Dell Inspiron 1428 (Late 2009) - Manual (Page 77)

System Board 77
9 Replace the processor fan and heat sink assembly (see "Replacing the
Processor Fan and Heat Sink Assembly" on page 41).
10 Replace the Mini-Card (see "Replacing the Mini-Card" on page 37).
11 Replace the memory modules (see "Replacing the Memory Module(s)" on
page 31).
12 Replace the hard drive (see "Replacing the Hard Drive" on page 24).
13 Replace the optical drive (see "Replacing the Optical Drive" on page 26).
14 Replace the palm rest assembly (see "Replacing the Palm Rest Assembly"
on page 70).
15 Replace the display assembly (see "Replacing the Display Assembly" on
page 50).
16 Replace the keyboard (see "Replacing the Keyboard" on page 19).
17 Replace the hinge cover (see "Replacing the Hinge Cover" on page 16).
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.
18 Replace base cover (see "Replacing the Base Cover" on page 34).
19 Replace the battery (see "Replacing the Battery" on page 14).
20 Turn on the computer.
NOTE: After you have replaced the system board, enter the computer Service
Tag into the BIOS of the replacement system board.
21 Enter the service tag (see "Entering the Service Tag in the BIOS" on
page 77).
Entering the Service Tag in the BIOS
1 Ensure that the AC adapter is plugged in and that the main battery is
installed properly.
2 Turn on the computer.
3 Press during POST to enter the system setup program.
4 Navigate to the security tab and enter the service tag in the Set Service Tag
field.