- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Latitude 3340
- Base cover
- Battery
- Battery cable
- M.2 solid state drive
- Wireless card
- Fan
- Coin-cell battery
- Display assembly
- I/O board
- Power-button board
- Power button with optional fingerprint reader
- Touchpad
- Power-adapter port
- Speakers
- Heat sink
- System board
- Palm-rest and keyboard assembly
- 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
Latitude 3340/Latitude 3340 2-in-1 Service Manual
Removing the palm-rest and keyboard assembly
Prerequisites
- Follow the procedure in Before working inside your computer.
- Remove the base cover.
- Remove the battery.
- Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
- Remove the wireless card.
- Remove the thermal fan.
- Remove the thermal heat-sink.
- Remove the coin-cell battery.
- Remove the display assembly.
- Remove the I/O board.
- Remove the power button or the power button with fingerprint reader, whichever applicable.
- Remove the speakers.
- Remove the touchpad.
- Remove the
system board.
NOTE:The system board can be removed with the thermal heat-sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and the thermal heat-sink.
- Remove the power-adapter port.
About this task
NOTE:The palm-rest assembly cannot be further disassembled once all the pre-removal parts procedures are completed. If the keyboard is malfunctioning and is required to be replaced, replace the entire palm-rest assembly.
The image below shows the palm-rest assembly after the pre-removal parts procedures have been performed for any palm-rest assembly replacement.
Steps
After performing the pre-requisites, you are left with the palm-rest and keyboard assembly.
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