Dell OptiPlex 3070 Small Form Factor Service Manual page 5

Memory module................................................................................................................................................................... 87
Removing memory module........................................................................................................................................... 87
Installing the memory module...................................................................................................................................... 88
Heatsink fan......................................................................................................................................................................... 89
Removing heatsink fan..................................................................................................................................................89
Installing the heatsink fan............................................................................................................................................. 90
Heatsink assembly................................................................................................................................................................91
Removing heatsink assembly........................................................................................................................................ 91
Installing heatsink assembly..........................................................................................................................................92
Intrusion switch....................................................................................................................................................................93
Removing intrusion switch........................................................................................................................................... 93
Installing the intrusion switch.......................................................................................................................................94
Power switch....................................................................................................................................................................... 95
Removing power switch............................................................................................................................................... 95
Installing the power switch...........................................................................................................................................96
Processor..............................................................................................................................................................................97
Removing processor......................................................................................................................................................97
Installing the processor................................................................................................................................................. 98
M.2 PCIe SSD ..................................................................................................................................................................... 99
Removing the M.2 PCIe SSD ......................................................................................................................................99
Installing the M.2 PCIe SSD........................................................................................................................................100
Power supply unit............................................................................................................................................................... 101
Removing power supply unit or PSU..........................................................................................................................101
Installing the power supply unit or PSU.................................................................................................................... 103
Speaker............................................................................................................................................................................... 105
Removing speaker........................................................................................................................................................105
Installing the speaker................................................................................................................................................... 106
5 Troubleshooting........................................................................................................................108
Enhanced Pre-Boot System Assessment - ePSA diagnostics..................................................................................108
Running the ePSA Diagnostics...................................................................................................................................108
Diagnostics..........................................................................................................................................................................108
Diagnostic error messages................................................................................................................................................ 110
System error messages......................................................................................................................................................113
6 Getting help.............................................................................................................................. 114
Contacting Dell....................................................................................................................................................................114
Contents 5