The use of two or more monitors on a computer. Desktop computers are always capable of extended desktop mode, but require additional hardware (see dual monitor). However, the term often refers to ...

A prototype of the ThinkBook Plus Gen 6 Rollable on display at the CES tech fair in Las Vegas (running until 10 January) can extend its display frame upwards at the touch of a button or by hand.

It starts out as a fairly typical-looking 14-inch Lenovo laptop, but with the push of a dedicated key or the gesture of a hand, the screen can actually extend up to a 16.7-inch display that’s ...