- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Inspiron 14 5402
- Base cover
- Battery
- Memory module
- Solid-state drive—M.2 slot one
- Solid-state drive—M.2 slot two
- Removing the M.2 2230 solid-state drive from M.2 slot two
- Installing the M.2 2230 solid-state drive in M.2 slot two
- Removing the M.2 2280 solid-state drive/Intel Optane storage from M.2 slot two
- Installing the M.2 2280 solid-state drive/Intel Optane storage in M.2 slot two
- Installing the solid-state drive bracket
- WLAN card
- Fan
- Coin-cell battery
- Power-adapter port
- Display assembly
- I/O board
- Touchpad
- Speakers
- Heat sink
- Power button with optional fingerprint reader
- System board
- Palm-rest and keyboard assembly
- Drivers and downloads
- System setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Locate the Service Tag or Express Service Code of your Dell computer
- SupportAssist diagnostics
- Built-in self-test (BIST)
- Recovering the operating system
- System diagnostic lights
- Enabling Intel Optane memory
- Disabling Intel Optane memory
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Inspiron 14 5402 Service Manual
Removing the heat sink (for discrete GPU)
Prerequisites
- Follow the procedure in Before working inside your computer.
- Remove the base cover.
About this task
CAUTION For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease.
NOTE The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
The following images indicate the location of the heat sink and provide a visual representation of the removal procedure.
Steps
- In the reverse order (7>6>5>4>3>2>1), loosen the seven captive screws (M2x5.85) that secure the heat sink to the system board.
NOTE The number of screws varies depending on the configuration ordered.
- Lift the heat sink off the system board.
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