Samsung SyncMaster 540B User Manual page 9

A falling product could cause physical damage even death.
When not using the product for an extended time period, keep the
product unplugged.
Otherwise, this may cause heat emission from the accumulated dirt or
degraded insulation, leading to electric shock or fire.
Do not place children's favorite objects (or anything else that may be
tempting) on the product.
Children may try to climb on the product to retrieve an object. The
product could fall, causing physical damage or even death.