Lenovo ThinkPad T420 (English) User Guide - Page 5

Appendix B. WEEE and recycling, Appendix D. Restriction of Hazardous - docking station

Page 5 highlights

Chapter 10. Troubleshooting computer problems 201 Diagnosing problems 201 Troubleshooting 202 Computer stops responding 202 Spills on the keyboard 203 Error messages 203 Errors without messages 205 Beep errors 206 Memory problems 207 Modem and networking 207 Keyboard and other pointing devices . . . . 214 Display and multimedia devices 215 Fingerprint reader problems 225 Battery and power 225 Drives and other storage devices . . . . . 229 Software problems 231 Ports and connectors 231 Universal Serial Bus problems 232 A docking station or port replicator problem 232 Chapter 11. Getting support . . . . 233 Before you contact Lenovo 233 Register your computer 233 Download system updates 233 Record information 233 Getting help and service 234 Using diagnostic programs 234 Lenovo Support Web site 234 Calling Lenovo 234 Purchasing additional services 235 Appendix A. Regulatory information 237 Wireless related information 237 Location of the UltraConnect wireless antennas 238 Locating wireless regulatory notices . . . . 240 Export classification notice 241 Electronic emission notices 241 Federal Communications Commission Declaration of Conformity 241 Industry Canada Class B emission compliance statement 241 European Union - Compliance to the Electromagnetic Compatibility Directive . . . 241 German Class B compliance statement . . . 242 Korea Class B compliance statement . . . . 242 Japanese VCCI Class B statement . . . . . 243 Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase 243 Lenovo product service information for Taiwan 243 Additional regulatory information 243 Appendix B. WEEE and recycling statements 245 Important WEEE Information 245 Battery recycling information for Japan . . . . . 245 Battery recycling information for Brazil . . . . . 246 Battery recycling information for Taiwan . . . . . 246 Battery recycling information for European Union 247 Battery recycling information for United States and Canada 247 Appendix C. Notices 249 Trademarks 250 Appendix D. Restriction of Hazardous Substances Directive (RoHS) . . . . 251 China RoHS 251 Turkish RoHS 251 Ukraine RoHS 251 India RoHS 252 © Copyright Lenovo 2011 iii

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Chapter 10. Troubleshooting
computer problems
.........
201
Diagnosing problems
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201
Troubleshooting
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202
Computer stops responding
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202
Spills on the keyboard
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203
Error messages
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203
Errors without messages
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205
Beep errors
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206
Memory problems
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207
Modem and networking
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207
Keyboard and other pointing devices
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214
Display and multimedia devices
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215
Fingerprint reader problems
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225
Battery and power
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225
Drives and other storage devices
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229
Software problems
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231
Ports and connectors
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231
Universal Serial Bus problems
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232
A docking station or port replicator
problem
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232
Chapter 11. Getting support
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233
Before you contact Lenovo
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233
Register your computer
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233
Download system updates
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233
Record information
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233
Getting help and service
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234
Using diagnostic programs
.
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234
Lenovo Support Web site
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234
Calling Lenovo
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234
Purchasing additional services
.
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235
Appendix A. Regulatory
information
.............
237
Wireless related information
.
.
.
.
.
.
.
.
.
237
Location of the UltraConnect wireless
antennas
.
.
.
.
.
.
.
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238
Locating wireless regulatory notices
.
.
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240
Export classification notice
.
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.
.
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.
.
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241
Electronic emission notices
.
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241
Federal Communications Commission
Declaration of Conformity
.
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241
Industry Canada Class B emission compliance
statement
.
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241
European Union - Compliance to the
Electromagnetic Compatibility Directive .
.
.
241
German Class B compliance statement .
.
.
242
Korea Class B compliance statement
.
.
.
.
242
Japanese VCCI Class B statement
.
.
.
.
.
243
Japan compliance statement for products
which connect to the power mains with
rated current less than or equal to 20 A per
phase
.
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243
Lenovo product service information for
Taiwan
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243
Additional regulatory information
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243
Appendix B. WEEE and recycling
statements
.............
245
Important WEEE Information
.
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245
Battery recycling information for Japan
.
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245
Battery recycling information for Brazil
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246
Battery recycling information for Taiwan
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246
Battery recycling information for European
Union
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247
Battery recycling information for United States and
Canada
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247
Appendix C. Notices
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249
Trademarks
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250
Appendix D. Restriction of Hazardous
Substances Directive (RoHS)
....
251
China RoHS
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251
Turkish RoHS
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251
Ukraine RoHS
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251
India RoHS
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252
© Copyright Lenovo 2011
iii