Lenovo E420 Laptop User Manual


 
DANGER
To avoid the risk of electrical shock, do not connect the telephone cable to the Ethernet connector.
You can only connect an Ethernet cable to this connector.
Two indicators, to the lower right and left of the connector, show the status of the network connection. When
your computer connects to a LAN and a session with the network is available, the lower right indicator is
solid green. While data is being transmitted, the lower left indicator blinks yellow.
For details, refer to the instructions in “Access Connections” on page 21.
2 Fan louvers (rear)
The internal fan and louvers enable air to circulate in the computer and cool the central processor.
Note: To avoid impeding airow, do not place any obstacle in front of the fan.
Status indicators
The status indicators show the current status of your computer.
Chapter 1. Product Overview 11