Lenovo 3000 H305 User Manual

Contents
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Contents
Chapter 1. About this manual ................................................ 1
Important Safety Information ......................................................................1
Important information about replacing RoHS compliant FRUs ..2
Chapter 2. Safety information ................................................ 3
General safety .......................................................................................................3
Electrical safety .................................................................................................... 4
Safety inspection guide ...................................................................................6
Handling electrostatic discharge-sensitive devices ......................... 7
Grounding requirements ...............................................................................7
Safety notices ........................................................................................................8
Chapter 3. General information ...........................................11
Specifications ..................................................................................................... 11
Chapter 4. General Checkout ...............................................12
Problem determination tips ...................................................................... 13
Chapter 5. Using the Setup Utility ......................................15
Starting the Setup Utility program ......................................................... 15
Viewing and changing settings ................................................................ 15
Using passwords .............................................................................................. 16
Using Device ...................................................................................................... 18
Selecting a startup device ........................................................................... 19
Exiting from the Setup Utility program ................................................ 20

Lenovo 3000 H305 Specifications

General

Memory	Up to 4GB DDR2
Hard Drive	SATA
Optical Drive	DVD
Audio	Integrated audio
Networking	Gigabit Ethernet
Ports	USB 2.0
Operating System	Windows Vista

Summary

Chapter 1. About this manual

Important Safety Information

Information about safety precautions before servicing.

Chapter 2. Safety information

General safety

General guidelines for safe operation and maintenance.

Electrical safety

Precautions when working with electrical components.

Safety inspection guide

Checklist for identifying potentially unsafe conditions.

Handling electrostatic discharge-sensitive devices

Safety notices

Lithium Battery Safety

Precautions for handling and replacing lithium batteries.

Laser Product Safety

Safety precautions for laser products like CD-ROM drives.

Lifting Safety

Use safe practices when lifting heavy objects.

Power Handling Safety

Precautions regarding power control buttons and cords.

Chapter 5. Using the Setup Utility

Starting the Setup Utility program

Chapter 6. Symptom-to-FRU Index

Power Supply Problems

POST error codes

Chapter 8. Replacing hardware

Removing the computer cover

Removing the front bezel

Replacing the optical drive

Replacing a memory module

Steps to replace RAM modules.

Replacing the hard disk drive

Guide for installing a new hard disk drive.

Replacing the system fan

Instructions for swapping out the system cooling fan.

Replacing the heat sink

Procedure for replacing the CPU heatsink.

Replacing the CPU

Steps to remove and install the Central Processing Unit.

Replacing the graphic card

Replacing the audio & USB connectors

Replacing the card reader module

Replacing the motherboard

Instructions for replacing the main system board.

Replacing the Power supply

Guide for installing a new power supply unit.