Справочник Пользователя для Lenovo 5068

Contents

Chapter 1. About this manual . . . . . . 1

Important Safety Information . . . . . . . . . .

Chapter 2. Safety information . . . . . . 3

General safety . . . . . . . . . . . . . . . .

Electrical safety . . . . . . . . . . . . . . .

Safety inspection guide . . . . . . . . . . . .

Handling electrostatic discharge-sensitive
devices

. . . . . . . . . . . . . . . . . .

Grounding requirements . . . . . . . . . . . .

Safety notices (multi-lingual translations) . . . . .

Chapter 3. General information . . . .

Lenovo ThinkVantage Tools

. . . . . . . . .

Lenovo Welcome. . . . . . . . . . . . . .

Lenovo ThinkVantage Toolbox

. . . . . . . .

Additional information resources

. . . . . . .

Specifications . . . . . . . . . . . . . . .

Chapter 4. General Checkout . . . . .

Problem determination tips . . . . . . . . . .

Chapter 5. Troubleshooting and
diagnostics . . . . . . . . . . . . . .

Basic troubleshooting . . . . . . . . . . . .

Troubleshooting procedure . . . . . . . . . .

Troubleshooting . . . . . . . . . . . . . .

Audio problems . . . . . . . . . . . .

CD problems . . . . . . . . . . . . .

DVD problems . . . . . . . . . . . . .

Intermittent problems . . . . . . . . . .

Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .

Monitor problems. . . . . . . . . . . .

Networking problems . . . . . . . . . .

Option problems . . . . . . . . . . . .

Performance and lockup problems . . . . .

Printer problems . . . . . . . . . . . .

Serial port problems. . . . . . . . . . .

Software problems . . . . . . . . . . .

USB problems . . . . . . . . . . . . .

Diagnostics . . . . . . . . . . . . . . . .

Lenovo ThinkVantage Toolbox . . . . . . .

PC-Doctor for DOS . . . . . . . . . . .

Chapter 6. Using the Setup Utility
program . . . . . . . . . . . . . . . .

Starting the Setup Utility program . . . . . . .

Viewing and changing settings . . . . . . . .

Using passwords. . . . . . . . . . . . . .

Password considerations . . . . . . . . .

Power-On Password

. . . . . . . . . .

Administrator Password . . . . . . . . .

Setting, changing, and deleting a password .

Enabling or disabling a device

. . . . . . . .

Selecting a startup device . . . . . . . . . .

Selecting a temporary startup device . . . .

Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .

Exiting the Setup Utility program

. . . . . . .

Chapter 7. Symptom-to-FRU Index . .

Hard disk drive boot error . . . . . . . . . .

Power Supply Problems . . . . . . . . . . .

Diagnostic error codes . . . . . . . . . . .

Beep symptoms . . . . . . . . . . . . . .

POST error codes . . . . . . . . . . . . .

Miscellaneous error conditions . . . . . . . .

Undetermined problems . . . . . . . . . . .

Chapter 8. Replacing FRUs . . . . . .

Locating connectors, controls, and indicators on
the front of your computer . . . . . . . . . .

Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . . .

FRU locations . . . . . . . . . . . . . . .

System board parts and connectors . . . . . .

Removing and reinstalling the system stand hinge
cover . . . . . . . . . . . . . . . . . .

Removing and reinstalling the system stand . . .

Removing and reinstalling the foot stands . . . .

Removing the computer cover . . . . . . . .

Replacing the hard disk drive . . . . . . . . .

Replacing the optical drive . . . . . . . . . .

Removing the VESA mount bracket . . . . . .

Replacing the rear I/O assembly . . . . . . . .

Removing and reinstalling the system board
shield . . . . . . . . . . . . . . . . . .

Replacing the power supply . . . . . . . . .

Replacing the microprocessor fan . . . . . . .

100

Replacing the heat sink assembly . . . . . . .

101

Replacing the microprocessor

. . . . . . . .

103

Replacing the card reader . . . . . . . . . .

106

Opening the system board shield window . . . .

107

Replacing the battery . . . . . . . . . . . .

108

Replacing the inverter . . . . . . . . . . . .

109

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