Dell 14" Mobile Precision 3470 Mobile Workstation (Silver) - Manual (Page 24)

NOTE: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.
2. Remove the microSD card .
3. Remove the base cover .
About this task
NOTE: Depending on the configuration ordered, your computer may support a 2280 solid-state drive, or a 2230 solid-state
drive in M.2 slot.
NOTE: This procedure applies only to computers shipped with a 2280 solid-state drive installed in M.2 slot.
The following image indicates the location of the 2280 solid-state drive that is installed in M.2 slot and provides a visual
representation of the removal procedure.
Steps
1. Remove the two screws (M2x3) that secure the solid-state drive thermal plate to the palm-rest and keyboard assembly.
2. Remove the solid-state drive thermal plate out of the computer.
3. Slide and remove the 2280 solid-state drive from the M.2 solid-state drive slot on the system board.
Installing the 2280 solid-state drive
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
NOTE: Solid-state drives are fragile. Exercise care when handling the solid-state drive.
NOTE: Depending on the configuration ordered, the computer one may support a 2280 solid-state drive, or a 2230
solid-state drive in M.2 slot.
NOTE: This procedure is applicable if you are installing a 2280 solid-state drive in M.2 slot.
24 Removing and installing components