Lenovo 2121 Laptop User Manual


 
Replacing the WiFi card module . . . . . . 64
Installing or removing the rear WiFi antenna . 66
Replacing the system fan. . . . . . . . . 69
Replacing the internal speaker. . . . . . . 71
Replacing the keyboard or mouse . . . . . 73
Completing the parts replacement . . . . . 74
Chapter 6. Recovery information . . . 77
Recovery information for the Windows 7 operating
system. . . . . . . . . . . . . . . . . . 77
Creating and using recovery media . . . . . 77
Performing backup and recovery operations . 78
Using the Rescue and Recovery workspace . 79
Creating and using a rescue medium . . . . 80
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . . 81
Reinstalling software programs . . . . . . 82
Reinstalling device drivers . . . . . . . . 82
Solving recovery problems . . . . . . . . 82
Recovery information for the Windows 8 operating
system. . . . . . . . . . . . . . . . . . 83
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . . 85
Starting the Setup Utility program . . . . . . . 85
Viewing and changing settings . . . . . . . . 85
Using passwords. . . . . . . . . . . . . . 85
Password considerations. . . . . . . . . 86
Power-On Password . . . . . . . . . . 86
Administrator Password . . . . . . . . . 86
Hard Disk Password. . . . . . . . . . . 86
Setting, changing, and deleting a password . 86
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 87
Enabling or disabling a device . . . . . . . . 87
Selecting a startup device . . . . . . . . . . 88
Selecting a temporary startup device . . . . 88
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 88
Enabling ErP compliance mode . . . . . . . . 88
ICE performance mode . . . . . . . . . . . 89
ICE thermal alert . . . . . . . . . . . . . . 89
Exiting the Setup Utility program . . . . . . . 90
Chapter 8. Updating system
programs . . . . . . . . . . . . . . . 91
Using system programs . . . . . . . . . . . 91
Updating (ashing) the BIOS from a disc . . . . 91
Updating (ashing) the BIOS from your operating
system. . . . . . . . . . . . . . . . . . 92
Recovering from a POST/BIOS update failure . . 92
Chapter 9. Preventing problems . . . 93
Keeping your computer current . . . . . . . . 93
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . . 93
Updating your operating system . . . . . . 93
Using System Update . . . . . . . . . . 94
Cleaning and maintenance . . . . . . . . . . 94
Basics . . . . . . . . . . . . . . . . 94
Cleaning your computer . . . . . . . . . 95
Good maintenance practices . . . . . . . 96
Moving your computer . . . . . . . . . . . 96
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . . . 97
Basic troubleshooting . . . . . . . . . . . . 97
Troubleshooting procedure . . . . . . . . . . 98
Troubleshooting . . . . . . . . . . . . . . 98
Audio problems . . . . . . . . . . . . 99
CD problems . . . . . . . . . . . . . 100
DVD problems . . . . . . . . . . . . . 101
Intermittent problems . . . . . . . . . . 103
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . . 103
Monitor problems. . . . . . . . . . . . 105
Networking problems . . . . . . . . . . 106
Option problems . . . . . . . . . . . . 109
Performance and lockup problems . . . . . 110
Printer problems . . . . . . . . . . . . 111
Serial port problems. . . . . . . . . . . 112
Software problems . . . . . . . . . . . 112
USB problems . . . . . . . . . . . . . 113
Lenovo Solution Center . . . . . . . . . . . 114
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . . 115
Information resources . . . . . . . . . . . . 115
Lenovo ThinkVantage Tools . . . . . . . . 115
Lenovo Welcome . . . . . . . . . . . . 115
Help and Support. . . . . . . . . . . . 115
Safety and Warranty. . . . . . . . . . . 115
Lenovo Web site . . . . . . . . . . . . 115
Lenovo Support Web site. . . . . . . . . 116
Help and service . . . . . . . . . . . . . . 116
Using the documentation and diagnostic
program . . . . . . . . . . . . . . . 116
Calling for service. . . . . . . . . . . . 116
Using other services . . . . . . . . . . 117
Purchasing additional services . . . . . . 117
Appendix A. Notices. . . . . . . . . 119
Trademarks . . . . . . . . . . . . . . . . 120
ii ThinkCentre User Guide