Install the LOM adapter . . . . . . . . . . 163
Serial port module replacement . . . . . . . . 164
Remove the serial port module . . . . . . . 164
Install the serial port module . . . . . . . . 165
M.2 backplane and M.2 drive replacement . . . . 166
Remove the M.2 backplane and M.2 drive. . . 166
Adjust the retainer on the M.2 backplane . . . 168
Install the M.2 backplane and M.2 drive. . . . 169
Hot-swap power supply replacement . . . . . . 171
Remove a hot-swap power supply. . . . . . 171
Install a hot-swap power supply . . . . . . 176
TCM replacement (for China only). . . . . . . . 182
Remove the TCM (for China only) . . . . . . 182
Install the TCM (for China only) . . . . . . . 183
Processor and heat sink replacement . . . . . . 184
Remove a processor and heat sink . . . . . 184
Install a processor and heat sink . . . . . . 188
System board replacement . . . . . . . . . . 193
Remove the system board . . . . . . . . . 194
Install the system board . . . . . . . . . . 195
Update the Universal Unique Identifier
(UUID). . . . . . . . . . . . . . . . . 196
Update the DMI/SMBIOS data . . . . . . . 198
Enable TPM/TCM . . . . . . . . . . . . 200
Enable UEFI Secure Boot . . . . . . . . . 202
Complete the parts replacement . . . . . . . . 203
Chapter 4. Problem
determination . . . . . . . . . . . . . 205
Event logs . . . . . . . . . . . . . . . . . 205
Light path diagnostics . . . . . . . . . . . . 207
General problem determination procedures . . . . 207
Resolving suspected power problems . . . . 207
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 208
Troubleshooting by symptom . . . . . . . . . 208
Power on and power off problems . . . . . . 209
Memory problems . . . . . . . . . . . . 210
Hard disk drive problems . . . . . . . . . 211
Monitor and video problems . . . . . . . . 213
Keyboard, mouse, or USB-device
problems . . . . . . . . . . . . . . . 215
Optional-device problems . . . . . . . . . 215
Serial-device problems . . . . . . . . . . 217
Intermittent problems. . . . . . . . . . . 217
Power problems . . . . . . . . . . . . . 218
Network problems . . . . . . . . . . . . 219
Observable problems. . . . . . . . . . . 219
Software problems. . . . . . . . . . . . 221
Appendix A. Getting help and
technical assistance . . . . . . . . . . 223
Before you call . . . . . . . . . . . . . . . 223
Collecting service data . . . . . . . . . . . . 224
Contacting Support . . . . . . . . . . . . . 225
Appendix B. Notices. . . . . . . . . . 227
Trademarks . . . . . . . . . . . . . . . . 228
Important notes . . . . . . . . . . . . . . . 228
Particulate contamination . . . . . . . . . . . 228
Telecommunication regulatory statement. . . . . 229
Electronic emission notices . . . . . . . . . . 229
Taiwan BSMI RoHS declaration . . . . . . . 230
Taiwan import and export contact information . . . 230
Index . . . . . . . . . . . . . . . . . . 231
ii ThinkSystem SR650 Maintenance Manual
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