Lenovo 2993 Personal Computer User Manual


 
Replacing the cover presence switch . . . . 70
Replacing the internal speaker. . . . . . . 72
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . . 74
Replacing the WiFi units . . . . . . . . . 76
Installing or removing the rear WiFi antenna . 80
Installing or removing the front WiFi antenna . 82
Replacing the keyboard or mouse . . . . . 85
Completing the parts replacement . . . . . 85
Chapter 6. Recovery information . . . 87
Recovery information for the Windows 7 operating
system. . . . . . . . . . . . . . . . . . 87
Creating and using recovery media . . . . . 87
Performing backup and recovery operations . 88
Using the Rescue and Recovery workspace . 89
Creating and using a rescue medium . . . . 90
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . . 91
Reinstalling software programs . . . . . . 92
Reinstalling device drivers . . . . . . . . 92
Solving recovery problems . . . . . . . . 92
Recovery information for the Windows 8 operating
system. . . . . . . . . . . . . . . . . . 93
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . . 95
Starting the Setup Utility program . . . . . . . 95
Viewing and changing settings . . . . . . . . 95
Using passwords. . . . . . . . . . . . . . 95
Password considerations. . . . . . . . . 96
Power-On Password . . . . . . . . . . 96
Administrator Password . . . . . . . . . 96
Hard Disk Password. . . . . . . . . . . 96
Setting, changing, and deleting a password . 96
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 97
Enabling or disabling a device . . . . . . . . 97
Selecting a startup device . . . . . . . . . . 98
Selecting a temporary startup device . . . . 98
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 98
Enabling ErP compliance mode . . . . . . . . 98
ICE performance mode . . . . . . . . . . . 99
ICE thermal alert . . . . . . . . . . . . . . 99
Exiting the Setup Utility program . . . . . . . 100
Chapter 8. Updating system
programs . . . . . . . . . . . . . . 101
Using system programs . . . . . . . . . . . 101
Updating (ashing) the BIOS from a disc . . . . 101
Updating (ashing) the BIOS from your operating
system. . . . . . . . . . . . . . . . . . 102
Recovering from a POST/BIOS update failure . . 102
Chapter 9. Preventing problems . . 103
Keeping your computer current . . . . . . . . 103
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . . 103
Updating your operating system . . . . . . 103
Using System Update . . . . . . . . . . 104
Cleaning and maintenance . . . . . . . . . . 104
Basics . . . . . . . . . . . . . . . . 104
Cleaning your computer . . . . . . . . . 105
Good maintenance practices . . . . . . . 106
Moving your computer . . . . . . . . . . . 106
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . . 107
Basic troubleshooting . . . . . . . . . . . . 107
Troubleshooting procedure . . . . . . . . . . 108
Troubleshooting . . . . . . . . . . . . . . 108
Audio problems . . . . . . . . . . . . 109
CD problems . . . . . . . . . . . . . 110
DVD problems . . . . . . . . . . . . . 111
Intermittent problems . . . . . . . . . . 113
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . . 113
Monitor problems. . . . . . . . . . . . 115
Networking problems . . . . . . . . . . 116
Option problems . . . . . . . . . . . . 119
Performance and lockup problems . . . . . 120
Printer problems . . . . . . . . . . . . 122
Serial port problems. . . . . . . . . . . 122
Software problems . . . . . . . . . . . 123
USB problems . . . . . . . . . . . . . 124
Lenovo Solution Center . . . . . . . . . . . 124
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . . 125
Information resources . . . . . . . . . . . . 125
Lenovo ThinkVantage Tools . . . . . . . . 125
Lenovo Welcome . . . . . . . . . . . . 125
Help and Support. . . . . . . . . . . . 125
Safety and Warranty. . . . . . . . . . . 125
Lenovo Web site . . . . . . . . . . . . 125
Lenovo Support Web site. . . . . . . . . 126
Help and service . . . . . . . . . . . . . . 126
Using the documentation and diagnostic
program . . . . . . . . . . . . . . . 126
Calling for service. . . . . . . . . . . . 126
Using other services . . . . . . . . . . 127
Purchasing additional services . . . . . . 127
ii ThinkCentre User Guide