Lenovo’s Yoga AIO 9i doesn’t look like a traditional all-in-one computer: the 31.5-inch 4K screen attached to it has relatively small bezels, giving it an all-screen look; it’s held aloft by what looks like a bent copper tube; and it’s also not that easy to spot the actual computer part, as it’s hidden in a base that could conceivably just be the bottom of a traditional monitor.
The company...