Dell EMC Inspiron 3252 User manual

Inspiron 3252
Service Manual
Regulatory Model: D14S
Regulatory Type: D14S001

Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2016 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell
and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein
may be trademarks of their respective companies.
Rev. A01

1 Before working inside your computer............................................................................................. 6
Before you begin ...................................................................................................................................................................6
Safety instructions.................................................................................................................................................................6
Recommended tools..............................................................................................................................................................7
2 After working inside your computer............................................................................................... 8
3 Technical overview.......................................................................................................................9
Inside View Of Your Computer............................................................................................................................................ 9
System-Board Components............................................................................................................................................... 10
4 Removing the computer cover ..................................................................................................... 11
Procedure...............................................................................................................................................................................11
5 Replacing the computer cover .....................................................................................................12
Procedure..............................................................................................................................................................................12
6 Removing the coin-cell battery.................................................................................................... 13
Prerequisites......................................................................................................................................................................... 13
Procedure..............................................................................................................................................................................13
7 Replacing the coin-cell battery.....................................................................................................14
Procedure..............................................................................................................................................................................14
Post-requisites......................................................................................................................................................................14
8 Removing the front bezel ............................................................................................................15
Prerequisites......................................................................................................................................................................... 15
Procedure..............................................................................................................................................................................15
9 Replacing the front bezel.............................................................................................................17
Procedure..............................................................................................................................................................................17
Post-requisites......................................................................................................................................................................17
10 Removing the fan...................................................................................................................... 18
Prerequisites......................................................................................................................................................................... 18
Procedure..............................................................................................................................................................................18
11 Replacing the fan...................................................................................................................... 20
Procedure.............................................................................................................................................................................20
Post-requisites.....................................................................................................................................................................20
12 Removing the heat sink.............................................................................................................. 21
Prerequisites......................................................................................................................................................................... 21
Contents
Contents 3

Procedure..............................................................................................................................................................................21
13 Replacing the heat sink..............................................................................................................22
Procedure............................................................................................................................................................................. 22
Post-requisites.....................................................................................................................................................................22
14 Removing the memory module................................................................................................... 23
Prerequisites.........................................................................................................................................................................23
Procedure............................................................................................................................................................................. 23
15 Replacing the memory module................................................................................................... 24
Procedure............................................................................................................................................................................. 24
Post-requisites.....................................................................................................................................................................24
16 Removing the 3.5-inch hard drive...............................................................................................25
Prerequisites........................................................................................................................................................................ 25
Procedure.............................................................................................................................................................................25
17 Replacing the 3.5-inch hard drive............................................................................................... 27
Procedure............................................................................................................................................................................. 27
Post-requisites..................................................................................................................................................................... 27
18 Removing the 2.5-inch hard drives............................................................................................. 28
Prerequisites.........................................................................................................................................................................28
Procedure............................................................................................................................................................................. 28
19 Replacing the 2.5-inch hard drives............................................................................................. 30
Procedure.............................................................................................................................................................................30
Post-requisites.....................................................................................................................................................................30
20 Removing the drive cage ...........................................................................................................31
Prerequisites......................................................................................................................................................................... 31
Procedure..............................................................................................................................................................................31
21 Replacing the drive cage............................................................................................................34
Procedure............................................................................................................................................................................. 34
Post-requisites.....................................................................................................................................................................34
22 Replacing the optical drive........................................................................................................ 35
Prerequisites........................................................................................................................................................................ 35
Procedure.............................................................................................................................................................................35
23 Removing the optical drive........................................................................................................ 37
Procedure............................................................................................................................................................................. 37
Post-requisites..................................................................................................................................................................... 37
24 Removing the wireless card....................................................................................................... 38
Prerequisites.........................................................................................................................................................................38
4Contents

Procedure............................................................................................................................................................................. 38
25 Replacing the wireless card....................................................................................................... 39
Procedure.............................................................................................................................................................................39
Post-requisites.....................................................................................................................................................................40
26 Removing the antenna modules.................................................................................................. 41
Prerequisites......................................................................................................................................................................... 41
Procedure..............................................................................................................................................................................41
27 Replacing the antenna modules..................................................................................................43
Procedure............................................................................................................................................................................. 43
Post-requisites.....................................................................................................................................................................43
28 Removing the power-button module.......................................................................................... 44
Prerequisites.........................................................................................................................................................................44
Procedure............................................................................................................................................................................. 44
29 Replacing the power-button module...........................................................................................46
Procedure.............................................................................................................................................................................46
Post-requisites.....................................................................................................................................................................46
30 Removing the system board...................................................................................................... 47
Prerequisites.........................................................................................................................................................................47
Procedure............................................................................................................................................................................. 47
31 Replacing the system board....................................................................................................... 49
Procedure.............................................................................................................................................................................49
Post-requisites.....................................................................................................................................................................49
32 BIOS setup program................................................................................................................. 50
Overview.............................................................................................................................................................................. 50
Entering BIOS setup program............................................................................................................................................50
Clearing Forgotten Passwords.......................................................................................................................................... 50
Prerequisites.................................................................................................................................................................. 50
Procedure.......................................................................................................................................................................50
Post-requisites................................................................................................................................................................51
Clearing CMOS Settings..................................................................................................................................................... 51
Prerequisites................................................................................................................................................................... 51
Procedure........................................................................................................................................................................51
Post-requisites...............................................................................................................................................................52
33 Flashing the BIOS.....................................................................................................................53
34 Getting help and contacting Dell................................................................................................ 54
Contents 5