Lenovo E420, E520 Locating important product information, Machine type and model label, Caps Lock

Power-status indicators

Your computer has an indicator that shows the status of ac power.

Note: Your computer keyboard might look different from the illustration above.

The meaning of the indicator is as follows:

•Green: The ac power adapter is connected.

•Off: The ac power adapter is not connected.

On-screen indicators

Some indicators are displayed on the screen.

Caps Lock

Caps Lock mode is enabled. You can enter all alphabetic characters (A-Z) in uppercase without pressing the Shift key.

Wireless status

Press F9 to enable or disable the wireless features. You can quickly change the power state of each feature in the list. For information on the wireless features, refer to “Wireless connections” on page 40.

Locating important product information

This section provides information to help you locate your machine type and model label, FCC ID and IC Certification label, and the Microsoft® Certificate of Authenticity (COA) label.

Machine type and model label

The machine type and model label identifies your computer. If you contact Lenovo for help, the machine type and model number will enable support technicians to identify your computer and provide the highest level of service.

Chapter 1. Product Overview 13