- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 7770
- Base cover
- Battery
- Battery cable
- SIM card
- Compression Attached Memory (CAMM) module
- Memory module
- Memory interposer board
- Wireless Wide Area Network (WWAN) card
- Solid State Drive
- Secondary M.2 solid-state drive
- Heat sink
- GPU card
- GPU power cable
- Power button board
- Power button
- Speakers
- Inner frame
- SD card reader
- System board
- Coin-cell battery
- Display assembly
- Power-adapter port
- Smart-card reader
- Keyboard
- Palm rest
- Drivers and downloads
- BIOS Setup
- Troubleshooting
- Handling swollen rechargeable Li-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System-diagnostic lights
- Recovering the operating system
- Real-Time Clock (RTC Reset)
- Backup media and recovery options
- Wi-Fi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Precision 7770 Service Manual
Installing the keyboard
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
Steps
- Align the tabs on the keyboard with the tabs on the computer chassis at an angle.
- Replace the six (M2x2) screws that secure the keyboard to the computer chassis.
- Replace the 25 (M2x2.5) screws that secure the keyboard support plate to the palmrest.
- Turn-over the system at 90° angle to access the keyboard FPC and the keyboard backlight FPC.
- Lift the latch and connect the keyboard FPC and the keyboard backlight FPC to their connectors on the touchpad module.
NOTE:For models shipped with a keyboard backlight.
- Replace the three (M2x2.5) screws to secure the dummy fin to the palmrest.
Next steps
- Install the system board.
- Install the inner frame.
- Install the heat-sink for discrete graphics.
- Install the secondary solid-state drive.
- Install the solid-state drive.
- Install the WWAN card.
- Install the interposer board module.
- Install the CAMM module or memory module.
- Install the battery.
- Install the SIM card.
- Install the base cover.
- Follow the procedure in after working inside your computer.
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