Knowledge Base

PPT98: Macintosh Desktop Colors Are Altered

Article ID: 188756

Article Last Modified on 10/3/2002

Microsoft PowerPoint 98 for Macintosh

This article was previously published under Q188756

SYMPTOMS

In Microsoft PowerPoint, when you start a presentation that includes slides containing shaded backgrounds or slides using many palette colors, the desktop colors may change. This behavior is noticeable because the desktop takes on the color of the slide background.

CAUSE

When you use 8-bit color video cards on the Macintosh, only 256 colors can be displayed on the screen at a time. When you open the PowerPoint presentation, the Color Lookup Table for the current slide sets the 256 colors that can be displayed. The desktop must take its colors from these 256 colors. When the next slide becomes active, the Color Lookup Table for that slide sets the current 256 colors.

RESOLUTION

If your hardware supports it, you can change the Color Depth setting in the Monitors control panel to Thousands or Millions. Increasing the Color Depth setting will give you a color palette large enough that the PowerPoint colors will not interfere with colors used for the desktop.

Additional query words: change switch swap shift sub substitute adjust adjusted

Keywords: kbui kbprb KB188756