
Dell Inspiron 15/15R Owner’s ManualComputer model: Inspiron 3521/5521/5537Regulatory model: P28F Regulatory type: P28F001/P28F003OM_Book.book Page 1
10 | Removing the BatteryRemoving the Battery WARNING: Before working inside your computer, read the safety information that shipped with your com
Replacing the Battery | 11Replacing the Battery WARNING: Before working inside your computer, read the safety information that shipped with yo
12 | Removing the Memory Module(s)Removing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that shi
Removing the Memory Module(s) | 133 Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector unti
14 | Replacing the Memory Module(s)Replacing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that s
Removing the Optical-Drive Assembly | 15Removing the Optical-Drive Assembly WARNING: Before working inside your computer, read the safety info
16 | 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 | 17Replacing the Optical-Drive Assembly WARNING: Before working inside your computer, read the safety in
18 | Removing the Hard-Drive AssemblyRemoving the Hard-Drive Assembly WARNING: Before working inside your computer, read the safety information th
Removing the Hard-Drive Assembly | 193 Using the pull-tab, lift the hard-drive assembly out of the computer base.4 Remove the screws that secure the
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indic
20 | Replacing the Hard-Drive AssemblyReplacing the Hard-Drive Assembly WARNING: Before working inside your computer, read the safety information
Removing the Keyboard | 21Removing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your c
22 | 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 | 23Replacing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your
24 | Removing the Palm-RestRemoving the Palm-Rest WARNING: Before working inside your computer, read the safety information that shipped with your
Removing the Palm-Rest | 253 Turn the computer over and open the display as far as possible.4 Lift the connector latches and pull the pull-tab to di
26 | Removing the Palm-Rest5 Remove the screws that secure the palm-rest to the system board.6 Using a plastic scribe gently lift and release the ta
Replacing the Palm-Rest | 27Replacing the Palm-Rest WARNING: Before working inside your computer, read the safety information that shipped with yo
28 | Removing the Wireless Mini-CardRemoving the Wireless Mini-Card WARNING: Before working inside your computer, read the safety information that
Removing the Wireless Mini-Card | 293 Slide and remove the wireless mini-card out of the system-board connector.1 wireless mini-card 2 system-bo
Contents | 3ContentsBefore You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Turn Off Your Computer and Connected Devices. . . . .
30 | Replacing the Wireless Mini-CardReplacing the Wireless Mini-Card WARNING: Before working inside your computer, read the safety information th
Removing the I/O Board | 31Removing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped with your
32 | 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 | 33Replacing the I/O Board WARNING: Before working inside your computer, read the safety information that shipped with yo
34 | Removing the System BoardRemoving the System Board WARNING: Before working inside your computer, read the safety information that shipped wit
Removing the System Board | 35Procedure1 Peel the tape that secures the display cable to the system board.2 Disconnect the display cable from th
36 | Removing the System Board4 Remove the screw that secures the system board to the computer base.5 Lift the system board off the computer base.1s
Replacing the System Board | 37Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipp
38 | Removing the Coin-Cell BatteryRemoving the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that s
Removing the Coin-Cell Battery | 39Procedure1 Turn the system board over and place it on a flat surface.2 Using a plastic scribe, gently pry out the
4 | ContentsReplacing the Hard-Drive Assembly. . . . . . . . . . . 20Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Post
40 | Replacing the Coin-Cell BatteryReplacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that
Removing the Heat-Sink | 41Removing the Heat-Sink WARNING: Before working inside your computer, read the safety information that shipped with
42 | 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 | 43Replacing the Heat-Sink WARNING: Before working inside your computer, read the safety information that shipped with yo
44 | Removing the FanRemoving the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer an
Removing the Fan | 45Procedure1 Turn the system board over and place the system board on a flat surface.2 Disconnect the fan cable from the connecto
46 | Replacing the FanReplacing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer
Removing the Speakers | 47Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your c
48 | 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 | 493 Note the speaker cable routing and remove the cable from the routing guides on the computer base.4 Lift the speakers, al
Contents | 5Replacing the System Board . . . . . . . . . . . . . . . . . 37Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 | Replacing the SpeakersReplacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your
Removing the Display Assembly | 51Removing the Display Assembly WARNING: Before working inside your computer, read the safety information that
52 | 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 | 534 Move aside the power adapter-port cable from the screws.5 Remove the screws that secure the display assembly to
54 | Replacing the Display AssemblyReplacing the Display Assembly WARNING: Before working inside your computer, read the safety information that s
Removing the Display Bezel | 55Removing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipp
56 | 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 | 57Replacing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped
58 | Removing the Display HingesRemoving the Display Hinges WARNING: Before working inside your computer, read the safety information that shi
Removing the Display Hinges | 59Procedure1 Remove the screws that secure the display hinges to the display panel.2 Lift the display hinges off the d
6 | ContentsReplacing the Display Assembly . . . . . . . . . . . . . . 54Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
60 | Replacing the Display HingesReplacing the Display Hinges WARNING: Before working inside your computer, read the safety information that shipp
Removing the Display Panel | 61Removing the Display Panel WARNING: Before working inside your computer, read the safety information that shipp
62 | 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 | 633 Peel the tape that is adhered over the display cable.4 Disconnect the display cable from the connector on the displ
64 | Replacing the Display PanelReplacing the Display Panel WARNING: Before working inside your computer, read the safety information that shipped
Removing the Camera Module | 65Removing the Camera Module WARNING: Before working inside your computer, read the safety information that shipped w
66 | 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 | 67Replacing the Camera Module WARNING: Before working inside your computer, read the safety information that shi
68 | Flashing the BIOSFlashing the BIOSThe BIOS may require flashing when an update is available or when replacing the system board. To flash the BI
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
8 | Before You BeginSafety InstructionsUse the following safety guidelines to protect your computer from potential damage and ensure your personal s
After Working Inside Your Computer | 9After Working Inside Your ComputerAfter you complete the replacement procedures, ensure the following:• Re
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