Samsung SyncMaster 551s Owner's Manual page 9

Safety Instructions
Do not move the monitor right or left by pulling only the wire
or the signal cable.
This may cause a breakdown, electric shock or a fire due to damage to the cable.
Never insert anything metallic into the monitor openings.
This may cause an electric shock, fire or injury.
Keep the monitor away from any magnetic substances.
This may cause discoloring or distortion of the image.
User's Manual
9