Chapter 5: Troubleshooting.........................................................................................................80
Handling swollen Lithium-ion batteries........................................................................................................................ 80
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................ 81
Running the SupportAssist Pre-Boot System Performance Check.................................................................81
System diagnostic lights...................................................................................................................................................81
Recovering the operating system................................................................................................................................. 83
Updating the BIOS using the USB drive in Windows............................................................................................... 83
Updating the BIOS in Windows......................................................................................................................................83
Backup media and recovery options.............................................................................................................................84
WiFi power cycle............................................................................................................................................................... 84
Drain residual flea power (perform hard reset)......................................................................................................... 84
Chapter 6: Getting help and contacting Dell................................................................................ 85
Contents
5