Lenovo 5055 用户手册

Contents

Important safety information . . . . . . v

Chapter 1. Product overview . . . . . . 1

Features . . . . . . . . . . . . . . . . . .

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

Software overview . . . . . . . . . . . . . .

Software provided with your Windows
operating system . . . . . . . . . . . . .

Locations. . . . . . . . . . . . . . . . . .

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

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

Locating components . . . . . . . . . . .

Locating parts on the system board

. . . . .

Locating internal drives . . . . . . . . .

Chapter 2. Installing or replacing
hardware . . . . . . . . . . . . . . .

Handling static-sensitive devices . . . . . . .

Installing or replacing hardware . . . . . . . .

Installing external options

. . . . . . . .

Removing the computer cover. . . . . . .

Removing and reinstalling the front bezel . .

Installing or replacing a PCI card . . . . . .

Installing or replacing a memory module . . .

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

Replacing the power supply assembly

. . .

Replacing the heat sink and fan assembly . .

Replacing the microprocessor . . . . . . .

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

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

Replacing the front audio and USB
assembly . . . . . . . . . . . . . . .

Replacing the rear fan assembly . . . . . .

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

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

Completing the parts replacement . . . . .

Obtaining device drivers . . . . . . . . . . .

Basic security features . . . . . . . . . . .

Integrated cable lock . . . . . . . . . .

Padlock

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

Password protection

. . . . . . . . . .

Erasing a lost or forgotten password (clearing
CMOS) . . . . . . . . . . . . . . . .

Chapter 3. Recovery information. . .

Creating and using recovery media

. . . . . .

Creating recovery media . . . . . . . . .

Using recovery media . . . . . . . . . .

Performing backup and recovery operations . . .

Performing a backup operation . . . . . .

Performing a recovery operation . . . . . .

Using the Rescue and Recovery workspace . . .

Creating and using a rescue medium . . . . . .

Creating a rescue medium . . . . . . . .

Using a rescue medium . . . . . . . . .

Installing or reinstalling device drivers

. . . . .

Solving recovery problems . . . . . . . . . .

Chapter 4. Using the Setup Utility
program . . . . . . . . . . . . . . . .

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

Viewing or changing settings . . . . . . . . .

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

Password considerations . . . . . . . . .

Power-on password . . . . . . . . . . .

Administrator password . . . . . . . . .

Setting, changing, or deleting a password . .

Enabling or disabling a device

. . . . . . . .

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

Selecting a temporary startup device . . . .

Viewing or changing the startup device
sequence . . . . . . . . . . . . . . .

Exiting the Setup Utility program

. . . . . . .

Chapter 5. Updating system
programs . . . . . . . . . . . . . . .

Using system programs . . . . . . . . . . .

Updating (flashing) the BIOS from a disc . . . .

Updating (flashing) the BIOS from your operating
system . . . . . . . . . . . . . . . . . .

Recovering from a POST and BIOS update
failure . . . . . . . . . . . . . . . . . .

Chapter 6. Troubleshooting and
diagnostic programs . . . . . . . . .

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

Diagnostic programs . . . . . . . . . . . .

Lenovo ThinkVantage Toolbox . . . . . . .

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

Cleaning the mouse

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

Optical mouse . . . . . . . . . . . . .

Non-optical mouse . . . . . . . . . . .

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