Dell Inspiron 3521/5521 Owner’s ManualComputer model: Inspiron 3521/5521Regulatory model: P28F Regulatory type: P28F001OM_Book.book Page 1 Tuesday,
10 | After Working Inside Your ComputerOM_Book.book Page 10 Tuesday, November 20, 2012 12:43 PM
Removing the Battery | 11Removing the Battery WARNING: Before working inside your computer, read the safety information that shipped with your
12 | Removing the BatteryOM_Book.book Page 12 Tuesday, November 20, 2012 12:43 PM
Replacing the Battery | 13Replacing the Battery WARNING: Before working inside your computer, read the safety information that shipped with your c
14 | Replacing the BatteryOM_Book.book Page 14 Tuesday, November 20, 2012 12:43 PM
Removing the Memory Module(s) | 15Removing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that
16 | Removing the Memory Module(s)3 Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector unti
Replacing the Memory Module(s) | 17Replacing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that s
18 | Replacing the Memory Module(s)OM_Book.book Page 18 Tuesday, November 20, 2012 12:43 PM
Removing the Optical-Drive Assembly | 19Removing the Optical-Drive Assembly WARNING: Before working inside your computer, read the safety info
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indic
20 | Removing the Optical-Drive Assembly3 Remove the screws that secure the optical-drive bracket to the optical-drive assembly.4 Remove the optical
Replacing the Optical-Drive Assembly | 21Replacing the Optical-Drive Assembly WARNING: Before working inside your computer, read the safety in
22 | Replacing the Optical-Drive AssemblyOM_Book.book Page 22 Tuesday, November 20, 2012 12:43 PM
Removing the Hard-Drive Assembly | 23Removing the Hard-Drive Assembly WARNING: Before working inside your computer, read the safety information th
24 | Removing the Hard-Drive Assembly3 Using the pull-tab, lift the hard-drive assembly out of the computer base.4 Remove the screws that secure the
Replacing the Hard-Drive Assembly | 25Replacing the Hard-Drive Assembly WARNING: Before working inside your computer, read the safety informat
26 | Replacing the Hard-Drive AssemblyOM_Book.book Page 26 Tuesday, November 20, 2012 12:43 PM
Removing the Keyboard | 27Removing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your c
28 | Removing the Keyboard3 Lift and slide the keyboard towards the display to release the keyboard from the palm-rest assembly.4 Turn the keyboard
Replacing the Keyboard | 29Replacing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your
Contents | 3Contents1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 7Turn Off Your Computer and Connected Devices . . . 7Safe
30 | Replacing the KeyboardOM_Book.book Page 30 Tuesday, November 20, 2012 12:43 PM
Removing the Palm-Rest | 31Removing the Palm-Rest WARNING: Before working inside your computer, read the safety information that shipped with your
32 | Removing the Palm-Rest3 Turn the computer over and open the display as far as possible.4 Lift the connector latches and pull the pull-tab to di
Removing the Palm-Rest | 335 Remove the screws that secure the palm-rest to the system board.6 Using a plastic scribe gently lift and release the ta
34 | Removing the Palm-RestOM_Book.book Page 34 Tuesday, November 20, 2012 12:43 PM
Replacing the Palm-Rest | 35Replacing the Palm-Rest WARNING: Before working inside your computer, read the safety information that shipped with yo
36 | Replacing the Palm-RestOM_Book.book Page 36 Tuesday, November 20, 2012 12:43 PM
Removing the Wireless Mini-Card | 37Removing the Wireless Mini-Card WARNING: Before working inside your computer, read the safety information
38 | Removing the Wireless Mini-CardProcedure1 Disconnect the antenna cables from the connectors on the wireless mini-card.2 Remove the screw that s
Replacing the Wireless Mini-Card | 39Replacing the Wireless Mini-Card WARNING: Before working inside your computer, read the safety informatio
4 | Contents11 Removing the Keyboard . . . . . . . . . . . . . . . . . 27Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
40 | Replacing the Wireless Mini-CardPostrequisites1 Replace the palm-rest. See "Replacing the Palm-Rest" on page 35.2 Replace the keyboar
Removing the I/O Board | 41Removing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped with
42 | Removing the I/O BoardProcedure1 Remove the screw that secures the I/O board to the computer base.2 Use the pull-tab to disconnect the I/O boar
Replacing the I/O Board | 43Replacing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped wit
44 | Replacing the I/O BoardOM_Book.book Page 44 Tuesday, November 20, 2012 12:43 PM
Removing the System Board | 45Removing the System Board WARNING: Before working inside your computer, read the safety information that shipped
46 | Removing the System BoardProcedure1 Peel the tape that secures the display cable to the system board.2 Disconnect the display cable from the co
Removing the System Board | 474 Remove the screw that secures the system board to the computer base.5 Lift the system board off the computer base.1s
48 | Removing the System BoardOM_Book.book Page 48 Tuesday, November 20, 2012 12:43 PM
Replacing the System Board | 49Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipped w
Contents | 521 Removing the Coin-Cell Battery. . . . . . . . . . . 51Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Proce
50 | Replacing the System BoardOM_Book.book Page 50 Tuesday, November 20, 2012 12:43 PM
Removing the Coin-Cell Battery | 51Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that s
52 | Removing the Coin-Cell BatteryProcedure1 Turn the system board over and place it on a flat surface.2 Using a plastic scribe, gently pry out the
