Dell Inspiron 1520 (Mid 2007) - Manual (Page 157)

Adding and Replacing Parts
157
Removing the Hard Drive
1 Follow the procedures in "Before You Begin" on page 153.
2 Turn the computer over and remove the hard drive screws.
NOTICE:
When the hard drive is not in the computer, store it in protective antistatic
packaging (see "Protecting Against Electrostatic Discharge" in the
Product Information Guide
).
3 Slide the hard drive out of the computer.
1 hard drive 2 screws (4)
2 1