Lenovo 3493 用户手册

Lenovo

Replacing the WiFi units . . . . . . . . .

Installing or removing the rear WiFi antenna .

Installing or removing the front WiFi antenna .

Replacing the keyboard or mouse . . . . .

Completing the parts replacement . . . . .

Chapter 6. Recovery information . . .

Recovery information for the Windows 7 operating
system . . . . . . . . . . . . . . . . . .

Creating and using recovery media . . . . .

Performing backup and recovery operations .

Using the Rescue and Recovery workspace .

Creating and using a rescue medium . . . .

Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . .

Reinstalling software programs . . . . . .

Reinstalling device drivers . . . . . . . .

Solving recovery problems . . . . . . . .

Recovery information for the Windows 8 operating
system . . . . . . . . . . . . . . . . . .

Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . .

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

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

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

Password considerations . . . . . . . . .

Power-On Password

. . . . . . . . . .

Administrator Password . . . . . . . . .

Hard Disk Password. . . . . . . . . . .

Setting, changing, and deleting a password .

Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . .

Enabling or disabling a device

. . . . . . . .

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

Selecting a temporary startup device . . . .

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

Enabling ErP compliance mode . . . . . . . .

Exiting the Setup Utility program

Chapter 8. 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/BIOS update failure . .

Chapter 9. Preventing problems . . .

Keeping your computer current . . . . . . . .

Getting the latest device drivers for your
computer . . . . . . . . . . . . . . .

Updating your operating system . . . . . .

Using System Update . . . . . . . . . .

Cleaning and maintenance . . . . . . . . . .

Basics . . . . . . . . . . . . . . . .

Cleaning your computer . . . . . . . . .

Good maintenance practices . . . . . . .

Moving your computer

. . . . . . . . . . .

Chapter 10. 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 . . . . . . . . . . . . .

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

Lenovo Solution Center . . . . . . . . .

Lenovo ThinkVantage Toolbox . . . . . . .

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

Chapter 11. Getting information, help,
and service . . . . . . . . . . . . .

111

Information resources . . . . . . . . . . . .

Lenovo ThinkVantage Tools . . . . . . . .

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

Help and Support. . . . . . . . . . . .

Safety and Warranty. . . . . . . . . . .

Lenovo Web site . . . . . . . . . . . .

Lenovo Support Web site. . . . . . . . .

Help and service . . . . . . . . . . . . . .

Using the documentation and diagnostic
programs . . . . . . . . . . . . . . .

Calling for service. . . . . . . . . . . .

Using other services

. . . . . . . . . .

Purchasing additional services

Appendix A. Notices . . . . . . . . .

115

Trademarks . . . . . . . . . . . . . . . .

ii

ThinkCentre User Guide