Dell N7110 Service Manual

Dell™ Inspiron™ N7110
Service Manual
Regulatory model: P14E             Regulatory type: P14E001
book.book  Page 1  Friday, April 13, 2012  2:02 PM 

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.
© 2010-2011 Dell Inc. All rights reserved.
Trademarks used in this text: Dell™, the DELL...

Contents3
Contents
1 Before You Begin. . . . . . . . . . . . . . . . . . . .  9
Recommended Tools. . . . . . . . . . . . . . . . . . . .  9
Turning Off Your Computer
. . . . . . . . . . . . . . . . .  9
Before Working Inside Your Computer
 . . . . . . . . .   10
2 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . .  13
Removing the Top Cover. . . . . . . . . . . . . . . . .   13
Replacing the Top Cover
. . . . . . . . . . . . . . . . .   14
3Battery. . . . . . . . . . . . . . . . . . . . . . . . ....

4Contents
Replacing the Module Cover. . . . . . . . . . . . . . .   22
6 Memory Module(s). . . . . . . . . . . . . . . . .   23
Removing the Memory Module(s). . . . . . . . . . . .   23
Replacing the Memory Module(s)
. . . . . . . . . . . .   24
7 Keyboard . . . . . . . . . . . . . . . . . . . . . . . .   27
Removing the Keyboard . . . . . . . . . . . . . . . . .   27
Replacing the Keyboard
. . . . . . . . . . . . . . . . .   29
8 Palm-Rest Assembly . . . . . . . . . . . . . . .   31
Removing the...

Contents5
11 Wireless Mini-Card(s). . . . . . . . . . . . . . .  45
Removing the Mini-Card(s) . . . . . . . . . . . . . . .   45
Replacing the Mini-Card(s)
 . . . . . . . . . . . . . . .   47
12 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . .  49
Removing the Hard Drive . . . . . . . . . . . . . . . .   49
Replacing the Hard Drive
 . . . . . . . . . . . . . . . .   51
A Subwoofer. . . . . . . . . . . . . . . . . . . . . . . .  53
Removing the Subwoofer . . . . . . . . . . . . . . . .   53...

6Contents
Replacing the Thermal Fan . . . . . . . . . . . . . . .   66
16 System Board. . . . . . . . . . . . . . . . . . . . .   69
Removing the System Board. . . . . . . . . . . . . . .   69
Replacing the System Board
. . . . . . . . . . . . . . .   72
Entering the Service Tag in the BIOS
 . . . . . . . . . .   73
17 Coin-Cell Battery. . . . . . . . . . . . . . . . . .   75
Removing the Coin-Cell Battery. . . . . . . . . . . . .   75
Replacing the Coin-Cell Battery
. . . . . . . . . . . . .   76
18 I/O...

Contents7
21 Display. . . . . . . . . . . . . . . . . . . . . . . . . . .  89
Display Assembly . . . . . . . . . . . . . . . . . . . .   89
Removing the Display Assembly
. . . . . . . . . .   89
Replacing the Display Assembly
. . . . . . . . . .   91
Display Bezel
 . . . . . . . . . . . . . . . . . . . . . .   92
Removing the Display Bezel
 . . . . . . . . . . . .   92
Replacing the Display Bezel
 . . . . . . . . . . . .   93
Removing the Display Panel
 . . . . . . . . . . . .   94
Replacing the Display...

8Contents
25 Flashing the BIOS . . . . . . . . . . . . . . . . .  115
book.book  Page 8  Friday, April 13, 2012  2:02 PM 

Before You Begin9
1
Before You Begin
This manual provides procedures for removing and installing components in 
your computer. Unless otherwise noted, each procedure assumes that the 
following conditions exist:
• You have performed the steps in Turning Off Your Computer on page 9 
and Before Working Inside Your Computer on page 10.
• You have read the safety information that shipped with your computer
.
• A component can be replaced or—if purchased separately—installed by 
performing the removal...

10Before You Begin
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from 
potential damage and to help to ensure your own personal safety.
 WARNING: Before working inside your computer, read the safety information 
that shipped with your computer. For additional safety best practices information, 
see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.
 
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist...