Dell Inspiron 1428 (Late 2009) - Manual (Page 74)

74 System Board
8 Remove the optical drive (see "Removing the Optical Drive" on page 25).
9 Remove the hard drive (see "Removing the Hard Drive" on page 22).
10 Remove the memory module(s) (see "Removing the Memory Module(s)"
on page 29).
11 Remove the Mini-Card (see "Removing the Mini-Card" on page 35).
12 Disconnect the AC adapter connector cable from the connector on the
system board.
13 Remove the processor fan and heat sink assembly (see "Removing the
Processor Fan and Heat Sink Assembly" on page 39).
14 Remove the processor module (see "Removing the Processor Module" on
page 43).
15 Turn the computer over and disconnect the I/O board cable and audio
board cable from their respective system board connectors.
16 Remove the two screws that secure the system board to the computer base.
1 AC adapter connector cable
1