Installing the heat sink 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
Chapter 4: Troubleshooting
.........................................................................................................
66
Enhanced Pre-Boot System Assessment — ePSA diagnostics
............................................................................
66
Running the ePSA Diagnostics
.................................................................................................................................
66
Power-Supply Unit Built-in Self-Test
..........................................................................................................................
67
Diagnostics
..........................................................................................................................................................................
67
Diagnostic error messages
..............................................................................................................................................
68
System error messages
....................................................................................................................................................
71
Recovering the operating system
..................................................................................................................................
72
Real-Time Clock (RTC Reset)
........................................................................................................................................
72
Backup media and recovery options
.............................................................................................................................
72
WiFi power cycle
................................................................................................................................................................
72
Chapter 5: Getting help
...............................................................................................................
73
Contacting Dell
...................................................................................................................................................................
73
4
Contents