Wireless-LAN problem . . . . . . . . . . 77
Bluetooth problem . . . . . . . . . . . . 77
ThinkPad pointing device problems . . . . . 77
Keyboard problems . . . . . . . . . . . 77
Computer screen problems . . . . . . . . 78
External monitor problems . . . . . . . . . 80
Audio problems . . . . . . . . . . . . . 81
Battery problems . . . . . . . . . . . . 82
Power button problem . . . . . . . . . . 83
Boot problems . . . . . . . . . . . . . 83
Software problem . . . . . . . . . . . . 83
Chapter 8. Recovery information . . . 85
Resetting your computer . . . . . . . . . . . 85
Using advanced startup options . . . . . . . . 85
Recovering your operating system if Windows 10
fails to start . . . . . . . . . . . . . . . . 85
Creating and using a recovery USB drive . . . . . 86
Chapter 9. Replacing devices . . . . . 87
Customer Replaceable Units. . . . . . . . . . 87
Static electricity prevention . . . . . . . . . . 87
Disabling the built-in battery . . . . . . . . . . 88
Replacing the bottom cover . . . . . . . . . . 88
Replacing a memory module. . . . . . . . . . 89
Replacing the M.2 solid-state drive . . . . . . . 91
Replacing the speaker assembly . . . . . . . . 93
Replacing the coin-cell battery . . . . . . . . . 95
Chapter 10. Getting support. . . . . . 97
Before you contact Lenovo . . . . . . . . . . 97
Getting help and service . . . . . . . . . . . 97
Lenovo Support Web site . . . . . . . . . 98
Calling Lenovo . . . . . . . . . . . . . 98
Purchasing additional services . . . . . . . . . 99
Appendix A. Supplemental
information about the Ubuntu operating
system . . . . . . . . . . . . . . . . . 101
Appendix B. Important safety
information . . . . . . . . . . . . . . . 103
Safety notices . . . . . . . . . . . . . . . 103
Important information about using your
computer . . . . . . . . . . . . . . . . . 103
Conditions that require immediate action . . . . . 105
Service and upgrades . . . . . . . . . . . . 106
Power cords and power adapters . . . . . . . . 107
Extension cords and related devices. . . . . . . 107
Plugs and outlets . . . . . . . . . . . . . . 108
Power supply statement . . . . . . . . . . . 108
External devices . . . . . . . . . . . . . . 109
General battery notice . . . . . . . . . . . . 109
Notice for built-in rechargeable battery. . . . . . 109
Notice for non-rechargeable coin-cell battery . . . 110
Heat and product ventilation . . . . . . . . . . 111
Electrical current safety information . . . . . . . 112
Liquid crystal display (LCD) notice . . . . . . . 113
Using headphones or earphones . . . . . . . . 113
Choking hazard notice . . . . . . . . . . . . 113
Plastic bag notice . . . . . . . . . . . . . . 113
Glass parts notice . . . . . . . . . . . . . . 114
Appendix C. Regulatory
information . . . . . . . . . . . . . . . 115
Certification-related information . . . . . . . . 115
Regulatory labels . . . . . . . . . . . . . . 115
Wireless-related information . . . . . . . . . . 115
Wireless interoperability. . . . . . . . . . 115
Usage environment and your health . . . . . 116
Locating the UltraConnect wireless
antennas. . . . . . . . . . . . . . . . 116
Wireless-radio compliance information . . . . 116
Locating wireless regulatory notices . . . . . 117
TCO certification . . . . . . . . . . . . . . 117
Export classification notice . . . . . . . . . . 117
Electromagnetic emission notices. . . . . . . . 117
Federal Communications Commission (FCC)
Supplier’s Declaration of Conformity . . . . . 117
Industry Canada Class B emission
compliance statement . . . . . . . . . . 118
European Union conformity . . . . . . . . 118
German Class B compliance statement. . . . 119
Japan VCCI Class B compliance
statement . . . . . . . . . . . . . . . 119
Japan compliance statement for products
which connect to the power mains with rated
current less than or equal to 20 A per
phase . . . . . . . . . . . . . . . . . 119
Japan notice for ac power cord . . . . . . . 119
Lenovo product service information for Taiwan . . 119
Taiwan precautionary vision statement . . . . . . 119
Eurasian compliance mark . . . . . . . . . . 120
Brazil audio notice . . . . . . . . . . . . . . 120
Appendix D. WEEE and recycling
statements of countries and
regions . . . . . . . . . . . . . . . . . 121
General recycling information . . . . . . . . . 121
Important WEEE information. . . . . . . . . . 121
Japan recycling statements . . . . . . . . . . 122
Recycling information for Brazil. . . . . . . . . 122
Battery recycling information for the European
Union . . . . . . . . . . . . . . . . . . . 123
ii P1/X1 Extreme User Guide
