- Notes, cautions, and warnings
- Working on your computer
- Disassembly and reassembly
- SD card
- Battery cover
- Battery
- Hard drive
- Hard drive cable connector
- Keyboard lattice and Keyboard
- Memory modules
- Base cover
- WWAN card
- WLAN card
- Solid State Drive
- Coin-cell battery
- Power connector port
- Palm rest
- Fingerprint reader
- Power switch board
- ExpressCard Reader
- USB board
- Input-Output board
- Heat sink
- Graphics card
- System board
- LED board
- Speaker
- Display assembly
- Display bezel
- Display panel
- Display bracket
- Display hinges
- Display cover
- eDP cable
- Camera
- Technology and components
- System specifications
- System setup
- Software
- Troubleshooting
- Contacting Dell
Dell Precision 7720 Owner's Manual
AC adpter
- Features
- Specification
- Input voltage
- 100 VAC to 240 VAC
- Input current (maximum)
- 3.50 A
- Input frequency
- 50 Hz to 60 Hz
- Output power
- 240 W
- Output current
- 12.31 A
- Rated output voltage
- 19.50 VDC
- Dimensions:
- 240 W
- Height
- 25.40 mm (1 inch)
- Width
- 200 mm (7.87 inches)
- Depth
- 100 mm (3.94 inches)
- Weight
- 0.85 kg (1.88 lb)
- Temperature range:
- Operating
- 0°C to 40°C (32°F to 104°F)
- Non-Operating
- –40°C to 70°C (–40°F to 158°F)
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