Dell Inspiron 15 3515 Series Service Manual page 5

System setup options....................................................................................................................................................... 74
System and setup password........................................................................................................................................... 77
Assigning a system setup password....................................................................................................................... 78
Deleting or changing an existing system setup password................................................................................. 78
Clearing BIOS (System Setup) and System passwords.....................................................................................78
Chapter 5: Troubleshooting.........................................................................................................80
Handling swollen Lithium-ion batteries........................................................................................................................ 80
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................80
Running the SupportAssist Pre-Boot System Performance Check.................................................................81
System diagnostic lights...................................................................................................................................................81
WiFi power cycle............................................................................................................................................................... 82
Updating your system BIOS using a USB flash drive............................................................................................... 83
Drain residual flea power (perform hard reset)......................................................................................................... 83
Chapter 6: Getting help and contacting Dell................................................................................ 85
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