Lenovo ThinkSystem SR550 Maintenance Manual page 4

Remove a memory module
Memory module installation rules . . . . . . 126
Install a memory module . . . . . . . . . 130
LOM adapter replacement
Remove the LOM adapter . . . . . . . . . 132
Install the LOM adapter . . . . . . . . . . 133
M.2 backplane and M.2 drive replacement . . . . 134
Remove the M.2 backplane and M.2 drive. . . 134
Install the M.2 backplane and M.2 drive. . . . 137
Adjust the retainer on the M.2 backplane . . . 140
TCM/TPM adapter replacement (for Chinese
Mainland only) . . . . . . . . . . . . . . . 140
Remove the TCM/TPM adapter (for Chinese
Mainland only) . . . . . . . . . . . . . 141
Install the TCM/TPM adapter (for Chinese
Mainland only) . . . . . . . . . . . . . 142
Processor and heat sink replacement . . . . . . 143
Remove a processor and heat sink . . . . . 144
Install a processor and heat sink . . . . . . 147
CMOS battery replacement . . . . . . . . . . 151
Remove the CMOS battery . . . . . . . . 151
Install the CMOS battery . . . . . . . . . 153
System board replacement . . . . . . . . . . 155
Remove the system board . . . . . . . . . 156
Install the system board . . . . . . . . . . 157
Update the machine type and serial
number . . . . . . . . . . . . . . . . 159
Enable TPM/TCM . . . . . . . . . . . . 160
Enable UEFI Secure Boot . . . . . . . . . 164
Complete the parts replacement . . . . . . . . 164
Chapter 4. Problem
determination . . . . . . . . . . . . . 167
Event logs . . . . . . . . . . . . . . . . . 167
ThinkSystem SR550 Maintenance Manual
ii
. . . . . . . . 125
. . . . . . . . . . 132
General problem determination procedures . . . . 169
Resolving suspected power problems . . . . 169
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 170
Troubleshooting by symptom . . . . . . . . . 170
Power on and power off problems . . . . . . 171
Memory problems . . . . . . . . . . . . 172
Hard disk drive problems . . . . . . . . . 173
Monitor and video problems . . . . . . . . 175
Keyboard, mouse, or USB-device
problems . . . . . . . . . . . . . . . 176
Optional-device problems . . . . . . . . . 177
Serial-device problems . . . . . . . . . . 179
Intermittent problems . . . . . . . . . . . 179
Power problems . . . . . . . . . . . . . 180
Network problems . . . . . . . . . . . . 180
Observable problems . . . . . . . . . . . 181
Software problems . . . . . . . . . . . . 183
Appendix A. Getting help and
technical assistance . . . . . . . . . . 185
Before you call . . . . . . . . . . . . . . . 185
Collecting service data . . . . . . . . . . . . 186
Contacting Support . . . . . . . . . . . . . 187
Appendix B. Notices. . . . . . . . . . 189
Trademarks . . . . . . . . . . . . . . . . 190
Important notes . . . . . . . . . . . . . . . 190
Telecommunication regulatory statement . . . . . 190
Electronic emission notices . . . . . . . . . . 191
Taiwan BSMI RoHS declaration . . . . . . . 191
Taiwan import and export contact information . . . 191
Index . . . . . . . . . . . . . . . . . . 193