Updating the BIOS in Windows and Linux.............................................................................................................95
Updating the BIOS using the USB drive in Windows......................................................................................... 95
Updating the BIOS from the F12 One-Time boot menu.................................................................................... 95
System and setup password...........................................................................................................................................96
Assigning a system setup password....................................................................................................................... 97
Deleting or changing an existing system setup password.................................................................................97
Clearing CMOS settings.................................................................................................................................................. 97
Clearing BIOS (System Setup) and System passwords.......................................................................................... 98
Chapter 5: Troubleshooting.........................................................................................................99
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................99
Running the SupportAssist Pre-Boot System Performance Check................................................................99
Power-Supply Unit Built-in Self-Test ..........................................................................................................................99
System-diagnostic lights................................................................................................................................................100
Recovering the operating system................................................................................................................................103
Real Time Clock—RTC reset........................................................................................................................................104
Backup media and recovery options........................................................................................................................... 104
Wi-Fi power cycle............................................................................................................................................................104
Chapter 6: Getting help and contacting Dell...............................................................................105
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