[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...

While Lion may seem like an enticing installation, some programs are not yet compatible with it. You may wish to maintain Snow Leopard in a dual-boot setup to maintain compatibility. Here is how to do ...

Mac OS X 10.7, better known as Lion, is an impressive update to the Mac operating system. In addition to its many important features, Apple finally removed one of my longest-running pet peeves and now ...

Now here’s a bizarre headscratcher. A reader’s Mac Pro was upgraded from Snow Leopard to Lion, then refused to subsequently boot off the Snow Leopard DVD to reinstall the older OS on another drive.