Lenovo 10086, 3109, 4743 K430 4.2 Replacing hardware

37

User Guide

Mini PCI-E slot Power connector

eSATA connector Power fan header

SSD power connector (Optional) LPC debug connector

SATA connectors (4) Serial (COM2) connector

Front panel connector SPI debug connector

Mode switch connector Front USB connector (2)

ROM socket Clear CMOS jumper

Front USB header PCI express X 1 adapter slots (3)

Front audio connector PCI express X 16 adapter slot

System fan header

4.2 Replacing hardware

Attention: Do not remove the computer cover or attempt any repair

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.

4.2.1 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 ﬂat, stable surface.

Contents

Main Important Safety Information Page Contents Important Safety Information Chapter 1 Using the Computer Hardware ..............................1 Chapter 2 Using the Rescue System .................................... 19 Chapter 3 Troubleshooting and Conrming Setup ..............23 Page Using the Computer Hardware 2 1.1 Front view of the chassis 1.2 Rear view of the chassis 4 Page 6 1.3 Connecting your computer 1.3.2 Basic connector instructions Page 8 1.4 7.1 Audio conguration instructions Sound conguration is as follows: 9 Front channel Surround Center-LEF The congurations are as followings: 1.6 Connect the power cords properly to grounded electrical outlets 1.7 How to play Blu-ray Discs (selected models only) 1.8 Wired keyboard (selected models only) 1.9 Hot-swappable hard disk (selected models only) Page Page 14 1.10 Power Control Switch (selected models only) Page 16 Page 18 Chapter Using the Rescue System This chapter contains the following topics: 20 Note about the service partition: 2.1 OneKey Recovery 2.2 Driver and Application Installation Method 1: Automatic Installation Method 2: Manual Installation 2.3 System Setup 2.3.1 Launch 2.3.2 Network Settings 22 2.3.3 Password Management 2.4 System Backup 2.5 System Recovery 2.6 Create Recovery Disc Page 24 Solving Problems 3.1 Troubleshooting Display Problems 3.2 Troubleshooting Audio Problems 3.3 Troubleshooting Software Problems 26 3.4 Troubleshooting Problems with Optical Drives and Hard Disks 3.5 Special considerations for troubleshooting Windows 28 3.6 Performing Daily Maintenance Tasks Hardware Replacement Guide This chapter contains the following topics: Chapter 30 Overview Safety information for replacing CRUs Additional information resources Tools required 32 Handling static-sensitive devices 4.1 Locations 4.1.1 Identifying internal components 34 4.1.2 Identifying parts on the system board Page 36 37 4.2 Replacing hardware 4.2.1 General information Pre-disassembly instructions 38 4.2.2 Removing the computer cover To remove the computer cover: 4.2.3 Removing the front bezel 40 4.2.4 Replacing a memory module To replace a memory module: 4.2.5 Replacing a hard disk drive 42 4.2.6 Replacing an optical drive To replace an optical drive: 4.2.7 Replacing a graphics card 44 Page 46 4.2.8 Replacing the TV-Tuner card To replace the TV-Tuner card: Page 4.2.9 Replacing the keyboard and mouse Appendix. Declaration 50 Trademarks Energy Star Statement