People find amazing ways to break computers. Cats are even more creative

PC repair chap turned pet detective to diagnose the defectiveOn Call The unconditional love of a pet is often a solace, and perhaps never more so than at the end of a busy working week. Which is when The Register competes with the animal kingdom for your affection by delivering a new edition of On Call, our Friday column in which we share your stories of scratching out a living delivering tech support. This week, meet a reader we'll Regomize as "Walt" who fixes computers. "One day a client came in and complained that her laptop would not turn on."...