Lenovo C225 Parts list manual

Version 1.0 2011.07
Machine type: 10075/3078
10076/3079
10077/3094
10078/3095
Lenovo
C2/C3 Series
Hardware Replacement Guide
31500091

Hardware Replacement Guide
© Copyright Lenovo 2011. All rights reserved.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered
pursuant a General Services Administration “GSA” contract, use, reproduction, or
disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
© 2011. Lenovo

Contents
Overview...................................................................................... 1
Chapter 1 Locations ................................................................. 5
Locating components and connectors...........................................5
Chapter 2 Replacing hardware................................................ 9
General information........................................................................9
Replacing a memory module .......................................................10
Replacing the optical drive ...........................................................12
Replacing the hard disk drive.......................................................14
Replacing the keyboard and mouse.............................................16
Replacing the power cord............................................................17
Chapter 3 Appendix ................................................................ 19

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Hardware Replacement Guide
Overview
This guide is intended to be used by customers who are replacing Customer
Replaceable Units (CRUs) as well as trained service personnel who are replacing
Field Replaceable Units (FRUs). In this guide, CRUs and FRUs will often be referred
to as parts.
Note: Trained service personnel should refer to the Hardware Maintenance
Manual (HMM) for parts ordering information.
This guide does not include procedures for all parts. It is expected that cables,
switches, and certain mechanical parts can be replaced by trained service
personnel without the need for step-by-step procedures.
Note: Use only parts provided by Lenovo®.
The description of the TV-Tuner card in this manual applies only to those models
that have the TV-Tuner card installed. It does not apply to those models that do not
have the TV-Tuner card installed.
This guide contains procedures for replacing the following parts:
• Memorymodules
• Harddiskdrive
• Opticaldrive
• Keyboard,mouse(wired)
• Powercord
Safety information for replacing CRUs
Do not open your computer or attempt any repairs before reading the “Important
safety information” in the Safety and Warranty Guide that was included with your
computer. If you no longer have this copy of the Safety and Warranty Guide, you
can obtain one online from the Support Web site at
http://consumersupport.lenovo.com.

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Additional information resources
If you have Internet access, the most up-to-date information for your computer is
available from the World Wide Web.
You can find the following information online:
• CRUremovalandinstallationinformation
• Publications
• Troubleshootinginformation
• Partsinformation
• Linkstootherusefulsourcesofinformation
To access this information, go to: http://consumersupport.lenovo.com.
Tools required
You need the following tools to disassemble the computer:
• Wristgroundingstrapandconductivematforpreventingelectrostatic
discharge
• Flatheadscrewdriver
• Phillipsheadscrewdriver
• Hexscrewdriver
• Plasticatheadscrewdriver
• Plastictweezers
Note: Thescrewsforthedifferentcomponentsvaryinsize.Duringthe
disassembly procedure, group the screws with their corresponding
components to avoid a mismatch when replacing the components.
Handling static-sensitive devices
Static electricity, although harmless to you, can seriously damage computer
components.
When you are replacing a part, do not open the anti-static package containing the
new part until the defective part has been removed from the computer and you are
ready to install the new part.
When you handle parts and other computer components, take these precautions
to avoid static-electricity damage:

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Hardware Replacement Guide
• Limityourmovements.Movementcancausestaticelectricitytobuildup
around you.
• Alwayshandlepartsandothercomputercomponentscarefully.Handle
adapters, memory modules, system boards, and microprocessors by the
edges. Never touch any exposed circuitry.
• Preventothersfromtouchingthepartsandothercomputercomponents.
• Beforeyoureplaceanewpart,touchtheanti-staticpackagecontainingthe
part to a metal expansion-slot cover or other unpainted metal surface on
the computer for at least two seconds. This reduces static electricity in the
package and your body.
• Whenpossible,removethenewpartfromtheanti-staticpackagingandinstall
it directly into the computer without setting the part down. When this is not
possible, place the anti-static package that the part came in on a smooth, level
surface and place the part on it.
• Donotplacethepartonthecomputercoverorothermetalsurface.

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Hardware Replacement Guide
Locations
Chapter
This chapter provides illustrations to help locate the various connectors, controls
and components of the computer.
Locating components and connectors
The following illustrations will help you to locate the various components and
connectors in your computer.
Font view
The following illustration shows the location of controls and componens on the
front of the computer.