How many Macintosh users does it take to screw… Posted on March 18, 2015March 18, 2007 by admin How many Macintosh users does it take to screw in a light bulb? One, but you have to replace the whole motherboard. Spread the love Related posts: Q: How many Pisceans Q: How many cats Q: How many lawyers How many blondes does it take to change a…