Dell Inspiron 1521 (Mid 2007) - Manual (Page 145)

Adding and Replacing Parts
145
Replacing the Hard Drive
1 Remove the new drive from its packaging.
Save the original packaging for storing or shipping the hard drive.
NOTICE:
Use firm and even pressure to slide the drive into place. If you use
excessive force, you may damage the connector.
2 Slide the hard drive into the bay until it is fully seated.
3 Replace and tighten the screws.
4 Install the operating system for your computer, as needed (see "Restoring
Your Microsoft® Windows Vista® Operating System" on page 135).
5 Install the drivers and utilities for your computer, as needed (see
"Reinstalling Drivers and Utilities" on page 132).
Returning a Hard Drive to Dell
Return your old hard drive to Dell in its original, or comparable, foam
packaging. Otherwise, the hard drive may be damaged in transit.
1 foam packaging 2 hard drive
2
1