System board LEDs . . . . . . . . . . . 291
General problem determination procedures . . . . 293
Resolving suspected power problems . . . . 294
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 294
Troubleshooting by symptom . . . . . . . . . 295
Hard disk drive problems . . . . . . . . . 295
Fan problems . . . . . . . . . . . . . . 297
Intermittent problems. . . . . . . . . . . 298
Keyboard, mouse, KVM switch or USB-device
problems . . . . . . . . . . . . . . . 299
Memory problems . . . . . . . . . . . . 300
Monitor and video problems . . . . . . . . 304
Network problems . . . . . . . . . . . . 305
Observable problems. . . . . . . . . . . 306
Optional-device problems . . . . . . . . . 309
Power on and power off problems . . . . . . 311
Processor problems . . . . . . . . . . . 312
Serial-device problems . . . . . . . . . . 313
Software problems. . . . . . . . . . . . 313
Appendix A. Hardware disassembling for
recycle . . . . . . . . . . . . . . . . . 315
Disassemble the server for chassis recycle . . . . 315
Appendix B. Getting help and
technical assistance . . . . . . . . . . 317
Before you call . . . . . . . . . . . . . . . 317
Collecting service data . . . . . . . . . . . . 318
Contacting Support . . . . . . . . . . . . . 319
Appendix C. Notices. . . . . . . . . . 321
Trademarks . . . . . . . . . . . . . . . . 322
Important notes . . . . . . . . . . . . . . . 322
Telecommunication regulatory statement. . . . . 322
Electronic emission notices . . . . . . . . . . 323
Taiwan Region BSMI RoHS declaration. . . . 323
Taiwan Region import and export contact
information . . . . . . . . . . . . . . . . 323
Index . . . . . . . . . . . . . . . . . . 325
ii ThinkSystem SR860 V2 Maintenance Manual
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