Lenovo ThinkPad E580, User Manual, Page: 30 / 142

How do I attach an external display?
• Refer to “Using an external display” on page 26.
• With the Extend desktop function, you can display output on both the computer display and an external
display.
How do I attach or replace a device?
Refer to the appropriate topic in Chapter 9 “Replacing devices” on page 75.
I have been using the computer for some time already, and is getting slower. What should I do?
• Follow the “General tips for preventing problems” on page 57.
• Diagnose problems yourself by using the preinstalled diagnostic software. See “Diagnosing problems” on
page 57.
• Check for recovery solutions in Chapter 8 “Recovery information” on page 73.
Print the following topics and keep them with your computer in case you are unable to access this
electronic user guide when necessary.
• “Installing a Windows 10 operating system” on page 43
• “Computer stops responding” on page 58
• “Power problems” on page 70
Getting help about the Windows operating system
The Windows help information system provides you with detailed information about using the Windows
operating system so that you can get the most of your computer. To access the Windows help information
system, click the
Start button to open the Start menu, and then click Get Help or Tips . Additionally, you can
use the Cortana
®
personal assistant to search for help, apps, files, settings, and so on.
Using the special keys
Your computer has several special keys to help you work more easily and effectively.
1 Numeric keypad
You can use this numeric keypad to input numbers quickly.
2 Windows logo key
Press the Windows logo key to open the Start menu. For information about using the Windows logo key with
other keys, see the help information system of the Windows operating system.
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E580 User Guide