Lenovo ThinkPad E450, User Manual, Page: 34 / 166

• For Windows 7: Open the Start menu, then click Shut down.
• For Windows 8.1: Do one of the following:
– Go to the Start screen by pressing the Windows key, click the power icon in the top-right corner
of the screen, then click Shut down .
– Move your pointer to the top-right or bottom-right corner of the screen to display the charms. Then
click Settings ➙ Power ➙ Shut down .
Note: You also can open the Settings charm by pressing the settings key .
How do I use battery power more effectively when I am on the go?
• To conserve power, or to suspend operation without exiting programs or saving files, see “Power-saving
modes” on page 30.
• To achieve the best balance between performance and power saving, create and apply power plans.
See “Managing the battery power” on page 30
• If your computer will be turned off for an extended period of time, you can prevent battery power
from draining by removing the battery. Look for more information about using the battery in “Power
management” on page 28.
How do I securely dispose of data stored on the hard disk drive, hybrid drive, or solid-state drive?
• Study Chapter 5 “Security” on page 53 section to find out how you can protect your computer from
theft and unauthorized use.
• Use the Password Manager program to protect the data stored on your computer. For details, see the
help information system of the program.
• Before you dispose of the data on the hard disk drive, hybrid drive, or solid-state drive, be sure to read
“Notice on deleting data from your hard disk drive, hybrid drive, or solid-state drive” on page 60.
How do I get connected in different locations?
• To troubleshoot a wireless networking issue, go to:
http://www.lenovo.com/support/faq
• Take advantage of the networking features provided by the Access Connections program (on the
Windows 7 operating system) or Location Awareness program in Lenovo Settings (on the Windows
8.1 operating system).
• To learn more about using the wireless features of your computer, refer to “Wireless connections” on
page 33.
• To travel more confidently, be sure to check the tips in “Traveling with your computer” on page 50.
• Press the wireless-switching key to enable or disable the wireless features.
How do I give presentations or attach an external monitor often?
• Ensure that you follow the procedure for “Using an external display” on page 35.
• With the Extend desktop function, you can display output on both the computer display and an external
monitor.
How do I attach or replace a device?
• See Chapter 10 “Replacing devices” on page 109 for more information about replacing the devices of
your computer.
I have been using the computer for some time already, and it is getting slower. What should I do?
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User Guide