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Lenovo 20JD - Page 4

Lenovo 20JD
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Protecting data against viruses . . . . . . . . . 55
Chapter 6. Advanced
configuration . . . . . . . . . . . . . . 57
Installing the Windows 10 operating system . . . . 57
Installing device drivers . . . . . . . . . . . . 58
Using the ThinkPad Setup program . . . . . . . 58
Configuring ThinkPad Setup . . . . . . . . 59
Changing the startup sequence . . . . . . . 59
Updating the UEFI BIOS. . . . . . . . . . 60
BIOS menu. . . . . . . . . . . . . . . 60
Using system management . . . . . . . . . . 70
Chapter 7. Troubleshooting
computer problems . . . . . . . . . . 73
General tips for preventing problems . . . . . . 73
Diagnosing problems . . . . . . . . . . . . 73
Troubleshooting . . . . . . . . . . . . . . 74
Computer stops responding . . . . . . . . 74
Spills on the keyboard . . . . . . . . . . 74
Error messages . . . . . . . . . . . . . 74
Beep errors. . . . . . . . . . . . . . . 76
Ethernet problems . . . . . . . . . . . . 77
Wireless-LAN problem . . . . . . . . . . 78
A wireless-WAN problem . . . . . . . . . 78
Bluetooth problem . . . . . . . . . . . . 79
ThinkPad pointing device problems . . . . . 79
Keyboard problems . . . . . . . . . . . 79
Computer screen problems . . . . . . . . 80
External monitor problems . . . . . . . . . 82
Audio problems . . . . . . . . . . . . . 83
Fingerprint reader problems . . . . . . . . 84
Battery problems . . . . . . . . . . . . 84
Power adapter problem . . . . . . . . . . 85
Power problems. . . . . . . . . . . . . 85
Power button problem . . . . . . . . . . 86
Boot problems . . . . . . . . . . . . . 86
Sleep and hibernation problems . . . . . . 86
ThinkPad Pen Pro problem . . . . . . . . 87
Software problem . . . . . . . . . . . . 87
USB problem . . . . . . . . . . . . . . 87
Chapter 8. Recovery information . . . 89
Resetting your computer . . . . . . . . . . . 89
Using advanced startup options . . . . . . . . 89
Recovering your operating system if Windows 10
fails to start . . . . . . . . . . . . . . . . 89
Creating and using a recovery USB drive . . . . . 90
Chapter 9. Replacing devices . . . . . 91
Static electricity prevention . . . . . . . . . . 91
Disabling the built-in battery . . . . . . . . . . 91
Replacing the micro SIM card . . . . . . . . . 92
Replacing the base cover assembly . . . . . . . 92
Replacing the wireless-WAN card. . . . . . . . 93
Replacing the M.2 solid-state drive . . . . . . . 95
Replacing the coin-cell battery . . . . . . . . . 97
Replacing the speaker assembly . . . . . . . . 98
Replacing the power button card . . . . . . . . 100
Chapter 10. Getting support. . . . . . 103
Before you contact Lenovo . . . . . . . . . . 103
Getting help and service . . . . . . . . . . . 103
Using diagnostic programs . . . . . . . . 104
Lenovo Support Web site . . . . . . . . . 104
Calling Lenovo . . . . . . . . . . . . . 104
Purchasing additional services . . . . . . . . . 105
Appendix A. Supplemental
information about the Ubuntu operating
system . . . . . . . . . . . . . . . . . 107
Appendix B. Regulatory
information . . . . . . . . . . . . . . . 109
Certification-related information . . . . . . . . 109
Wireless-related information . . . . . . . . . . 109
Wireless interoperability. . . . . . . . . . 109
Usage environment and your health . . . . . 109
Locating the UltraConnect wireless
antennas. . . . . . . . . . . . . . . . 110
Wireless-radio compliance information . . . . 110
Locating wireless regulatory notices . . . . . 110
TCO certification . . . . . . . . . . . . . . 110
Export classification notice . . . . . . . . . . 111
Electronic emission notices . . . . . . . . . . 111
Federal Communications Commission
Declaration of Conformity . . . . . . . . . 111
Industry Canada Class B emission
compliance statement . . . . . . . . . . 111
European Union conformity . . . . . . . . 111
German Class B compliance statement. . . . 112
Japan VCCI Class B compliance
statement . . . . . . . . . . . . . . . 113
Japan compliance statement for products
which connect to the power mains with rated
current less than or equal to 20 A per
phase . . . . . . . . . . . . . . . . . 113
Japan notice for ac power cord . . . . . . . 113
Lenovo product service information for
Taiwan . . . . . . . . . . . . . . . . 113
Eurasian compliance mark . . . . . . . . . . 113
Brazil audio notice. . . . . . . . . . . . . . 113
ii User Guide

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