- 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
Important Information
About this task
NOTE Avoid
using the touchscreen in dusty, hot, or humid environments.
NOTE Sudden change in temperature may cause condensation on the
inner surface of the glass screen, which will disappear after a short
time and does not affect normal usage.
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