Dell Inspiron 15R SE 7520 Owner's Manual

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After Working Inside Your Computer | 92After Working Inside Your ComputerAfter you complete replacement procedures, ensure the following:• Repla

10 | After Working Inside Your Computer

Switch | 113Switch WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

12 | SwitchReplacing the SwitchProcedure1 Align the tabs at the bottom of the switch with the slots on the display cover and snap the switch into pl

Battery | 134Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the step

14 | Battery

Keyboard | 155Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

16 | Keyboard3 Carefully turn the keyboard over and place it on the palm rest.4 Lift the connector latch and pull the pull-tab to disconnect the key

Base Cover | 176Base Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

18 | Base CoverReplacing the Base CoverProcedure1 Slide the tabs on the base cover into the slots on the computer base and snap the base cover into

Dell Inspiron 15ROwner’s ManualComputer model: Inspiron 5520/7520 Regulatory model: P25F Regulatory type: P25F001

Memory Module(s) | 197Memory Module(s) WARNING: Before working inside your computer, read the safety information that shipped with your computer a

20 | Memory Module(s)Replacing the Memory Module(s)Procedure1 Align the notch on the memory module with the tab on the memory-module connector.2 Sli

Hard Drive | 218Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

22 | Hard DriveProcedure1 Remove the screws that secure the hard-drive assembly to the computer base.2 Using the pull-tab, slide the hard-drive asse

Hard Drive | 234 Remove the screws that secure the hard-drive bracket to the hard drive.5 Lift the hard drive off the hard-drive bracket.Replacing t

24 | Hard DrivePostrequisites1 Replace the base cover. See "Replacing the Base Cover" on page 18.2 Replace the battery. See "Replacin

Optical Drive | 259Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and fol

26 | Optical Drive3 Carefully pry the optical-drive bezel and remove it from the optical-drive assembly.4 Remove the screws that secure the optical-

Palm Rest | 2710Palm Rest WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

28 | Palm Rest2 Turn the computer over.3 Lift the connector latches and pull the pull-tabs to disconnect the power-button board cable, touchpad cabl

Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indic

Palm Rest | 294 Remove the screws that secure the palm rest to the computer base.5 Using your fingertips, pry out the palm rest from the computer ba

30 | Palm Rest6 Without pulling hard on the palm-rest assembly, place it away from the display as shown in the illustration below.7 Lift the connect

Palm Rest | 31Replacing the Palm RestProcedure1 Slide the status-lights cable into the connector on the system board and press down on the connector

32 | Palm Rest

Power-Adapter Port | 3311Power-Adapter Port WARNING: Before working inside your computer, read the safety information that shipped with your compu

34 | Power-Adapter Port3 Disconnect the power-adapter port cable from the connector on the system board.4 Lift the power-adapter port off the comput

Display Assembly | 3512Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer

36 | Display AssemblyProcedure1 Disconnect the antenna cables from the connectors on the Mini-Card. 2 Peel the tape that secures the display cable t

Display Assembly | 37Replacing the Display AssemblyProcedure1 Place the display assembly in position and replace the screws that secure the display

38 | Display AssemblyProcedure CAUTION: The display bezel is extremely fragile. Be careful when removing it to prevent damaging the display bezel.1

Contents | 3Contents1Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 7Turn Off Your Computer and Connected Devices . . . 7Safety

Display Assembly | 39Removing the Hinge CapsPrerequisites1 Remove the battery. See "Removing the Battery" on page 13.2 Remove the keyboard

40 | Display AssemblyReplacing the Hinge CapsProcedure1 Slide the antenna cables through the slot on the hinge cover2 Align the screw holes on the h

Display Assembly | 41Procedure1 Remove the screws that secure the display panel to the display cover.2 Carefully lift the display panel and turn it

42 | Display Assembly3 Peel and lift the tape that secures the display cable to the display-board connector and disconnect the display cable.4 Peel

Display Assembly | 435 Turn the display panel over and place it on a clean surface.6 Remove the screws that secure the display-panel brackets to the

