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3521, 5521 manual Replacing the Battery
Models:
5521
3521
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Removing the Wireless Mini-Card
Entering the Service Tag in system setup
Removing the Optical-Drive Assembly
Procedure
Removing the Battery
Safety
power-button cable
Flashing the BIOS
Remove the memory module from the memory-module connector
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Replacing the Battery
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Contents
Computer model Inspiron 3521/5521 Regulatory model P28F
Dell Inspiron 3521/5521
Owner’s Manual
Regulatory type P28F001
2012
Notes, Cautions, and Warnings
2012 Dell Inc
Contents
Entering the Service Tag in system setup
15 Removing the Wireless Mini-Card
16 Replacing the Wireless Mini-Card
19 Removing the System Board
29 Removing the Display Assembly
21 Removing the Coin-Cell Battery
22 Replacing the Coin-Cell Battery
30 Replacing the Display Assembly
31 Removing the Display Bezel
Turn Off Your Computer and Connected Devices
Safety Instructions
Before You Begin
Windows
Recommended Tools
After Working Inside Your Computer
10 After Working Inside Your Computer
Removing the Battery
Procedure
12 Removing the Battery
Procedure
Replacing the Battery
Postrequisites
14 Replacing the Battery
Procedure
Removing the Memory Modules
Prerequisites
1 captive screw
16 Removing the Memory Modules
4 Remove the memory module from the memory-module connector
2 memory-module connector
1 securing clips
Postrequisites
Replacing the Memory Modules
Procedure
18 Replacing the Memory Modules
optical-drive assembly
Removing the Optical-Drive Assembly
Procedure
Prerequisites
optical-drive bezel
4 Remove the optical-drive bracket from the optical-drive assembly
20 Removing the Optical-Drive Assembly
optical drive
Postrequisites
Replacing the Optical-Drive Assembly
Procedure
22 Replacing the Optical-Drive Assembly
Prerequisites
Removing the Hard-Drive Assembly
Procedure
5 Lift the hard-drive bracket off the hard drive
24 Removing the Hard-Drive Assembly
hard-drive assembly
pull-tab
Postrequisites
Replacing the Hard-Drive Assembly
Procedure
26 Replacing the Hard-Drive Assembly
Prerequisites
Removing the Keyboard
Procedure
plastic scribe
connector latch
4 Turn the keyboard over and place it on the palm-rest assembly
6 Lift the keyboard off the palm-rest assembly
28 Removing the Keyboard
Postrequisites
Replacing the Keyboard
Procedure
30 Replacing the Keyboard
Prerequisites
Removing the Palm-Rest
Procedure
1 screws
3 Turn the computer over and open the display as far as possible
power-button cable
3 connector latches
32 Removing the Palm-Rest
Removing the Palm-Rest
5 Remove the screws that secure the palm-rest to the system board
7 Lift the palm-rest off the computer base
screws
34 Removing the Palm-Rest
Postrequisites
Replacing the Palm-Rest
Procedure
36 Replacing the Palm-Rest
Removing the Wireless Mini-Card
Prerequisites
Procedure
38 Removing the Wireless Mini-Card
Replacing the Wireless Mini-Card
Procedure
Postrequisites
1 Replace the palm-rest. See Replacing the Palm-Rest on page
Removing the I/O Board
Prerequisites
3 Gently lift and remove the I/O board off the computer base
Procedure
1 Remove the screw that secures the I/O board to the computer base
42 Removing the I/O Board
Postrequisites
Replacing the I/O Board
Procedure
44 Replacing the I/O Board
Removing the System Board
Prerequisites
display cable
Procedure
power-adapter-port cable
tape
Removing the System Board
4 Remove the screw that secures the system board to the computer base
5 Lift the system board off the computer base
system board
48 Removing the System Board
Procedure
Entering the Service Tag in system setup
Replacing the System Board
Postrequisites
50 Replacing the System Board
Removing the Coin-Cell Battery
Prerequisites
coin-cell battery
Procedure
52 Removing the Coin-Cell Battery
1 Turn the system board over and place it on a flat surface
Postrequisites
Replacing the Coin-Cell Battery
Procedure
54 Replacing the Coin-Cell Battery
Removing the Heat-Sink
Prerequisites
56 Removing the Heat-Sink
Procedure
3 Lift the heat-sink off the system board
screw
Postrequisites
Replacing the Heat-Sink
Procedure
58 Replacing the Heat-Sink
Removing the Fan
Prerequisites
3 fan cable
Procedure
screw
Postrequisites
Replacing the Fan
Procedure
62 Replacing the Fan
Removing the Speakers
Prerequisites
64 Removing the Speakers
Procedure
2 Lift and remove the LED silicon tubes off the computer base
tape
speaker cable routing
speakers
66 Removing the Speakers
Postrequisites
Replacing the Speakers
Procedure
68 Replacing the Speakers
Removing the Display Assembly
Prerequisites
wireless mini-card cables
Procedure
70 Removing the Display Assembly
1 Peel the tape that secures the display cable to the system board
screws
display assembly
3 power adapter-port cable
72 Removing the Display Assembly
Postrequisites
Replacing the Display Assembly
Procedure
74 Replacing the Display Assembly
Removing the Display Bezel
Prerequisites
76 Removing the Display Bezel
Procedure
3 Remove the display bezel off the display back-cover
1 hinge covers
Postrequisites
Replacing the Display Bezel
Procedure
78 Replacing the Display Bezel
Removing the Display Hinges
Prerequisites
80 Removing the Display Hinges
Procedure
2 Lift the display hinges off the display back-cover
screws
Postrequisites
Replacing the Display Hinges
Procedure
82 Replacing the Display Hinges
Removing the Display Panel
Prerequisites
84 Removing the Display Panel
Procedure
2 Gently lift the display panel and turn it over
display back-cover
display cable
3 Peel the tape that is adhered over the display cable
Removing the Display Panel
tape
86 Removing the Display Panel
Postrequisites
Replacing the Display Panel
Procedure
88 Replacing the Display Panel
Removing the Camera Module
Prerequisites
camera module
Procedure
screw
tape
Postrequisites
Replacing the Camera Module
Procedure
92 Replacing the Camera Module
Flashing the BIOS
94 Flashing the BIOS