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.

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Built-inmicrophone Camera
Powerbutton Built-inIRreceiver(onlyfunctionalon
models equipped with a IR receiver
module)
Hard disk drive indicator Wireless LAN card indicator
LCD ON/OFF indicator (When
turning on the LCD, the indicator
light will be off; when turning off
the LCD, the indicator light will be
solid on.)
Menu button
Direction button Direction button
LCD ON/OFF
Left and right views
The following illustrations show the location of connectors and components on the
left and right sides of the computer.
Attention: Besurenottoblockanyairventsonthecomputer.Blockedair
vents may cause overheating.
Memory card reader USBports(2)
Headphone connector Microphone connector
Optical drive

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Hardware Replacement Guide
Rear view
The following illustration shows the location of connectors on the rear of the
computer.
Ethernet connector USBports(4)
TV tuner port Powerconnector

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Hardware Replacement Guide
Attention:
Do not remove the computer cover or attempt any repairs before reading
the “Important safety information” in the Safety and Warranty Guide that was
included with your computer or in the Hardware Maintenance Manual (HMM)
for the computer. To obtain copies of the Safety and Warranty Guide or
HMM, go to the Support Web site at: http://consumersupport.lenovo.com
Note: Use only parts provided by Lenovo.
General information
Pre-disassembly instructions
Beforeproceedingwiththedisassemblyprocedure,makesurethatyoudothe
following:
1. Turn off the power to the system and all peripherals.
2. Unplug all power and signal cables from the computer.
3. Placethesystemonaat,stablesurface.
Replacing hardware
Chapter

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Replacing a memory module
Attention:
Turn off the computer and wait 3 to 5 minutes to let it cool down before
removing the cover.
Note: Itmaybehelpfultoplacethecomputerface-downonasoftatsurface
for this procedure. Lenovo recommends that you use a blanket, towel, or
other soft cloth to protect the touch screen from scratches or other damage.
1. Remove any media (disks, CDs, or memory cards) from the drives, shut down
the operating system, and turn off the computer and all attached devices.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer. Refer to “Left and right views” and “Rear view” for help with locating
the various connectors.
4. Remove the memory cover as shown.
1
2

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Hardware Replacement Guide
5. Pushoutthelatchesonbothsidesofthememorysockettoreleasethe
memory module and gently pull the memory module upward to remove it
from its socket. All of the memory modules can be removed using the same
procedure.
3 3
4
6. Align the new memory module with the memory socket, then insert it and push
down on the top edge. Make sure the latches lock the memory module in
place.
7. Align then slide back the memory cover.
8. Reattach the memory cover and secure it with the screw.

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Replacing the optical drive
Attention:
Turn off the computer and wait 3 to 5 minutes to let it cool down before
replacing the optical drive.
To remove the optical drive:
Note: Itmaybehelpfultoplacethecomputerface-downonasoftatsurface
for this procedure. Lenovo recommends that you use a blanket, towel, or
other soft cloth to protect the screen from scratches or other damage.
1. Remove any media (disks, CDs, or memory cards) from the drives, shut down
the operating system, and turn off the computer and all attached devices.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer. Refer to “Left and right views” and “Rear view” for help with locating
the various connectors.
4. Remove the rubber cap that protects the screw.
5. Remove the screw that secures the optical drive to the chassis.
6. Pushtheopticaldrivesothatitslidesoutofthedrivebay.
12
3
4

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Hardware Replacement Guide
7. Pushasmallmetalstick(e.g.apaperclip)intothesmallholeontheoptical
drive cover so that the drive springs out as shown.
8. Remove the 2 screws that secure the optical drive to the metal bracket.
9. Useasmallatheadscrewdrivertopressandpushoutthepinsthatsecure
the cover to the disk.
10. Separate the cover from the defective optical drive.

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11. Install the new optical drive as follows:
(1) Align the new optical drive with the cover, and then push the cover back into
position.
(2) Screw the metal bracket onto the new optical drive.
(3) Slide the new optical drive into the drive bay.
12. Screw the new optical drive onto the chassis.
Replacing the hard disk drive
Attention:
Turn off the computer and wait 3 to 5 minutes to let it cool down before
replacing the hard disk drive.
To replace the hard disk drive:
Note: Itmaybehelpfultoplacethecomputerface-downonasoftatsurface
for this procedure. Lenovo recommends that you use a blanket, towel, or
other soft cloth to protect the screen from scratches or other damage.
1. Remove the hard disk drive cover as shown.
1
2

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Hardware Replacement Guide
2. Remove the screw that secures the hard disk drive bay to the chassis.
3. Spring up the handle on the hard disk drive bay, then slide and lift the hard disk
drive bay out of the chassis as shown.
3
4
4. Remove the 4 screws that secure the hard disk drive to the disk bay and slide
the defective hard disk drive out of the bay.