- Notes, cautions, and warnings
- Working on your computer
- Chassis overview
- Disassembly and reassembly
- Stand
- Cable cover
- Side Cover
- Optical drive
- Power and On-Screen Display buttons board
- Speaker cover
- Hard drive
- System board shield
- Memory modules
- Solid State Drive
- Coin-cell battery
- WLAN card
- Heat sink
- Speaker
- Power supply unit
- VESA mount bracket
- Converter board
- System fan
- Intrusion switch
- Processor
- System board
- Chassis frame
- Display panel
- Camera
- M.2 Intel Optane Memory Module 16 GB
- Technology and components
- System setup
- Boot Sequence
- Navigation keys
- System setup options
- System setup options
- General screen options
- System configuration screen options
- Security screen options
- Secure boot screen options
- Intel Software Guard Extensions options
- Performance screen options
- Power management screen options
- POST behavior screen options
- Virtualization support screen options
- Maintenance screen options
- System Log screen options
- Updating the BIOS
- System and setup password
- Troubleshooting your computer
- Technical specifications
- Processors
- Memory specifications
- Video specifications
- Audio specifications
- Communication specifications
- Cards specifications
- Display specifications
- Drives specifications
- Port and connector specifications
- Power specifications
- Camera specifications - optional
- VESA wall mount
- Physical specifications
- Environmental specifications
- Contacting Dell
Dell OptiPlex 7450 All-In-One Owner's Manual
Boot Sequence
Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can:
- Access System Setup by pressing F2 key
- Bring up the one-time boot menu by pressing F12 key.
The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are:
- Removable Drive (if available)
- STXXXX Drive
NOTE: XXXX denotes the SATA drive number.
- Optical Drive (if available)
- SATA Hard Drive (if available)
- Diagnostics
NOTE: Choosing Diagnostics, displays the SupportAssist screen.
The boot sequence screen also displays the option to access the System Setup screen.
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