Dell Inspiron 3656 Manuale utente
Inspiron 3656
Service Manual
Computer Model: Inspiron 3656
Regulatory Model: D19M
Regulatory Type: D19M001
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.
Copyright ©2015 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.
2015 - 08
Rev. A00
Contents
Before working inside your computer.....................................8
Before you begin ...............................................................................................8
Safety instructions..............................................................................................8
Recommended tools......................................................................................... 9
After working inside your computer...................................... 11
Technical overview....................................................................12
System board components............................................................................. 12
Removing the computer cover .............................................. 14
Procedure.........................................................................................................14
Replacing the computer cover ...............................................15
Procedure.........................................................................................................15
Removing the front bezel ....................................................... 16
Prerequisites.....................................................................................................16
Procedure.........................................................................................................16
Replacing the front bezel.........................................................18
Procedure.........................................................................................................18
Post-requisites................................................................................................. 18
Removing the memory modules............................................ 19
Prerequisites.....................................................................................................19
Procedure........................................................................................................ 20
Replacing the memory modules............................................ 22
Procedure.........................................................................................................22
Post-requisites................................................................................................. 23
3
Removing the graphics card................................................... 25
Prerequisites.....................................................................................................25
Procedure.........................................................................................................25
Replacing the graphics card....................................................27
Procedure.........................................................................................................27
Postrequisites...................................................................................................27
Removing the 3.5-inch hard drive......................................... 28
Prerequisites.................................................................................................... 28
Procedure........................................................................................................ 28
Replacing the 3.5-inch hard drive..........................................33
Procedure.........................................................................................................33
Post-requisites................................................................................................. 33
Removing the 2.5-inch hard drives........................................34
Prerequisites.....................................................................................................34
Procedure.........................................................................................................35
Replacing the 2.5-inch hard drives........................................38
Procedure........................................................................................................ 38
Post-requisites.................................................................................................38
Removing the optical drive..................................................... 39
Prerequisites.....................................................................................................39
Procedure........................................................................................................ 40
Replacing the optical drive..................................................... 44
Procedure........................................................................................................ 44
Post-requisites.................................................................................................44
4
Removing the coin-cell battery..............................................45
Prerequisites.....................................................................................................45
Procedure........................................................................................................ 46
Replacing the coin-cell battery..............................................48
Procedure........................................................................................................ 48
Post-requisites.................................................................................................48
Removing the wireless card.................................................... 49
Prerequisites.................................................................................................... 49
Procedure........................................................................................................ 50
Replacing the wireless card.....................................................52
Procedure.........................................................................................................52
Post-requisites................................................................................................. 53
Removing the antenna modules............................................ 54
Prerequisites.....................................................................................................54
Procedure........................................................................................................ 54
Replacing the antenna modules.............................................57
Procedure.........................................................................................................57
Post-requisites................................................................................................. 57
Removing the power-button module................................... 58
Prerequisites.....................................................................................................58
Procedure........................................................................................................ 59
Replacing the power-button module....................................61
Procedure.........................................................................................................61
Post-requisites................................................................................................. 61
5
Removing the chassis fan........................................................ 62
Prerequisites.....................................................................................................62
Procedure........................................................................................................ 63
Replacing the chassis fan.........................................................66
Procedure........................................................................................................ 66
Post-requisites.................................................................................................66
Removing the front-panel light board.................................. 67
Prerequisites.....................................................................................................67
Procedure........................................................................................................ 68
Replacing the front-panel light board...................................71
Procedure......................................................................................................... 71
Post-requisites..................................................................................................71
Removing the power-supply unit...........................................72
Prerequisites.....................................................................................................72
Procedure.........................................................................................................73
Replacing the power-supply unit...........................................76
Procedure.........................................................................................................76
Postrequisites...................................................................................................76
Removing the processor fan....................................................77
Prerequisites.....................................................................................................77
Procedure.........................................................................................................78
Replacing the processor fan................................................... 80
Procedure........................................................................................................ 80
Post-requisites.................................................................................................80
6
Removing the heat sink............................................................81
Prerequisites.....................................................................................................81
Procedure.........................................................................................................81
Replacing the heat sink............................................................83
Procedure........................................................................................................ 83
Post-requisites.................................................................................................83
Removing the system board................................................... 84
Prerequisites.................................................................................................... 84
Procedure........................................................................................................ 84
Replacing the system board....................................................87
Procedure.........................................................................................................87
Post-requisites................................................................................................. 87
BIOS setup program................................................................. 88
Overview..........................................................................................................88
Entering BIOS setup program.........................................................................88
Clearing Forgotten Passwords........................................................................88
Prerequisites...............................................................................................89
Procedure.................................................................................................. 89
Post-requisites...........................................................................................89
Clearing CMOS Settings..................................................................................90
Prerequisites.............................................................................................. 90
Procedure.................................................................................................. 90
Post-requisites............................................................................................91
Flashing the BIOS...................................................................... 92
Getting help and contacting Dell...........................................93
Self-help resources......................................................................................... 93
Contacting Dell................................................................................................94
7
Before working inside your
computer
CAUTION: To avoid damaging the components and cards, handle
them by their edges and avoid touching pins and contacts.
NOTE: The images in this document may differ from your computer
depending on the configuration you ordered.
Before you begin
1 Save and close all open files and exit all open applications.
2 Shut down your computer.
– Windows 10: Click or tap Start → Power → Shut down.
– Windows 8.1: On the Start screen, click or tap the power icon →
Shut down.
– Windows 7: Click or tap Start → Shut down.
NOTE: If you are using a different operating system, see the
documentation of your operating system for shut-down
instructions.
3 Disconnect your computer and all attached devices from their electrical
outlets.
4 Disconnect all cables such as telephone cables, network cables and so
on, from your computer.
5 Disconnect all attached devices and peripherals, such as keyboard,
mouse, monitor, and so on, from your computer.
6 Remove any media card and optical disc from your computer, if
applicable.
7 After the computer is unplugged, press and hold the power button for 5
seconds to ground the system board.
Safety instructions
Use the following safety guidelines to protect your computer from potential
damage and ensure your personal safety.
8
WARNING: Before working inside your computer, read the safety
information that shipped with your computer. For more safety best
practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance.
WARNING: Disconnect all power sources before opening the
computer cover or panels. After you finish working inside the
computer, replace all covers, panels, and screws before connecting to
the power source.
CAUTION: To avoid damaging the computer, ensure that the work
surface is flat and clean.
CAUTION: To avoid damaging the components and cards, handle
them by their edges and avoid touching pins and contacts.
CAUTION: You should only perform troubleshooting and repairs as
authorized or directed by the Dell technical assistance team. Damage
due to servicing that is not authorized by Dell is not covered by your
warranty. See the safety instructions that shipped with the product or
at www.dell.com/regulatory_compliance.
CAUTION: Before touching anything inside your computer, ground
yourself by touching an unpainted metal surface, such as the metal at
the back of the computer. While you work, periodically touch an
unpainted metal surface to dissipate static electricity, which could
harm internal components.
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 ports and connectors are correctly oriented
and aligned.
CAUTION: Press and eject any installed card from the media-card
reader.
Recommended tools
The procedures in this document may require the following tools:
• Phillips screwdriver
9
• Plastic scribe
10
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