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Dell EMC Latitude 5420 - Page 4

Dell EMC Latitude 5420
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Operating system.............................................................................................................................................................. 86
Downloading the drivers.................................................................................................................................................. 86
Chapter 5: System setup............................................................................................................. 87
BIOS overview....................................................................................................................................................................87
Entering BIOS setup program........................................................................................................................................ 87
Navigation keys..................................................................................................................................................................87
Boot Sequence...................................................................................................................................................................88
System setup options.......................................................................................................................................................88
System and setup password...........................................................................................................................................97
Assigning a system setup password....................................................................................................................... 98
Deleting or changing an existing system setup password.................................................................................98
Chapter 6: Troubleshooting.........................................................................................................99
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................99
Running the SupportAssist Pre-Boot System Performance Check................................................................99
System diagnostic lights................................................................................................................................................ 100
Recovering the operating system................................................................................................................................ 101
Flashing BIOS (USB key)................................................................................................................................................101
Flashing the BIOS............................................................................................................................................................ 102
WiFi power cycle..............................................................................................................................................................102
Flea power release...........................................................................................................................................................102
Chapter 7: Getting help and contacting Dell...............................................................................103
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