Dell Latitude 5550 - Page 6

Display cable..................................................................................................................................................................... 126
Removing the display cable.....................................................................................................................................126
Installing the display cable....................................................................................................................................... 127
Sensor board.....................................................................................................................................................................128
Removing the sensor board.....................................................................................................................................128
Installing the sensor board.......................................................................................................................................129
Fingerprint reader (optional)........................................................................................................................................ 130
Removing the fingerprint reader (optional)........................................................................................................ 130
Installing the fingerprint reader (optional)........................................................................................................... 131
Smart-card reader........................................................................................................................................................... 133
Removing the smart-card reader...........................................................................................................................133
Installing the smart-card reader............................................................................................................................. 133
Dummy SIM-card slot filler............................................................................................................................................134
Removing the dummy SIM-card slot filler........................................................................................................... 134
Installing the dummy SIM-card slot filler..............................................................................................................135
Palm-rest assembly......................................................................................................................................................... 136
Removing the palm-rest assembly.........................................................................................................................136
Installing the palm-rest assembly...........................................................................................................................138
Chapter 7: Software...................................................................................................................140
Operating system............................................................................................................................................................ 140
Drivers and downloads................................................................................................................................................... 140
Chapter 8: BIOS Setup............................................................................................................... 141
Entering BIOS setup program........................................................................................................................................141
Navigation keys.................................................................................................................................................................141
F12 One Time Boot menu............................................................................................................................................... 141
View Advanced Setup options......................................................................................................................................142
View Service options...................................................................................................................................................... 142
System Setup options.....................................................................................................................................................142
Updating the BIOS...........................................................................................................................................................163
Updating the BIOS in Windows.............................................................................................................................. 163
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 164
Updating the BIOS using the USB drive in Windows........................................................................................ 164
Updating the BIOS from the F12 One-Time boot menu................................................................................... 164
System and setup password.........................................................................................................................................165
Assigning a System Setup password.................................................................................................................... 165
Deleting or changing an existing system setup password............................................................................... 166
Clearing CMOS settings.................................................................................................................................................166
Clearing BIOS (System Setup) and System passwords.........................................................................................166
Chapter 9: Troubleshooting........................................................................................................167
Handling swollen rechargeable Li-ion batteries........................................................................................................ 167
Locate the Service Tag or Express Service Code of your Dell computer .........................................................167
Dell SupportAssist Pre-boot System Performance Check diagnostics..............................................................168
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 168
Built-in self-test (BIST)..................................................................................................................................................168
M-BIST......................................................................................................................................................................... 168
LCD Power rail test (L-BIST)................................................................................................................................. 169
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