Lenovo ThinkAgile VX7820 User Manual page 5

Storage board assembly replacement . . . . . . 224
Remove a storage board assembly . . . . . 224
Install a storage board assembly . . . . . . 225
Storage interposer replacement . . . . . . . . 226
Remove a storage interposer (upper tray) . . . 226
Remove a storage interposer (lower tray) . . . 228
Install a storage interposer (upper tray) . . . . 229
Install a storage interposer (lower tray) . . . . 230
Storage tray replacement . . . . . . . . . . . 232
Remove a storage tray . . . . . . . . . . 232
Install the storage tray (fully removed) . . . . 234
TCM/TPM adapter replacement (for Chinese
Mainland only) . . . . . . . . . . . . . . . 235
Remove the TCM/TPM adapter (for Chinese
Mainland only) . . . . . . . . . . . . . 235
Install the TCM/TPM adapter (for Chinese
Mainland only) . . . . . . . . . . . . . 236
Upper tray filler replacement . . . . . . . . . . 237
Remove the upper tray filler . . . . . . . . 237
Install the upper tray filler . . . . . . . . . 239
Complete the parts replacement . . . . . . . . 240
Chapter 10. Problem
determination . . . . . . . . . . . . . 243
Event logs . . . . . . . . . . . . . . . . . 243
Light path diagnostics . . . . . . . . . . . . 245
Power supply LEDs . . . . . . . . . . . 247
System-board LEDs . . . . . . . . . . . 249
General problem determination procedures . . . . 249
Resolving suspected power problems . . . . 250
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 250
Troubleshooting by symptom . . . . . . . . . 251
Power on and power off problems . . . . . . 251
Processor problems . . . . . . . . . . . 253
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Memory problems . . . . . . . . . . . . 253
Hard disk drive problems . . . . . . . . . 255
Monitor and video problems . . . . . . . . 257
Keyboard, mouse, or USB-device
problems . . . . . . . . . . . . . . . 258
Optional-device problems . . . . . . . . . 259
Serial-device problems . . . . . . . . . . 260
Intermittent problems . . . . . . . . . . . 261
Power problems . . . . . . . . . . . . . 262
Network problems . . . . . . . . . . . . 262
Observable problems . . . . . . . . . . . 263
Software problems . . . . . . . . . . . . 265
Appendix A. Hardware
disassembling for recycle . . . . . . . 267
Disassemble the system board for recycle . . . . 267
Disassemble the system board filler for recycle . . 268
Disassemble the front cover for recycle . . . . . 268
Appendix B. Getting help and
technical assistance . . . . . . . . . . 271
Before you call . . . . . . . . . . . . . . . 271
Collecting service data . . . . . . . . . . . . 272
Contacting Support . . . . . . . . . . . . . 273
Appendix C. Notices. . . . . . . . . . 275
Trademarks . . . . . . . . . . . . . . . . 276
Important notes . . . . . . . . . . . . . . . 276
Particulate contamination . . . . . . . . . . . 276
Telecommunication regulatory statement . . . . . 277
Electronic emission notices . . . . . . . . . . 277
Taiwan BSMI RoHS declaration . . . . . . . 278
Taiwan import and export contact information . . . 278
Index . . . . . . . . . . . . . . . . . . 279
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