Replacing the Coin-Cell Battery | 53Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that
54 | Replacing the Coin-Cell BatteryOM_Book.book Page 54 Tuesday, November 20, 2012 12:43 PM
Removing the Heat-Sink | 55Removing the Heat-Sink WARNING: Before working inside your computer, read the safety information that shipped with your
56 | Removing the Heat-SinkProcedure1 Turn the system board over and place the system board on a flat surface.2 In sequential order (indicated on th
Replacing the Heat-Sink | 57Replacing the Heat-Sink WARNING: Before working inside your computer, read the safety information that shipped with yo
58 | Replacing the Heat-SinkOM_Book.book Page 58 Tuesday, November 20, 2012 12:43 PM
Removing the Fan | 59Removing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer an
6 | Contents31 Removing the Display Bezel . . . . . . . . . . . . . . 75Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 75Pr
60 | Removing the FanProcedure1 Turn the system board over and place the system board on a flat surface.2 Disconnect the fan cable from the connecto
Replacing the Fan | 61Replacing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer
62 | Replacing the FanOM_Book.book Page 62 Tuesday, November 20, 2012 12:43 PM
Removing the Speakers | 63Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your c
64 | Removing the SpeakersProcedure1 Peel the tape that secures the LED silicon tubes to the computer base.2 Lift and remove the LED silicon tubes o
Removing the Speakers | 653 Note the speaker cable routing and remove the cable from the routing guides on the computer base.4 Lift the speakers, al
66 | Removing the SpeakersOM_Book.book Page 66 Tuesday, November 20, 2012 12:43 PM
Replacing the Speakers | 67Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your
68 | Replacing the SpeakersOM_Book.book Page 68 Tuesday, November 20, 2012 12:43 PM
Removing the Display Assembly | 69Removing the Display Assembly WARNING: Before working inside your computer, read the safety information that shi
Before You Begin | 7Before You BeginTurn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files and e
70 | Removing the Display AssemblyProcedure1 Peel the tape that secures the display cable to the system board.2 Disconnect the display cable from th
Removing the Display Assembly | 714 Move aside the power adapter-port cable from the screws.5 Remove the screws that secure the display assembly
72 | Removing the Display AssemblyOM_Book.book Page 72 Tuesday, November 20, 2012 12:43 PM
Replacing the Display Assembly | 73Replacing the Display Assembly WARNING: Before working inside your computer, read the safety information that s
74 | Replacing the Display AssemblyOM_Book.book Page 74 Tuesday, November 20, 2012 12:43 PM
Removing the Display Bezel | 75Removing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped w
76 | Removing the Display BezelProcedure1 Press the hinge covers on the sides and lift the hinge covers to remove it from the display assembly.2 Usi
Replacing the Display Bezel | 77Replacing the Display Bezel WARNING: Before working inside your computer, read the safety information that shi
78 | Replacing the Display BezelOM_Book.book Page 78 Tuesday, November 20, 2012 12:43 PM
Removing the Display Hinges | 79Removing the Display Hinges WARNING: Before working inside your computer, read the safety information that shipped
8 | Before You Begin CAUTION: Only a certified service technician is authorized to remove the computer cover and access any of the components insid
80 | Removing the Display HingesProcedure1 Remove the screws that secure the display hinges to the display panel.2 Lift the display hinges off t
Replacing the Display Hinges | 81Replacing the Display Hinges WARNING: Before working inside your computer, read the safety information that shipp
82 | Replacing the Display HingesOM_Book.book Page 82 Tuesday, November 20, 2012 12:43 PM
Removing the Display Panel | 83Removing the Display Panel WARNING: Before working inside your computer, read the safety information that shipped w
84 | Removing the Display PanelProcedure1 Remove the screws that secure the display panel to the display back-cover.2 Gently lift the display panel
Removing the Display Panel | 853 Peel the tape that is adhered over the display cable.4 Disconnect the display cable from the connector on the d
86 | Removing the Display PanelOM_Book.book Page 86 Tuesday, November 20, 2012 12:43 PM
Replacing the Display Panel | 87Replacing the Display Panel WARNING: Before working inside your computer, read the safety information that shipped
88 | Replacing the Display PanelOM_Book.book Page 88 Tuesday, November 20, 2012 12:43 PM
Removing the Camera Module | 89Removing the Camera Module WARNING: Before working inside your computer, read the safety information that shipped w
After Working Inside Your Computer | 9After Working Inside Your ComputerAfter you complete the replacement procedures, ensure the following:• Re
90 | Removing the Camera ModuleProcedure1 Remove the screw that secures the camera module to the display back-cover.2 Disconnect the camera cable fr
Replacing the Camera Module | 91Replacing the Camera Module WARNING: Before working inside your computer, read the safety information that shipped
92 | Replacing the Camera ModuleOM_Book.book Page 92 Tuesday, November 20, 2012 12:43 PM
Flashing the BIOS | 93Flashing the BIOSYou may need to flash the BIOS when an update is available or after replacing the system board. To flash the
94 | Flashing the BIOSOM_Book.book Page 94 Tuesday, November 20, 2012 12:43 PM
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