Dell XPS 15 9500 Service Manual - Page 4

Drivers and downloads, System setup, Troubleshooting

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Installing the display assembly...36 System board...39 Removing the system board...39 Installing the system board...41 Palm-rest and keyboard assembly...45 Removing the palm-rest and keyboard assembly...45 Installing the palm-rest and keyboard assembly...46 Chapter 3: Drivers and downloads 47 Chapter 4: System setup...48 Entering BIOS setup program...48 Navigation keys...48 Boot Sequence...48 One time boot menu...49 System setup options...49 Clearing CMOS settings...58 Clearing BIOS (System Setup) and System passwords 58 Chapter 5: Troubleshooting...60 SupportAssist diagnostics...60 Built-in self-test (BIST)...60 System board built-in self-test (M-BIST)...61 Display panel power rail built-in self-test (L-BIST)...61 Display panel built-in self-test (LCD-BIST)...62 Outcome...62 System diagnostic lights...63 Recovering the operating system...64 Flashing the BIOS...64 Flashing BIOS (USB key)...64 Backup media and recovery options...65 WiFi power cycle...65 Flea power release...65 Chapter 6: Getting help and contacting Dell 66 4 Contents

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Installing the display assembly
......................................................................................................................................
36
System board
.......................................................................................................................................................................
39
Removing the system board
........................................................................................................................................
39
Installing the system board
............................................................................................................................................
41
Palm-rest and keyboard assembly
....................................................................................................................................
45
Removing the palm-rest and keyboard assembly
......................................................................................................
45
Installing the palm-rest and keyboard assembly
........................................................................................................
46
Chapter 3: Drivers and downloads
...................................................................................................
47
Chapter 4: System setup
...............................................................................................................
48
Entering BIOS setup program
............................................................................................................................................
48
Navigation keys
....................................................................................................................................................................
48
Boot Sequence
....................................................................................................................................................................
48
One time boot menu
...........................................................................................................................................................
49
System setup options
.........................................................................................................................................................
49
Clearing CMOS settings
.....................................................................................................................................................
58
Clearing BIOS (System Setup) and System passwords
.................................................................................................
58
Chapter 5: Troubleshooting
...........................................................................................................
60
SupportAssist diagnostics
..................................................................................................................................................
60
Built-in self-test (BIST)
......................................................................................................................................................
60
System board built-in self-test (M-BIST)
...................................................................................................................
61
Display panel power rail built-in self-test (L-BIST)
....................................................................................................
61
Display panel built-in self-test (LCD-BIST)
................................................................................................................
62
Outcome
.........................................................................................................................................................................
62
System diagnostic lights
.....................................................................................................................................................
63
Recovering the operating system
.....................................................................................................................................
64
Flashing the BIOS
................................................................................................................................................................
64
Flashing BIOS (USB key)
....................................................................................................................................................
64
Backup media and recovery options
.................................................................................................................................
65
WiFi power cycle
.................................................................................................................................................................
65
Flea power release
..............................................................................................................................................................
65
Chapter 6: Getting help and contacting Dell
....................................................................................
66
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Contents