Dell Inspiron 15 5000 Service Manual page 8

System setup options......................................................................................................................................................... 88
57 System and setup password...................................................................................................... 93
Assigning a system password and setup password........................................................................................................ 93
Deleting or changing an existing system and or setup password................................................................................. 93
Clearing CMOS settings..................................................................................................................................................... 94
Clearing forgotten passwords............................................................................................................................................94
58 Troubleshooting....................................................................................................................... 95
Flashing the BIOS................................................................................................................................................................95
Flashing BIOS (USB key)................................................................................................................................................... 95
Intel Optane memory (Optional)....................................................................................................................................... 95
Enabling Intel Optane memory.....................................................................................................................................95
Disabling Intel Optane memory.................................................................................................................................... 96
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................96
Running the ePSA diagnostics.....................................................................................................................................96
System diagnostic lights.....................................................................................................................................................96
Flea power release...............................................................................................................................................................97
Wi-Fi power cycle................................................................................................................................................................98
59 Getting help and contacting Dell................................................................................................ 99
8 Contents