Summary: If Preview is displaying some PDFs as black rectangles instead of pages, even though their thumbnails are correct, you can solve the problem in a non-obvious way: by recalibrating your display.<p> </p><p>Read the <a href="http://tidbits.com/article/17749">full article at TidBITS</a>, the oldest continuously published technology publication on the Internet. To get a full-text RSS feed, help support our work and <a href="http://tidbits.com/member_benefits.html">become a TidBITS member</a>! Members also enjoy an ad-free version of our Web site, email delivery of individual articles, the ability to make long comments with live links, and discounts on Take Control orders and other Apple-related products.</p>
