Dell OptiPlex 3240 All-in-One Owners Manual - Page 4

Removing the intrusion switch...26 Installing the intrusion switch...27 Removing the On-Screen Display (OSD) buttons board 28 Installing the OSD buttons board...28 Removing the coin cell battery...29 Installing the coin cell battery...29 Removing the processor...29 Installing the processor...30 Removing the system board...30 System Board Layout...33 Installing the system board...34 3 System Setup...35 Boot Sequence...35 Navigation keys...35 System setup options...36 General screen options...36 System configuration screen options 37 Security screen options...39 Secure boot screen options...41 Intel software guard extension options 42 Performance screen options...42 Power management screen options 43 POST behavior screen options...45 Virtualization support screen options 45 Wireless screen options...45 Maintenance screen options...45 Cloud desktop screen options...46 System log screen options...48 Advanced configuration screen options 48 SupportAssist system resolution options 48 Updating the BIOS ...48 System and setup password...49 Assigning a system password and setup password 49 Deleting or changing an existing system and/or setup password 50 4 Technical specifications 51 System specifications...51 Memory specifications...51 Video specifications...52 Audio specifications...52 Communication specifications...52 4