Lenovo 1761E4U, User Manual

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Reinstalling preinstalled applications and device
drivers . . . . . . . . . . . . . . . . . .
39
Reinstalling software programs . . . . . . . . 40
Reinstalling device drivers . . . . . . . . . . 40
Solving recovery problems . . . . . . . . . . 40
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . .
43
Starting the Setup Utility program . . . . . . . 43
Viewing and changing settings . . . . . . . . 43
Using passwords. . . . . . . . . . . . . . 43
Password considerations . . . . . . . . . 44
Power-On Password . . . . . . . . . . 44
Administrator Password . . . . . . . . . 44
Hard Disk Password. . . . . . . . . . . 44
Setting, changing, and deleting a password . 44
Enabling or disabling a device . . . . . . . . 45
Selecting a startup device . . . . . . . . . . 45
Selecting a temporary startup device . . . . 45
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
45
Exiting from the Setup Utility program . . . . . 46
Chapter 8. Updating system
programs . . . . . . . . . . . . . . .
47
Using system programs . . . . . . . . . . . 47
Updating (flashing) the BIOS from a disc . . . . 47
Updating (flashing) the BIOS from your operating
system . . . . . . . . . . . . . . . . . .
48
Chapter 9. Preventing problems . . . 49
Keeping your computer current . . . . . . . . 49
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . .
49
Updating your operating system . . . . . . 49
Using System Update . . . . . . . . . . 49
Cleaning and maintenance . . . . . . . . . . 50
Basics . . . . . . . . . . . . . . . . 50
Cleaning your computer . . . . . . . . . 51
Good maintenance practices . . . . . . . 52
Moving your computer . . . . . . . . . . . 52
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
53
Basic troubleshooting . . . . . . . . . . . . 53
Troubleshooting procedure . . . . . . . . . . 54
Troubleshooting . . . . . . . . . . . . . . 54
Audio problems . . . . . . . . . . . . 55
CD problems . . . . . . . . . . . . . 56
DVD problems . . . . . . . . . . . . . 57
Intermittent problems . . . . . . . . . . 59
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
59
Monitor problems. . . . . . . . . . . . 61
Networking problems . . . . . . . . . . 62
Option problems . . . . . . . . . . . . 65
Performance and lockup problems . . . . . 66
Printer problems . . . . . . . . . . . . 67
Serial port problems. . . . . . . . . . . 67
Software problems . . . . . . . . . . . 68
USB problems . . . . . . . . . . . . . 69
Diagnostic programs . . . . . . . . . . . . 69
Lenovo Solution Center . . . . . . . . . 70
Lenovo ThinkVantage Toolbox . . . . . . . 70
PC-Doctor for DOS . . . . . . . . . . . 70
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . . .
73
Information resources . . . . . . . . . . . . 73
Lenovo ThinkVantage Tools . . . . . . . . 73
Lenovo Welcome . . . . . . . . . . . . 73
Help and Support. . . . . . . . . . . . 73
Safety and Warranty. . . . . . . . . . . 73
Lenovo Web site (http://www.lenovo.com) . . 73
Lenovo Support Web site. . . . . . . . . 74
Help and service . . . . . . . . . . . . . . 74
Using the documentation and diagnostic
programs . . . . . . . . . . . . . . .
74
Calling for service. . . . . . . . . . . . 74
Using other services . . . . . . . . . . 75
Purchasing additional services . . . . . . 75
Appendix A. Notices . . . . . . . . . . 77
Trademarks . . . . . . . . . . . . . . . . 78
Appendix B. Regulatory
information . . . . . . . . . . . . . .
79
Export classification notice . . . . . . . . . . 79
Television output notice . . . . . . . . . . . 79
Electronic emissions notices . . . . . . . . . 79
Federal Communications Commission
Declaration of Conformity
. . . . . . . . 79
Additional regulatory information . . . . . . . 81
Appendix C. WEEE and recycling
information . . . . . . . . . . . . . .
83
Important information for the European Directive
2002/96/EC . . . . . . . . . . . . . . . .
83
Recycling information . . . . . . . . . . . . 83
Index. . . . . . . . . . . . . . . . . . 85
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ThinkCentre User Guide