Dell OptiPlex 5070 Small Form Factor Service Manual page 4

Memory module................................................................................................................................................................... 38
Removing memory module...........................................................................................................................................38
Installing the memory module...................................................................................................................................... 39
Heatsink fan......................................................................................................................................................................... 40
Removing heatsink fan..................................................................................................................................................40
Installing the heatsink fan.............................................................................................................................................. 41
Heatsink assembly............................................................................................................................................................... 42
Removing heatsink assembly....................................................................................................................................... 42
Installing heatsink assembly..........................................................................................................................................43
Intrusion switch....................................................................................................................................................................44
Removing intrusion switch........................................................................................................................................... 44
Installing the intrusion switch.......................................................................................................................................45
Power switch....................................................................................................................................................................... 46
Removing power switch............................................................................................................................................... 46
Installing the power switch........................................................................................................................................... 47
Processor..............................................................................................................................................................................48
Removing processor......................................................................................................................................................48
Installing the processor................................................................................................................................................. 49
M.2 PCIe SSD .....................................................................................................................................................................50
Removing the M.2 PCIe SSD ......................................................................................................................................50
Installing the M.2 PCIe SSD.......................................................................................................................................... 51
Power supply unit................................................................................................................................................................ 52
Removing power supply unit or PSU.......................................................................................................................... 52
Installing the power supply unit or PSU......................................................................................................................54
Speaker.................................................................................................................................................................................56
Removing speaker......................................................................................................................................................... 56
Installing the speaker.....................................................................................................................................................57
System board.......................................................................................................................................................................58
Removing system board............................................................................................................................................... 58
Installing the system board...........................................................................................................................................62
4 Troubleshooting......................................................................................................................... 66
Enhanced Pre-Boot System Assessment - ePSA diagnostics................................................................................... 66
Running the ePSA Diagnostics.................................................................................................................................... 66
Diagnostics........................................................................................................................................................................... 66
Diagnostic error messages................................................................................................................................................. 68
System error messages....................................................................................................................................................... 71
5 Getting help...............................................................................................................................72
Contacting Dell.....................................................................................................................................................................72
4 Contents