Configuring ThinkPad Setup . . . . . . . . 57
Changing the startup sequence . . . . . . . 57
Updating the UEFI BIOS. . . . . . . . . . 58
BIOS menu. . . . . . . . . . . . . . . 58
Using system management . . . . . . . . . . 69
Chapter 6. Troubleshooting
computer problems . . . . . . . . . . 71
General tips for preventing problems . . . . . . 71
Diagnosing problems . . . . . . . . . . . . 71
Troubleshooting . . . . . . . . . . . . . . 72
Computer stops responding . . . . . . . . 72
Spills on the keyboard . . . . . . . . . . 72
Error messages . . . . . . . . . . . . . 72
Beep errors. . . . . . . . . . . . . . . 74
Memory module problems . . . . . . . . . 75
Ethernet problems . . . . . . . . . . . . 76
Wireless-LAN problem . . . . . . . . . . 77
Wireless-WAN problem . . . . . . . . . . 77
Bluetooth problem . . . . . . . . . . . . 77
ThinkPad pointing device problems . . . . . 77
Keyboard problems . . . . . . . . . . . 78
Computer screen problems . . . . . . . . 78
External monitor problems . . . . . . . . . 80
Audio problems . . . . . . . . . . . . . 81
Fingerprint reader problems . . . . . . . . 83
Battery problems . . . . . . . . . . . . 83
ac power adapter problem. . . . . . . . . 83
Power problems. . . . . . . . . . . . . 84
Power button problem . . . . . . . . . . 84
Boot problems . . . . . . . . . . . . . 84
Sleep and hibernation problems . . . . . . 85
Hard disk drive problems . . . . . . . . . 85
Solid-state drive problem . . . . . . . . . 86
ThinkPad Pen Pro problem . . . . . . . . 86
Software problem . . . . . . . . . . . . 86
USB problem . . . . . . . . . . . . . . 86
Chapter 7. 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 8. Replacing devices . . . . . 91
Customer Replaceable Units. . . . . . . . . . 91
Static electricity prevention . . . . . . . . . . 91
Disabling the built-in battery . . . . . . . . . . 92
Replacing the nano SIM card . . . . . . . . . 92
Replacing the base cover assembly . . . . . . . 93
Replacing the wireless-WAN card. . . . . . . . 94
Replacing the M.2 solid-state drive . . . . . . . 96
Replacing the coin-cell battery . . . . . . . . . 97
Chapter 9. Getting support . . . . . . 99
Before you contact Lenovo . . . . . . . . . . 99
Getting help and service . . . . . . . . . . . 99
Lenovo Support Web site . . . . . . . . . 100
Calling Lenovo . . . . . . . . . . . . . 100
Purchasing additional services . . . . . . . . . 101
Appendix A. Supplemental
information about the Ubuntu operating
system . . . . . . . . . . . . . . . . . 103
Appendix B. Regulatory
information . . . . . . . . . . . . . . . 105
Certification-related information . . . . . . . . 105
Wireless-related information . . . . . . . . . . 105
Wireless interoperability. . . . . . . . . . 105
Usage environment and your health . . . . . 105
Locating the UltraConnect wireless
antennas. . . . . . . . . . . . . . . . 106
Wireless-radio compliance information . . . . 106
Locating wireless regulatory notices . . . . . 107
TCO certification . . . . . . . . . . . . . . 107
Export classification notice . . . . . . . . . . 107
Electronic emission notices . . . . . . . . . . 107
Federal Communications Commission
Declaration of Conformity . . . . . . . . . 107
Industry Canada Class B emission
compliance statement . . . . . . . . . . 108
European Union conformity . . . . . . . . 108
German Class B compliance statement. . . . 108
Japan VCCI Class B compliance
statement . . . . . . . . . . . . . . . 109
Japan compliance statement for products
which connect to the power mains with rated
current less than or equal to 20 A per
phase . . . . . . . . . . . . . . . . . 109
Japan notice for ac power cord . . . . . . . 109
Lenovo product service information for Taiwan . . 109
Eurasian compliance mark . . . . . . . . . . 109
Brazil audio notice . . . . . . . . . . . . . . 109
Appendix C. WEEE and recycling
statements of countries and
regions . . . . . . . . . . . . . . . . . 111
General recycling information . . . . . . . . . 111
Important WEEE information. . . . . . . . . . 111
Japan recycling statements . . . . . . . . . . 112
Recycling information for Brazil. . . . . . . . . 113
ii X380 Yoga User Guide
