Software problems . . . . . . . . . . . . . . . . . . . . . . 135
Universal Serial Bus (USB) port problems
Video problems . . . . . . . . . . . . . . . . . . . . . . . 136
Light path diagnostics . . . . . . . . . . . . . . . . . . . . . . 136
. . . . . . . . . . . . . . . . . . . . . . . 138
Light path diagnostics switch . . . . . . . . . . . . . . . . . . 138
Light path diagnostics LEDs
. . . . . . . . . . . . . . . . . . 138
Power-supply LEDs. . . . . . . . . . . . . . . . . . . . . . . 140
Diagnostic programs, messages, and error codes
Running the diagnostic programs. . . . . . . . . . . . . . . . . 142
Diagnostic text messages
. . . . . . . . . . . . . . . . . . . 143
Viewing the test log. . . . . . . . . . . . . . . . . . . . . . 143
Diagnostic error codes
. . . . . . . . . . . . . . . . . . . . 144
Recovering the BIOS code . . . . . . . . . . . . . . . . . . . . 156
System-error log messages . . . . . . . . . . . . . . . . . . . . 158
Solving power problems . . . . . . . . . . . . . . . . . . . . . 164
Solving Ethernet controller problems
. . . . . . . . . . . . . . . . 165
Solving undetermined problems . . . . . . . . . . . . . . . . . . 166
Problem determination tips . . . . . . . . . . . . . . . . . . . . 166
Calling IBM for service
. . . . . . . . . . . . . . . . . . . . . 167
Appendix A. Getting help and technical assistance
. . . . . . . . . . . . . . . . . . . . . . . . 169
. . . . . . . . . . . . . . . . . . . . . . 171
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . 171
Important notes . . . . . . . . . . . . . . . . . . . . . . . . 172
Product recycling and disposal
. . . . . . . . . . . . . . . . . . 173
. . . . . . . . . . . . . . . . . . . . . 174
Electronic emission notices . . . . . . . . . . . . . . . . . . . . 176
Federal Communications Commission (FCC) statement
Industry Canada Class A emission compliance statement . . . . . . . . 176
Avis de conformité à la réglementation d’Industrie Canada . . . . . . . 176
Australia and New Zealand Class A statement . . . . . . . . . . . . 176
United Kingdom telecommunications safety requirement . . . . . . . . 176
European Union EMC Directive conformance statement . . . . . . . . 176
Taiwanese Class A warning statement . . . . . . . . . . . . . . . 177
Chinese Class A warning statement . . . . . . . . . . . . . . . . 177
Japanese Voluntary Control Council for Interference (VCCI) statement
Korean Class A warning statement . . . . . . . . . . . . . . . . 178
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Contents
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Summary of Contents for x3550 - System - 7978
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