Dell 14" Mobile Precision 3470 Mobile Workstation (Silver) - Manual (Page 32)

Steps
1. Unroute the antenna cables from the routing guides on the assembly inner frame.
2. Remove the two screws (M2x5) and seven screws (M2x3) that secure the assembly inner frame to the system board and
the palm-rest assembly.
3. Lift the assembly inner frame off the system board and the palm-rest assembly.
32 Removing and installing components