Lenovo Essential C315 series Stücklistenhandbuch

Version 1.0 2010.01

Hardware Replacement Guide

C310/C315 Series

31041677

Hardware Replacement Guide

Contents

Overview...................................................................................... 1

Chapter 1 Locations ................................................................. 5

Locating components and connectors...........................................5

Chapter 2 Replacing hardware ............................................... 9

General information........................................................................9

Replacing a memory module ........................................................9

Replacing the keyboard ..............................................................12

Replacing the mouse ...................................................................13

Replacing the power cord or power adapter ................................14

Appendix. .................................................................................. 15

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 computer

models that have the TV-Tuner card installed. It does not apply to those computer

models that do not have the TV-Tuner card installed.

This guide contains procedures for replacing the following parts:

• Memorymodules

• Keyboard,Mouse(wired)

• Powercord,Poweradapter

Safety information for replacing CRUs

Do not open your computer or attempt any repair 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.

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:

• CRUremovalandinstallationinformation

2Hardware Replacement Guide

• Publications

• Troubleshootinginformation

• Partsinformation

• Linkstootherusefulsourcesofinformation

To access this information, go to: http://consumersupport.lenovo.com.

Tools required

To disassemble the computer, you need the following tools:

• Wristgroundingstrapandconductivematforpreventingelectrostatic

discharge

• Flatscrewdriver

• Phillipsscrewdriver

• Hexscrewdriver

• Plasticat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 static-protective 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:

• Limityourmovement.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.

Hardware Replacement Guide

• Beforeyoureplaceanewpart,touchthestatic-protective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static-protectivepackaging,

and install it directly in the computer without setting the part down. When this

is not possible, place the static-protective 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.

4Hardware Replacement Guide

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.

Front view

The following illustrations show the location of connectors on the front of the

computer.

LCD On/Off

Brightness up

Volume up

Brightness down

Volume down

Power button

6Hardware Replacement Guide

Left and right view

The following illustrations show the location of connectors on the left and right side

of the computer.

Attention: Besurenottoblockanyairventsonthecomputer.Blockedair

vents may cause thermal problems.

1 2 3

Memory card reader Optical drive slot

USBports(2)

Hardware Replacement Guide

Rear view

The following illustration shows the location of connectors on the rear of the

computer.

Powerconnector USBports(Somemodelshave

4USBports)

TV tuner (Select models only) IEEE 1394 connector

PS/2keyboardconnector Headphone connector

Ethernet connector Microphone connector

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