Dell Vostro 5390 - Page 5

Video................................................................................................................................................................................41
Security...........................................................................................................................................................................41
Secure boot...................................................................................................................................................................42
Intel Software Guard Extensions.............................................................................................................................43
Performance................................................................................................................................................................. 43
Power management.................................................................................................................................................... 44
POST behavior............................................................................................................................................................. 44
Virtualization support................................................................................................................................................. 45
Wireless..........................................................................................................................................................................45
Maintenance screen....................................................................................................................................................46
System logs...................................................................................................................................................................46
SupportAssist System Resolution........................................................................................................................... 46
Updating the BIOS............................................................................................................................................................ 47
Updating the BIOS in Windows................................................................................................................................ 47
Updating the BIOS in Linux and Ubuntu................................................................................................................ 47
Updating the BIOS using the USB drive in Windows..........................................................................................47
Updating the BIOS from the F12 One-Time boot menu.....................................................................................48
System and setup password...........................................................................................................................................48
Assigning a system setup password....................................................................................................................... 49
Deleting or changing an existing system setup password.................................................................................49
Clearing CMOS settings.................................................................................................................................................. 49
Clearing BIOS (System Setup) and System passwords.......................................................................................... 50
Chapter 5: Troubleshooting......................................................................................................... 51
Handling swollen Lithium-ion batteries.........................................................................................................................51
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................52
Running the SupportAssist Pre-Boot System Performance Check................................................................52
Built-in self-test (BIST)................................................................................................................................................... 52
M-BIST...........................................................................................................................................................................52
LCD Power rail test (L-BIST)................................................................................................................................... 53
LCD Built-in Self Test (BIST)................................................................................................................................... 53
System-diagnostic lights................................................................................................................................................. 54
Real-Time Clock (RTC Reset)........................................................................................................................................54
Recovering the operating system................................................................................................................................. 55
Backup media and recovery options.............................................................................................................................55
WiFi power cycle............................................................................................................................................................... 55
Drain residual flea power (perform hard reset)......................................................................................................... 55
Chapter 6: Getting help and contacting Dell................................................................................ 57
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