L540s (4 or 5 years old now) used by the dozen in one of the places I teach, the managers have them as portable work machines. They seem reliable, they get a be

L540s (4 or 5 years old now) used by the dozen in one of the places I teach, the managers have them as portable work machines. They seem reliable, they get a beating. Quite big 15inch screen, thick bezel &c.