Dell Inspiron 15r Manual

 
Dell Inspiron 15R
Owner’s Manual
Computer model: Inspiron 5520/7520  
Regulatory model: P25F                
Regulatory type: P25F001
book.book  Page 1  Thursday, April 12, 2012  10:14 AM 

Notes, Cautions, and Warnings
 NOTE: A NOTE indicates important information that helps you make 
better use of your computer.
 CAUTION: A CAUTION indicates potential damage to hardware or loss 
of data if instructions are not followed.
 WARNING:  A WARNING indicates a potential for property damage, 
personal injury, or death.
____________________
Information in this document is subject to change without notice. 
© 2012 Dell Inc. All rights reserved.
Reproduction of these materials in any manner...

Contents  |  3
Contents
1Before You Begin . . . . . . . . . . . . . . . . . . . . . . . .  7
Turn Off Your Computer and Connected Devices. . . 7
Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . 7
Recommended Tools. . . . . . . . . . . . . . . . . . . . . . 8
2 After Working Inside Your Computer. . . . . . . .  9
3Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
Removing the Switch. . . . . . . . . . . . . . . . . . . . .  11
Replacing the Switch . . . . . . . ....

4  |  Contents
10 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
Removing the Palm Rest. . . . . . . . . . . . . . . . . . .  27
Replacing the Palm Rest. . . . . . . . . . . . . . . . . . .  31
11 Power-Adapter Port. . . . . . . . . . . . . . . . . . . . .  33
Removing the Power-Adapter Port. . . . . . . . . . . .  33
Replacing the Power-Adapter Port. . . . . . . . . . . . 34
12 Display Assembly . . . . . . . . . . . . . . . . . . . . . . .  35
Removing the Display Assembly. . ....

Contents  |  5
18 Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
Removing the Speakers . . . . . . . . . . . . . . . . . . .  67
Replacing the Speakers. . . . . . . . . . . . . . . . . . . . 69
19 Media Card Reader. . . . . . . . . . . . . . . . . . . . . .  71
Removing the Media Card Reader . . . . . . . . . . . .  71
Replacing the Media Card Reader. . . . . . . . . . . . .  73
20 Daughter Board . . . . . . . . . . . . . . . . . . . . . . . .  75
Removing the Daughter Board. ....

6  |  Contents
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Before You Begin  |  7
1
Before You Begin
Turn Off Your Computer and Connected Devices
 CAUTION: To avoid losing data, save and close all open files and exit all open 
programs before you turn off your computer.
1Save and close all open files and exit all open programs.
2Click Start  and click Shut down.
Microsoft Windows shuts down and then the computer turns off.
 NOTE: If you are using a different operating system, see the documentation of 
your operating system for shut-down instructions.
3Disconnect...

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 connectors with locking tabs or 
thumb-screws that you must disengage before disconnecting the cable. When 
disconnecting cables, keep them evenly aligned to avoid bending any connector 
pins. When connecting cables, ensure that the connectors and ports are correctly 
oriented and aligned.
 CAUTION: To disconnect a network cable, first unplug the cable from...

After Working Inside Your Computer    |   9
2
After Working Inside Your Computer
After you complete replacement procedures, ensure the following:
•Replace all screws and ensure that no stray screws remain inside your computer
•Connect any external devices, cables, cards, and any other part(s) you removed 
before working on your computer
•Connect your computer and all attached devices to their electrical outlets
 CAUTION: Before turning on your computer, replace all screws and ensure that 
no stray screws...

10  |  After Working Inside Your Computer
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