Dell Inspiron 7590 Service Manual page 5

Assigning a system setup password....................................................................................................................... 75
Deleting or changing an existing system setup password................................................................................. 75
Clearing CMOS settings.............................................................................................................................................76
Clearing BIOS (System Setup) and System passwords.....................................................................................76
Updating the BIOS............................................................................................................................................................ 76
Updating the BIOS in Windows environment....................................................................................................... 76
Updating the BIOS using the USB drive in Windows.......................................................................................... 77
Updating the BIOS in Linux and Ubuntu................................................................................................................ 77
Updating the BIOS from the F12 One-Time boot menu..................................................................................... 77
Chapter 5: Troubleshooting......................................................................................................... 79
Handling swollen Lithium-ion batteries........................................................................................................................ 79
SupportAssist diagnostics............................................................................................................................................... 79
System diagnostic lights..................................................................................................................................................80
Built-in self-test (BIST).................................................................................................................................................... 81
M-BIST............................................................................................................................................................................81
LCD Built-in Self Test (BIST).................................................................................................................................... 81
Recovering the operating system................................................................................................................................. 82
Enabling Intel Optane memory....................................................................................................................................... 82
Disabling Intel Optane memory...................................................................................................................................... 82
Flea power release............................................................................................................................................................ 83
Wi-Fi power cycle..............................................................................................................................................................83
Chapter 6: Getting help and contacting Dell................................................................................ 84
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