Dell Inspiron 500m Owner's Manual page 112

Turn the computer over. Use a small screwdriver to loosen the M2.5 x 5-mm screw.
6
Turn the computer over so that it is upright.
7
NOTICE: When the hard drive is not in the computer, store it in protective antistatic
packaging. See "Protecting Against Electrostatic Discharge" on page 17.
Pull the hard drive cover out of the computer.
8
Remove the new drive from its packaging.
9
Save the original packaging for use when storing or shipping the hard drive.
112 Ad di ng an d Rep l ac i ng Pa rts
M2.5 x 5-mm screw