System fan.........................................................................................................................................................................71
Removing the system fan.......................................................................................................................................... 71
Installing the system fan............................................................................................................................................72
System board....................................................................................................................................................................73
Removing system board............................................................................................................................................ 73
Installing the system board........................................................................................................................................77
4 Troubleshooting your computer.................................................................................................................... 81
Enhanced Pre-Boot System Assessment — ePSA diagnostics.................................................................................81
Running the ePSA Diagnostics................................................................................................................................. 81
Diagnostics........................................................................................................................................................................ 81
Diagnostic error messages..............................................................................................................................................83
System error messages...................................................................................................................................................86
5 Getting help.................................................................................................................................................88
Contacting Dell.................................................................................................................................................................88
A Dust Filter for Dell Precision 3430 Small Form Factor .................................................................................89
B Installing the USB Type-C card.................................................................................................................... 91
C Installing the VGA card.............................................................................................................................. 105
D Cable cover for Dell Precision 3430 Small Form Factor.............................................................................. 119
Contents 5