POST error codes........................63
EasyStartup problems ......................64
Troubleshooting tables ......................65
CD-RW/DVD drive problems ...................65
General problems .......................66
Hard disk drive problems ....................66
Intermittent problems......................67
USB keyboard, mouse, or pointing-device problems ..........68
Memory problems.......................69
Microprocessor problems ....................70
Monitor problems .......................71
Optional-device problems ....................73
Power problems .......................73
Serial port problems ......................75
Software problems ......................76
Universal Serial Bus (USB) port problems ..............77
Video problems........................77
Light path diagnostics ......................77
Diagnosing problems using light path diagnostics ...........78
Light path diagnostics LEDs ...................78
Appendix A. Getting help and technical assistance ..........81
Before you call .........................81
Using the documentation .....................81
Getting help and information from the World Wide Web ..........82
Calling for service........................82
Using other services .......................83
Purchasing additional services ...................83
Lenovo product service......................83
Appendix B. Notices ......................85
Trademarks ..........................86
Important notes.........................86
Waste electrical and electronic equipment (WEEE) notices.........87
Battery return program ......................88
German Ordinance for Work gloss statement..............89
Electronic emissions notices ....................89
Federal Communications Commission (FCC) statement .........89
Industry Canada Class Aemission compliance statement ........90
Avis de conformité àla réglementation d'Industrie Canada ........90
Australia and New Zealand Class Astatement ............90
United Kingdom telecommunications safety requirement.........90
European Union EMC Directive conformance statement.........90
German Class Acompliance statement ...............90
Japanese Voluntary Control Council for Interference (VCCI) statement ...91
Taiwanese Class Awarning statement ...............92
Chinese Class Awarning statement ................92
Korean Class Awarning statement ................92
Index ............................93
iv ThinkServer RD120 Types 6444, 6445, 6446, and 6447: Installation Guide
