I've had at least four, and never had one not fail. It may depend on the conditions you use them in; keeping it on your desk most of the time is probably bette

I've had at least four, and never had one not fail. It may depend on the conditions you use them in; keeping it on your desk most of the time is probably better than carrying it around and using it in coffee shops and so forth. But that's a standard use case for laptops; there's no excuse for not being able to survive that.