Table of Contents
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Changing the startup sequence . . . . . . .
Updating the UEFI BIOS. . . . . . . . . .
BIOS menu . . . . . . . . . . . . . . .
Using system management . . . . . . . . . .
computer problems . . . . . . . . . . 65
General tips for preventing problems . . . . . .
. . . . . . . . . . . . . .
Computer stops responding . . . . . . . .
Spills on the keyboard . . . . . . . . . .
Error messages . . . . . . . . . . . . .
Beep errors. . . . . . . . . . . . . . .
Memory module problems . . . . . . . . .
Ethernet problems . . . . . . . . . . . .
Wireless-LAN problem . . . . . . . . . .
Bluetooth problem . . . . . . . . . . . .
Keyboard problems . . . . . . . . . . .
Computer screen problems . . . . . . . .
External monitor problems . . . . . . . . .
Audio problems . . . . . . . . . . . . .
Battery problems . . . . . . . . . . . .
ac power adapter problem . . . . . . . . .
Power problems . . . . . . . . . . . . .
Power button problem . . . . . . . . . .
Boot problems . . . . . . . . . . . . .
Solid-state drive problem . . . . . . . . .
Software problem . . . . . . . . . . . .
USB problem . . . . . . . . . . . . . .
Chapter 8. Recovery information . . . 81
Resetting your computer . . . . . . . . . . .
Using advanced startup options . . . . . . . .
fails to start . . . . . . . . . . . . . . . .
Creating and using a recovery USB drive . . . . .
Chapter 9. Replacing devices . . . . . 83
Customer Replaceable Units. . . . . . . . . .
Static electricity prevention . . . . . . . . . .
Disabling the built-in battery . . . . . . . . . .
Replacing the microSD card . . . . . . . . . .
Replacing the base cover assembly . . . . . . .
Replacing the M.2 solid-state drive . . . . . . .
Replacing the keyboard. . . . . . . . . . . .
Replacing the power button card . . . . . . . .
Replacing the ThinkPad pen pro charger . . . . .
Replacing the speaker assembly . . . . . . . .
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Chapter 10. Getting support. . . . . . 99
Before you contact Lenovo . . . . . . . . . .
Getting help and service . . . . . . . . . . .
Lenovo Support Web site . . . . . . . . . 100
Calling Lenovo . . . . . . . . . . . . . 100
Purchasing additional services . . . . . . . . . 101
system . . . . . . . . . . . . . . . . . 103
information . . . . . . . . . . . . . . . 105
Certification-related information . . . . . . . . 105
Wireless-related information . . . . . . . . . . 105
Wireless interoperability . . . . . . . . . . 105
Usage environment and your health . . . . . 105
antennas. . . . . . . . . . . . . . . . 106
Wireless-radio compliance information . . . . 106
Locating wireless regulatory notices . . . . . 106
TCO certification . . . . . . . . . . . . . . 107
Export classification notice . . . . . . . . . . 107
Electronic emission notices . . . . . . . . . . 107
Declaration of Conformity . . . . . . . . . 107
compliance statement . . . . . . . . . . 108
European Union conformity . . . . . . . . 108
German Class B compliance statement. . . . 108
statement . . . . . . . . . . . . . . . 109
phase . . . . . . . . . . . . . . . . . 109
Japan notice for ac power cord . . . . . . . 109
Taiwan . . . . . . . . . . . . . . . . 109
Eurasian compliance mark . . . . . . . . . . 109
Brazil audio notice . . . . . . . . . . . . . . 109
statements . . . . . . . . . . . . . . . 111
General recycling information . . . . . . . . . 111
Important WEEE information . . . . . . . . . . 111
Japan recycling statements . . . . . . . . . . 112
Recycling information for Brazil. . . . . . . . . 112
Union . . . . . . . . . . . . . . . . . . . 113
Battery recycling information for Taiwan . . . . . 114
and Canada . . . . . . . . . . . . . . . . 114
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