It's unclear why the Lenovo Yoga AIO 9i ($1,799.99 as tested) carries the name of the company's convertible PCs—unlike earlier models, this one-piece desktop can't swivel its screen between ...

The Lenovo Yoga Book 9i is defined by one feature in particular: Instead of having a hardware keyboard and trackpad for its lower half, it has a second 13.3-inch OLED screen to match the one on top.

It's unclear why the Lenovo Yoga AIO 9i ($1,799.99 as tested) carries the name of the company's convertible PCs—unlike earlier models, this one-piece desktop can't swivel its screen between ...