Dell Latitude 5490, Owner'S Manual

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5 System setup options...................................................................................................................................71
Boot Sequence..................................................................................................................................................................71
Navigation keys................................................................................................................................................................ 72
System Setup overview.................................................................................................................................................. 72
Accessing System Setup.................................................................................................................................................72
General screen options....................................................................................................................................................72
System Configuration screen options............................................................................................................................73
Video screen options........................................................................................................................................................74
Security screen options................................................................................................................................................... 74
Secure Boot screen options............................................................................................................................................76
Intel Software Guard Extensions.................................................................................................................................... 77
Performance screen options...........................................................................................................................................77
Power Management screen options..............................................................................................................................78
POST Behavior screen options...................................................................................................................................... 79
Manageability................................................................................................................................................................... 80
Virtualization support screen options............................................................................................................................80
Wireless screen options................................................................................................................................................... 81
Maintenance screen options........................................................................................................................................... 81
6 Software......................................................................................................................................................83
Operating system configurations................................................................................................................................... 83
Downloading drivers........................................................................................................................................................ 83
Chipset driver............................................................................................................................................................. 83
Serial IO driver............................................................................................................................................................ 84
Graphics controller driver..........................................................................................................................................84
USB drivers.................................................................................................................................................................84
Network drivers......................................................................................................................................................... 85
Realtek Audio..............................................................................................................................................................85
Serial ATA drivers....................................................................................................................................................... 85
Security drivers.......................................................................................................................................................... 86
7 Troubleshooting............................................................................................................................................87
Enhanced Pre-Boot System Assessment — ePSA diagnostics................................................................................ 87
Running the ePSA diagnostics................................................................................................................................. 87
Real Time Clock reset...................................................................................................................................................... 87
8 Contacting Dell............................................................................................................................................ 89
6 Contents