Lenovo ThinkPad T420 User Manual page 5

Diagnosing programs . . . . . . . . . . . .
Using Lenovo ThinkVantage Toolbox . . . .
Troubleshooting . . . . . . . . . . . . . .
Computer stops responding . . . . . . .
Spills on the keyboard . . . . . . . . . .
Error messages . . . . . . . . . . . .
Errors without messages . . . . . . . . .
Beep errors . . . . . . . . . . . . . .
Memory problems . . . . . . . . . . .
Modem and networking . . . . . . . . .
Keyboard and other pointing devices . . . .
Display and multimedia devices . . . . . .
Fingerprint reader problems. . . . . . . .
Battery and power . . . . . . . . . . .
Drives and other storage devices
Software problems . . . . . . . . . . .
Ports and connectors . . . . . . . . . .
Universal Serial Bus problems . . . . . . .
A docking station or port replicator
problem . . . . . . . . . . . . . . .
Chapter 11. Getting support . . . .
Before you contact Lenovo . . . . . . . . . .
Register your computer . . . . . . . . .
Download system updates . . . . . . . .
Record information . . . . . . . . . . .
Getting help and service . . . . . . . . . . .
Using diagnostic programs . . . . . . . .
Lenovo Support Web site. . . . . . . . .
Calling Lenovo . . . . . . . . . . . . .
Purchasing additional services . . . . . . . .
© Copyright Lenovo 2011
Appendix A. Regulatory
203
information . . . . . . . . . . . . .
203
Wireless related information . . . . . . . . .
203
203
204
204
Export classification notice . . . . . . . . . .
207
Electronic emission notices. . . . . . . . . .
208
208
208
215
217
226
227
. . . . . 230
233
233
233
233
235
Additional regulatory information . . . . . . .
235
235
Appendix B. WEEE and recycling
235
statements . . . . . . . . . . . . .
235
EU WEEE statements . . . . . . . . . . . .
236
Japan recycling statements
236
Appendix C. Notices . . . . . . . .
236
236
Trademarks . . . . . . . . . . . . . . . .
241
Location of the UltraConnect wireless
antennas . . . . . . . . . . . . . . .
Locating wireless regulatory notices . . . .
Federal Communications Commission
Declaration of Conformity . . . . . . . .
Industry Canada Class B emission compliance
statement . . . . . . . . . . . . . . .
European Union - Compliance to the
Electromagnetic Compatibility Directive . . .
German Class B compliance statement . . .
Korea Class B compliance statement . . . .
Japanese VCCI Class B statement . . . . .
Japan compliance statement for products
which connect to the power mains with
rated current less than or equal to 20 A per
phase . . . . . . . . . . . . . . . .
Lenovo product service information for
Taiwan . . . . . . . . . . . . . . . .
243
243
244
246
247
247
247
247
247
248
248
249
249
249
249
251
251
. . . . . . . . . 251
253
254
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