Dell Inspiron 14z (1470, Mid 2009) - Manual (Page 22)

22 Hard-Drive Assembly
9 Replace the battery. See "Replacing the Battery" on page 14.
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.
10 Connect your computer and all attached devices to electrical outlets, and
turn them on.
11 Install the operating system for your computer, as needed.
12 Install the drivers and utilities for your computer, as needed.
NOTE: For more information on installing the operating system, drivers, and utilities
for your computer, see Me and My Dell at support.dell.com\manuals.