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Chapter 7. Troubleshooting and
diagnostics . . . . . . . . . . . . .53
Basic troubleshooting . . . . . . . . . . .53
Diagnostic programs . . . . . . . . . . .54
PC-Doctor for Windows . . . . . . . . .55
PC-Doctor for DOS . . . . . . . . . . .55
PC-Doctor for Windows PE . . . . . . . .57
Cleaning the mouse . . . . . . . . . . .57
Optical mouse . . . . . . . . . . . .57
Non-optical mouse . . . . . . . . . . .57
Chapter 8. Getting information, help,
and service . . . . . . . . . . . . .59
Information resources . . . . . . . . . . .59
Online Books folder . . . . . . . . . .59
ThinkVantage Productivity Center . . . . . .59
Access Help . . . . . . . . . . . . .60
Safety and warranty . . . . . . . . . .60
www.lenovo.com . . . . . . . . . . .60
Help and service . . . . . . . . . . . .60
Using the documentation and diagnostic
programs . . . . . . . . . . . . . .61
Calling for service . . . . . . . . . . .61
Using other services . . . . . . . . . .62
Purchasing additional services . . . . . . .62
Appendix A. Manual modem
commands . . . . . . . . . . . . .63
Basic AT commands . . . . . . . . . . .63
Extended AT commands . . . . . . . . . .65
MNP/V.42/V.42bis/V.44 commands . . . . . .66
Fax Class 1 commands . . . . . . . . . .67
Fax Class 2 commands . . . . . . . . . .67
Voice commands . . . . . . . . . . . . .68
Appendix B. Notices . . . . . . . . .71
Television output notice . . . . . . . . . .72
Trademarks . . . . . . . . . . . . . .72
Index . . . . . . . . . . . . . . .73
iv User Guide