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Dell Inspiron 14R/M421R
Owner’s Manual
Computer model: Inspiron 5420/7420/5425
Regulatory model: P33G
Regulatory type: P33G001/P33G002
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 whatsoever without the written permission of
Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc.;
Microsoft®, Windows®, and the Windows start button logo are either trademarks or
registered trademarks of Microsoft corporation in the United States and/or other countries;
Bluetooth® is a registered trademark owned by Bluetooth SIG, Inc. and is used by
Dell under license.
Other trademarks and trade names may be used in this document to refer to either the entities
claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest
in trademarks and trade names other than its own.
2012 - 08 Rev. A00
Contents | 2
Contents
1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 8
Turn Off Your Computer and Connected Devices . . . 8
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . 8
Recommended Tools . . . . . . . . . . . . . . . . . . . . . . 9
2 After Working Inside Your Computer . . . . . . . 10
3 Removing the Switch. . . . . . . . . . . . . . . . . . . . 12
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4 Replacing the Switch . . . . . . . . . . . . . . . . . . . . 14
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5 Removing the Battery . . . . . . . . . . . . . . . . . . . 16
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Replacing the Battery . . . . . . . . . . . . . . . . . . . 18
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 Removing the Keyboard . . . . . . . . . . . . . . . . . 20
Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8 Replacing the Keyboard . . . . . . . . . . . . . . . . . 24
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9 Removing the Base Cover . . . . . . . . . . . . . . . . 26
Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
10 Replacing the Base Cover . . . . . . . . . . . . . . . . 28
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Produktspecifikationer
| Varumärke: | Dell |
| Kategori: | Laptop |
| Modell: | Inspiron M421R |
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