44 | Display AssemblyPostrequisites1 Replace the hinge caps. See "Replacing the Hinge Caps" on page 40.2 Replace the display bezel. See &q

Camera Module | 4513Camera Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and fo

46 | Camera ModuleProcedure1 Remove the screws that secure the display panel to the display cover.2 Carefully lift the display panel and turn it ove

Camera Module | 473 Disconnect the camera cable from the connector on the camera module..4 Remove the screw that secures the camera module to the di

48 | Camera ModuleReplacing the Camera ModuleProcedure1 Use the alignment posts on the display cover to place the camera module in position. Ensure

4 | Contents10 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Removing the Palm Rest . . . . . . . . . . . . . . . . . . .

System Board | 4914System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and foll

50 | System BoardProcedure NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS after you re

System Board | 513 Disconnect the power-adapter port cable, fan cable, and speakers cable from the connectors on the system board.4 Peel the tape th

52 | System Board6 Remove the screws that secure the system board to the computer base.7 Lift the system board to disconnect the connector on the sy

System Board | 536 Slide the Media Card Reader cable into the connector on the system board and press down on the connector latch to secure the cabl

54 | System Board

Thermal-Cooling Assembly | 5515Thermal-Cooling Assembly WARNING: Before working inside your computer, read the safety information that shipped wit

56 | Thermal-Cooling AssemblyProcedure1 In sequential order (indicated on the thermal-cooling assembly), remove the screws that secure the thermal-c

Thermal-Cooling Assembly | 57Replacing the Thermal-Cooling AssemblyProcedure1 Align the screw holes on the thermal-cooling assembly with the screw h

58 | Thermal-Cooling Assembly

Contents | 518 Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Removing the Speakers . . . . . . . . . . . . . . . . . . .

Processor | 5916Processor WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

60 | ProcessorProcedure1 To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it

Processor | 61Replacing the ProcessorProcedure NOTE: If you install a new processor, a new thermal cooling assembly including an affixed thermal pa

62 | Processor

Coin-Cell Battery | 6317Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your compute

64 | Coin-Cell BatteryProcedureUsing a plastic scribe, gently pry the coin-cell battery out of the battery socket on the system board.1 battery sock

Coin-Cell Battery | 65Replacing the Coin-Cell BatteryProcedureWith the positive-side facing up, snap the coin-cell battery into the battery socket o

66 | Coin-Cell Battery

Speakers | 6718Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the s

68 | SpeakersProcedure1 Remove the screws that secure the speakers to the computer base.2 Lift the speakers along with its cable away from the compu

6 | Contents

Speakers | 69Replacing the SpeakersProcedure1 Align the screw holes on the speakers with the screw holes on the computer base and place the speakers

70 | Speakers

Media Card Reader | 7119Media Card Reader WARNING: Before working inside your computer, read the safety information that shipped with your compute

72 | Media Card ReaderProcedure1 Remove the screw that secures the Media Card Reader to the computer base.2 Make note of the Media Card Reader cable

Media Card Reader | 73Replacing the Media Card ReaderProcedure1 Align the screw holes on the Media Card Reader with the screw holes on the compu

74 | Media Card Reader

Daughter Board | 7520Daughter Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and

76 | Daughter BoardProcedure1 Remove the screws that secure the daughter board to the computer base.2 Lift the daughter board away from the computer

Daughter Board | 77Replacing the Daughter BoardProcedure1 Align the screw holes on the daughter board with the screw holes on the computer base.2 Re

78 | Daughter Board

Before You Begin | 71Before You BeginTurn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files and

Mini-Card | 7921Mini-Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

80 | Mini-Card3 Lift the Mini-Card out of the connector on the daughter board. CAUTION: When the Mini-Card is not in the computer, store it in prot

Mini-Card | 814 Press the other end of the Mini-Card down into the slot on the daughter board and replace the screw that secures the Mini-Card to th

82 | Mini-Card

Flashing the BIOS | 8322Flashing the BIOSThe BIOS may require flashing when an update is available or when replacing the system board. To flash the

84 | Flashing the BIOS

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8 | Before You Begin CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have conn