. If
this makes the video play, or if you see pieces of windows left behind in
the black rectangle, your video card driver may be to blame. Visit your
video card manufacturer??™s web site and download the latest driver. Also,
pay a visit to the company??™s support web site and look for recommended
BIOS settings (see Appendix A).
In previous versions of Windows Media Player, one was able to downgrade
Windows??™ support for video overlays to solve this problem.
Unfortunately, Microsoft eliminated this option in Media Player 11, perhaps
because Vista??™s requirements for video hardware are so much heftier
than Windows XP??™s that Microsoft thought it inconceivable that
modern video drivers would have any problems playing video.
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