Simplest of reasons, really. Diet Coke on the notebook keyboard, followed by desperate rescue attempts, followed by a frustrating and irritating search for a replacement, followed by a really irritating learning curve in which the worst "improvements" in Windows 8 had to be discovered, researched, and removed or hacked, followed by miraculously retrieving the data off my old hard drive.
I'm sure you've all been there. (Mac and
*New keyboard. Back off.