11-09-2008, 01:58 AM
Last year, a number of G5's came into my office with defective video cards.
Checkerboard patterns and sometimes when a PDF is opened in the Preview app, weird diagonal dot-patterns appearing on screen.
From your description, that's what you've got.
Checkerboard patterns and sometimes when a PDF is opened in the Preview app, weird diagonal dot-patterns appearing on screen.
From your description, that's what you've got.