- Notes, cautions, and warnings
- Working on your computer
- Removing and
installing components
- Removing the stand
- Installing the stand
- Removing the cable cover
- Installing the cable cover
- Removing the back cover
- Installing the back cover
- Removing the speaker cover
- Installing the speaker cover
- Removing the hard-drive assembly
- Installing the hard-drive assembly
- Removing the optical-drive assembly
- Installing the optical-drive assembly
- Removing the system-board shield
- Installing the system-board shield
- Removing the heat sink
- Installing the heat sink
- Removing the WLAN card
- Installing the WLAN card
- Removing the speaker module
- Installing the speaker module
- Removing the converter board
- Installing the converter board
- Removing the Power Supply Unit (PSU)
- Installing the Power Supply Unit (PSU)
- Removing the VESA mount bracket
- Installing the VESA mount bracket
- Removing the processor fan
- Installing the processor fan
- Removing the memory module
- Installing the memory module
- Removing the intrusion switch
- Installing the intrusion switch
- Removing the On-Screen Display (OSD) buttons board
- Installing the OSD buttons board
- Removing the coin cell battery
- Installing the coin cell battery
- Removing the processor
- Installing the processor
- Removing the system board
- System Board Layout
- Installing the system board
- System Setup
- Boot Sequence
- Navigation keys
- System setup options
- General screen options
- System configuration screen options
- Security screen options
- Secure boot screen options
- Intel software guard extension 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
- System log screen options
- Advanced configuration screen options
- SupportAssist system resolution 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 (optional) specifications
- Stand specifications
- Physical specifications
- Environmental specifications
- Contacting Dell
Dell OptiPlex 3240 All-In-One Owner's Manual
Installing the OSD buttons board
- Connect the OSD buttons cable to the OSD buttons board.
- Affix the tape on the OSD buttons board.
- Insert the OSD buttons board into the slot.
- Align the metal plate on the OSD buttons board.
- Tighten the screw to secure the OSD buttons board.
- Install the:
- Follow the procedure in After Working Inside Your Computer .
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