How stop PPT slides from blinking when first opened?

[Richard]

A small percent of PPT presentations, when opened, blink or flash. When I
start a slideshow, the blinking/flashing ends. What do I do about this?

 

[Bill Dilworth]

Turn down the video acceleration a notch at a time until it stops. Don't
worry, this does not degrade the presentation quality.

** How to set graphics hardware acceleration back
http://www.pptfaq.com/FAQ00129.htm

--
Bill Dilworth
A proud member of the Microsoft PPT MVP Team
Users helping fellow users.
http://billdilworth.mvps.org
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