Lenovo ThinkSystem SR665 Maintenance Manual page 5

Top cover replacement . . . . . . . . . . . . 391
Remove the top cover . . . . . . . . . . 392
Install the top cover . . . . . . . . . . . 394
Complete the parts replacement . . . . . . . . 397
Chapter 5. Problem
determination . . . . . . . . . . . . . 399
Event logs . . . . . . . . . . . . . . . . . 400
Light path diagnostics . . . . . . . . . . . . 401
General problem determination procedures . . . . 402
Resolving suspected power problems . . . . 403
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 404
Troubleshooting by symptom . . . . . . . . . 405
Power on and power off problems . . . . . . 406
Memory problems . . . . . . . . . . . . 409
Hard disk drive problems . . . . . . . . . 410
Monitor and video problems . . . . . . . . 413
Keyboard, mouse, KVM switch or USB-device
problems . . . . . . . . . . . . . . . 417
Optional-device problems . . . . . . . . . 419
Serial-device problems . . . . . . . . . . 422
Intermittent problems . . . . . . . . . . . 424
Power problems . . . . . . . . . . . . . 427
Network problems . . . . . . . . . . . . 428
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Observable problems . . . . . . . . . . . 429
Software problems . . . . . . . . . . . . 433
Appendix A. Hardware
disassembling for recycle . . . . . . . 436
Disassembling the system board for recycle. . . . 436
Appendix B. Getting help and
technical assistance . . . . . . . . . . 440
Before you call . . . . . . . . . . . . . . . 440
Collecting service data . . . . . . . . . . . . 441
Contacting Support . . . . . . . . . . . . . 441
Appendix C. Notices. . . . . . . . . . 443
Trademarks . . . . . . . . . . . . . . . . 444
Important notes . . . . . . . . . . . . . . . 444
Particulate contamination . . . . . . . . . . . 445
ASHRAE class compliance information. . . . . . 446
Telecommunication regulatory statement . . . . . 447
Electronic emission notices . . . . . . . . . . 447
Taiwan BSMI RoHS declaration . . . . . . . 448
Taiwan import and export contact information . . . 448
Index . . . . . . . . . . . . . . . . . . 449
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