- Notes, cautions, and warnings
- Working on your computer
- Removing and installing components
- Software
- 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 7420/Latitude 7420 2-in-1 Service Manual
Installing the heatsink assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the heatsink assembly and provides a visual representation of the installation procedure.
Steps
- Align and place the heatsink assembly into its slot in the computer.
- Replace the two (M2x2.5) screws on the fan casing and four (M2x2.5) screws (in sequential order, 1->2->3->4) to secure the heatsink assembly to the computer.
- Connect the fan cable to the system board.
Next steps
- Install the base cover.
- Install the microSD card.
- Follow the procedure in after working inside your computer.
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