- Notes, cautions, and warnings
- Working on your computer
- Disassembly and reassembly
- Stand
- Cable cover
- Back cover
- Speaker cover
- Solid State Drive — optional
- Hard drive assembly
- Optical drive assembly
- System board shield
- Heat sink
- WLAN card
- Speaker module
- Converter board
- Power supply unit
- Mount bracket
- System fan
- Memory module
- Intrusion switch
- OSD button board
- Coin cell battery
- Processor
- System board
- Display assembly
- System setup
- Boot Sequence
- Navigation keys
- System setup options
- General screen options
- System configuration screen options
- Security screen options
- Secure boot screen options
- Performance screen options
- Power management screen options
- POST behavior screen options
- Virtualization support screen options
- Wireless screen options
- Maintenance screen options
- Cloud desktop screen options
- Updating the BIOS
- System and setup password
- Technical specifications
- System specifications
- Memory specifications
- Video specifications
- Audio specifications
- Communication specifications
- Cards specifications
- Display specifications
- Drives specifications
- Port and connector specifications
- Power specifications
- Camera specifications - optional
- Stand specifications
- Physical specifications
- Environmental specifications
- Contacting Dell
Dell OptiPlex 7440 All-In-One Owner's Manual
Installing the speaker cover
Steps
- Align and push the speaker cover to pop tabs into its position on the back of the computer.
- Tighten the screws to secure the speaker cover to the computer.
- Install the:
- Follow the procedure in After Working Inside Your Computer.
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