Dell Chromebook 13-7310 Disassembly And Reassembly Manual page 35

CPU Fan Reassembly Steps
1. Position the CPU fan into its compartment.
2. Tighten the two screws to secure the CPU fan in place.
3. Attach the fan cable into its connector on the system board.
4. Reinstall the pre­removal part(s) in descending order.
CPU Fan Validation Steps
1. Power on the system and ensure there's no warning error message appear during POST.
Heat Sink
The following video contains the brief disassembly procedure, for use by the learner as an additional visual reference.
Heat Sink Disassembly Video