Dell Vostro 3888 Service Manual page 21

NOTE: Note the orientation of the hard drive so that you can replace it correctly.
Installing the primary 2.5 in. hard-drive 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 2.5 in. hard drive and provides a visual representation of the installation procedure.
Disassembly and reassembly 21