Dell Latitude 5285 Owner's Manual page 5

Chapter 4: System setup............................................................................................................. 49
Accessing System Setup BIOS...................................................................................................................................... 49
Entering BIOS without keyboard................................................................................................................................... 49
System setup options.......................................................................................................................................................49
General screen options.............................................................................................................................................. 50
System Configuration screen options.................................................................................................................... 50
Video screen options.................................................................................................................................................. 52
Security screen options............................................................................................................................................. 52
Secure Boot screen options......................................................................................................................................53
Intel software guard extensions screen options.................................................................................................. 53
Performance screen options.....................................................................................................................................54
Power management screen options....................................................................................................................... 54
POST Behavior screen options................................................................................................................................ 55
Virtualization support screen options.....................................................................................................................56
Wireless screen options............................................................................................................................................. 56
Maintenance screen options.....................................................................................................................................56
System logs screen options...................................................................................................................................... 57
Updating the BIOS ........................................................................................................................................................... 57
System and setup password...........................................................................................................................................57
Assigning a system password and setup password............................................................................................ 58
Deleting or changing an existing system and or setup password....................................................................58
Chapter 5: Troubleshooting.........................................................................................................59
Enhanced Pre-boot System Assessment - ePSA......................................................................................................59
Running the ePSA Diagnostic Utility ..................................................................................................................... 59
LCD Built-in Self Test - BIST ........................................................................................................................................ 59
Method 1 - Run the laptop LCD built-in self test - BIST .................................................................................. 60
Method 2 - Run the laptop LCD built-in self test - BIST ................................................................................. 60
Method 3 - Run the laptop LCD built-in self test - BIST ................................................................................. 60
Tablet LED........................................................................................................................................................................... 61
Real Time Clock reset....................................................................................................................................................... 61
Identifying the AC adapter shipped with your tablet................................................................................................62
Chapter 6: Contacting Dell.......................................................................................................... 63
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