User Guide

ThinkPad

User Guide

ThinkPad X240

Note: Before using this information and the product it supports, be sure to read and understand the following:

Safety, Warranty, and Setup Guide

• Regulatory Notice

• “Important safety information” on page vi

• Appendix E “Notices” on page 161

The latest Safety, Warranty, and Setup Guide and the Regulatory Notice are available on the Lenovo Support Web site at:

http://www.lenovo.com/UserManuals

Contents

Read this first ..... v
Important safety information ..... vi
Conditions that require immediate action ..... vii
Safety guidelines ..... vii

Chapter 1. Product overview ..... 1
Locating computer controls, connectors, and indicators. ..... 1
Front view ..... 1
Right-side view ..... 3
Left-side view ..... 5
Bottom view ..... 6
Status indicators ..... 6
Locating important product information ..... 8
Machine type and model information ..... 8
FCC ID and IC Certification information ..... 8
Certificate of Authenticity information ..... 9
Genuine Microsoft label ..... 10
Features ..... 10
Specifications ..... 11
Operating environment ..... 12
Lenovo programs ..... 12
Accessing Lenovo programs on the Windows 7 operating system ..... 12
Accessing Lenovo programs on the Windows 8 or Windows 8.1 operating system ..... 13
Lenovo program overview ..... 14

Chapter 2. Using your computer ..... 17
Registering your computer ..... 17
Frequently asked questions ..... 17
Using the multi-touch screen ..... 19
Special keys ..... 22
Function keys and key combinations ..... 22
Windows key ..... 23
ThinkPad pointing device ..... 24
Using the ThinkPad pointing device ..... 24
Using the trackpad touch gestures ..... 26
Customizing the ThinkPad pointing device ..... 27
Replacing the cap of pointing stick ..... 28
Power management ..... 28
Checking the battery status ..... 28
Using the ac power ..... 29
Charging the batteries ..... 29
Maximizing the battery life ..... 30
Managing the battery power ..... 30
Power-saving modes ..... 30

Connecting to the network .

Refreshing your computer ..... 68
Resetting your computer to the factory default settings. ..... 68
Using the advanced startup options ..... 69
Recovering your operating system if Windows 8 or Windows 8.1 fails to start ..... 69
Creating and using recovery media ..... 69
Chapter 6. Replacing devices ..... 73
Static electricity prevention. ..... 73
Disabling the built-in battery ..... 73
Installing or replacing the SIM card ..... 74
Replacing the battery pack ..... 75
Replacing the base cover assembly ..... 77
Replacing the hard disk drive or solid-state drive ..... 77
Replacing a memory module ..... 81
Replacing an M.2 wireless-LAN card ..... 83
Replacing an M.2 wireless-WAN card ..... 87
Chapter 7. Enhancing your computer ..... 91
Finding ThinkPad options ..... 91
ThinkPad docking stations ..... 91
Locating controls and connectors on the ThinkPad docking stations ..... 91
Attaching a ThinkPad docking station ..... 96
Detaching a ThinkPad docking station ..... 97
Guidelines on connecting multiple external displays to a docking station ..... 98
Security features ..... 99
Chapter 8. Advanced configuration ..... 101
Installing a new operating system ..... 101
Installing the Windows 7 operating system ..... 101
Installing the Windows 8 or Windows 8.1 operating system ..... 102
Installing device drivers ..... 103
Using the ThinkPad Setup program ..... 103
Main menu ..... 104
Config menu. ..... 104
Date and Time menu ..... 109
Security menu ..... 109
Startup menu ..... 113
Restart menu ..... 115
Updating the UEFI BIOS ..... 115
Using system management. ..... 115
Setting management features ..... 116
Chapter 9. Preventing problems ..... 119
General tips for preventing problems ..... 119
Making sure device drivers are current ..... 120

Taking care of your computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning the cover of your computer .

rated current less than or equal to 20 A per phase ..... 149
Lenovo product service information for Taiwan ..... 149
Eurasian compliance mark ..... 149
Brazil regulatory notice ..... 149
Mexico regulatory notice.....149
Appendix B. WEEE and recycling statements ..... 151
Important WEEE information ..... 151
Recycling information for China ..... 151
Recycling information for Japan ..... 151
Recycling information for Brazil ..... 152
Battery recycling information for Taiwan ..... 153
Battery recycling information for the European Union ..... 153

Battery recycling information for the United States and Canada. 153
Appendix C. Restriction of Hazardous Substances Directive (RoHS) . . . . 155
European Union RoHS 155
China RoHS. 156
India RoHS 156
Turkish RoHS 157
Ukraine RoHS 157
Appendix D. ENERGY STAR model information 159
Appendix E. Notices. 161
Trademarks 162

Read this first

Be sure to follow the important tips given here to get the most use and enjoyment out of your computer. Failure to do so might lead to discomfort or injury, or cause your computer to fail.

Protect yourself from the heat that your computer generates.

中

When your computer is turned on or the battery is charging, the base, the palm rest, and some other parts may become hot. The temperature they reach depends on the amount of system activity and the level of charge in the battery.

Extended contact with your body, even through