About the Author

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Mark L. Chambers loves to talk about his favorite subject, Macs. He's been a technical author and editor, computer consultant, programmer, and expert hardware technician for more than 30 years. His more than 30 books include MacBook For Dummies, 8th Edition, OS X Yosemite All-in-One For Dummies, and previous editions of Macs For Seniors For Dummies.