You insert a video file, such as a .wmv file, an .mpeg file, or an .avi file, into a Microsoft PowerPoint slide presentation. When you play the video file, the video does not play. However, the audio plays as expected.

This issue may occur if any one of the following conditions is true:

• The hardware acceleration setting of the display device is too high.
• The required codec is missing or damaged.
• Conflicting third-party video software is installed on the computer.
• The video acceleration of Windows Media Player is too high.

To work around this issue, use one of the following procedures, depending on your situation.

The hardware acceleration setting of the display device is too high

To work around this issue, follow these steps:

1. Click Start, click Run, type desk.cpl, and then click OK.
2. Click the Settings tab, and then click Advanced.
3. Click the Troubleshoot tab, and then move the Hardware acceleration slider to None.
4. Click Apply, and then click OK two times.
5. If the issue is resolved after you move the Hardware acceleration slider to None, contact the manufacturer of the graphics adaptor driver to determine whether there is an upgrade that addresses this specific issue.

The required codec is missing or damaged

To work around this issue, perform one of the following actions:

• If the issue occurs when you use a .wmv file, download or reinstall the current version of Windows Media Player. If you are using an earlier version of Windows Media Player, upgrade it to the cuurent version of Windows Media Player for your operating system.
  
  To install the recent version of Windows Media Player, visit the following Microsoft Web site:
  http://www.microsoft.com/windows/windowsmedia/download (http://www.microsoft.com/windows/windowsmedia/download)
• If the issue occurs when you use another video file format, such as an .mpeg file or an .avi file, download or reinstall the appropriate third-party codec. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
  926373  (http://kbalertz.com/Feedback.aspx?kbNumber=926373/ ) You receive a codec error message, or audio plays but video does not play when you play media files in Windows Media Player 11

Conflicting third-party video software is installed

To work around this issue, remove the conflicting third-party video software from the computer. This software may be shareware or other software utilities that the Original Equipment Manufacturer (OEM) installed on the computer.

Reduce video acceleration for Microsoft Windows Media Player 9.0

To work around this issue, follow these steps:

1. On the Tools menu, click Options.
2. Click the Performance tab.
3. Click Advanced.
4. Click to remove the Use overlays check box.
5. Click OK two times.

Reduce video acceleration for Microsoft Windows Media Player 10.0 or a later version

To work around this issue, follow these steps:

1. Click Plug-ins, and then click Options.
2. Click the Performance tab.
3. Click Advanced
4. Click to remove the Use overlays check box.
5. Click OK.
6. Click Yes when you receive the following prompt:

For more information about how Microsoft Office PowerPoint 2003 plays multimedia files in a presentation, visit the following Microsoft Web site: