Dell Latitude 5430 Chromebook Service Manual - Page 4
Troubleshooting, Chrome OS Pre-Boot Diagnostics
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Page 4 highlights
Volume-control board...37 Removing the volume-control board...37 Installing the volume-control board...37 Power-button board...38 Removing the power-button board...38 Installing the power-button board...39 Fan...40 Removing the fan...40 Installing the fan...41 HeatSink...42 Removing the heat sink...42 Installing the heat sink...43 Display assembly...44 Removing the display assembly...44 Installing the display assembly...46 System board...49 Removing the system board...49 Installing the system board...52 Palm-rest and keyboard assembly...55 Removing the palm-rest and keyboard assembly 55 Installing the palm-rest and keyboard assembly 56 Chapter 3: Troubleshooting...58 Handling swollen Lithium-ion batteries...58 Chrome Shell (CROSH)...58 Recovering the operating system...59 WiFi power cycle...59 Drain residual flea power (perform hard reset)...59 Chrome OS Pre-Boot Diagnostics ...60 Chapter 4: Getting help and contacting Dell 61 4 Contents
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Volume-control board
.......................................................................................................................................................
37
Removing the volume-control board
......................................................................................................................
37
Installing the volume-control board
.........................................................................................................................
37
Power-button board
.........................................................................................................................................................
38
Removing the power-button board
.........................................................................................................................
38
Installing the power-button board
...........................................................................................................................
39
Fan
........................................................................................................................................................................................
40
Removing the fan
........................................................................................................................................................
40
Installing the fan
...........................................................................................................................................................
41
HeatSink
..............................................................................................................................................................................
42
Removing the heat sink
..............................................................................................................................................
42
Installing the heat sink
................................................................................................................................................
43
Display assembly
................................................................................................................................................................
44
Removing the display assembly
...............................................................................................................................
44
Installing the display assembly
..................................................................................................................................
46
System board
.....................................................................................................................................................................
49
Removing the system board
.....................................................................................................................................
49
Installing the system board
.......................................................................................................................................
52
Palm-rest and keyboard assembly
................................................................................................................................
55
Removing the palm-rest and keyboard assembly
................................................................................................
55
Installing the palm-rest and keyboard assembly
..................................................................................................
56
Chapter 3: Troubleshooting
.........................................................................................................
58
Handling swollen Lithium-ion batteries
........................................................................................................................
58
Chrome Shell (CROSH)
...................................................................................................................................................
58
Recovering the operating system
.................................................................................................................................
59
WiFi power cycle
...............................................................................................................................................................
59
Drain residual flea power (perform hard reset)
.........................................................................................................
59
Chrome OS Pre-Boot Diagnostics
.........................................................................................................................
60
Chapter 4: Getting help and contacting Dell
.................................................................................
61
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Contents