Lenovo ThinkPad X250 User Manual page 34

• 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, change power plan settings.
See "Managing the battery power" on page 30.
• If your computer will be turned off for an extended period of time, remove the removable battery and
follow the instructions in "Disabling the built-in battery" on page 121 to disable the built-in battery so as to
prevent battery power from draining.
How do I securely dispose of data stored on the storage drive?
• Study Chapter 5 "Security" on page 59 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 storage drive, be sure to read the topic "Notice on deleting data
from your internal storage drive" on page 68.
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 in the Lenovo Settings program (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 56.
• Press the wireless-radios control key
How do I give presentations or attach an external display?
• Ensure that you follow the procedure in the topic "Connecting an external display" on page 36.
• With the Extend desktop function, you can display output on both the computer display and the external
display. See "Choosing a display mode" on page 37.
I have been using the computer for some time already, and it is getting slower. What should I do?
• Follow the "General tips for preventing problems" on page 89.
• Diagnose problems yourself by using the preinstalled diagnostic software. See "Diagnosing problems"
on page 95.
• Check for recovery solutions in Chapter 9 "Recovery overview" on page 113.
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User Guide
to enable or disable the wireless features.
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