Dell Precision 5550 Service Manual - Page 4
Clearing BIOS System Setup and System passwords, Flashing BIOS USB key - drivers
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Page 4 highlights
Removing the system board...39 Installing the system board...41 Palm-rest and keyboard assembly...44 Removing the palm-rest and keyboard assembly...44 Installing the palm-rest and keyboard assembly...45 3 Drivers and downloads...46 4 System setup...47 Entering BIOS setup program...47 Navigation keys...47 Boot Sequence...48 One time boot menu...48 System setup options...48 Clearing CMOS settings...57 Clearing BIOS (System Setup) and System passwords 58 5 Troubleshooting...59 System diagnostic lights...59 SupportAssist diagnostics...60 Recovering the operating system...60 Flashing the BIOS...60 Flea power release...61 WiFi power cycle...61 Flashing BIOS (USB key)...61 Backup media and recovery options...62 6 Getting help and contacting Dell 63 4 Contents
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Removing the system board
........................................................................................................................................
39
Installing the system board
............................................................................................................................................
41
Palm-rest and keyboard assembly
.....................................................................................................................................
44
Removing the palm-rest and keyboard assembly
......................................................................................................
44
Installing the palm-rest and keyboard assembly
........................................................................................................
45
3 Drivers and downloads
................................................................................................................
46
4 System setup
.............................................................................................................................
47
Entering BIOS setup program
............................................................................................................................................
47
Navigation keys
....................................................................................................................................................................
47
Boot Sequence
....................................................................................................................................................................
48
One time boot menu
...........................................................................................................................................................
48
System setup options
.........................................................................................................................................................
48
Clearing CMOS settings
.....................................................................................................................................................
57
Clearing BIOS (System Setup) and System passwords
.................................................................................................
58
5 Troubleshooting
.........................................................................................................................
59
System diagnostic lights
.....................................................................................................................................................
59
SupportAssist diagnostics
..................................................................................................................................................
60
Recovering the operating system
.....................................................................................................................................
60
Flashing the BIOS
................................................................................................................................................................
60
Flea power release
...............................................................................................................................................................
61
WiFi power cycle
..................................................................................................................................................................
61
Flashing BIOS (USB key)
....................................................................................................................................................
61
Backup media and recovery options
.................................................................................................................................
62
6 Getting help and contacting Dell
..................................................................................................
63
4
Contents