ThinkPad L480 - Page 4

Ergonomic information . . . . . . . . . . . . 53
Cleaning and maintenance . . . . . . . . . . 54
Chapter 5. Security . . . . . . . . . . 57
Using passwords . . . . . . . . . . . . . . 57
Passwords introduction . . . . . . . . . . 57
Setting, changing, or removing a password . . 58
Hard disk security . . . . . . . . . . . . . . 59
Setting the security chip . . . . . . . . . . . 59
Using the fingerprint reader . . . . . . . . . . 60
Deleting data from your storage drive . . . . . . 61
Using firewalls . . . . . . . . . . . . . . . 62
Protecting data against viruses . . . . . . . . . 62
Chapter 6. Advanced
configuration . . . . . . . . . . . . . . 63
Installing the Windows 10 operating system . . . . 63
Installing device drivers . . . . . . . . . . . . 64
Using the ThinkPad Setup program . . . . . . . 64
Configuring ThinkPad Setup . . . . . . . . 65
Changing the startup sequence . . . . . . . 65
Updating the UEFI BIOS. . . . . . . . . . 66
BIOS menu. . . . . . . . . . . . . . . 66
Using system management . . . . . . . . . . 76
Chapter 7. Troubleshooting
computer problems . . . . . . . . . . 79
General tips for preventing problems . . . . . . 79
Diagnosing problems with Lenovo Companion. . . 79
Troubleshooting . . . . . . . . . . . . . . 80
Computer stops responding . . . . . . . . 80
Spills on the keyboard . . . . . . . . . . 80
Error messages . . . . . . . . . . . . . 81
Beep errors. . . . . . . . . . . . . . . 82
Memory module problems . . . . . . . . . 84
Ethernet problems . . . . . . . . . . . . 84
Wireless-LAN problem . . . . . . . . . . 85
Wireless-WAN problem . . . . . . . . . . 85
Bluetooth problem . . . . . . . . . . . . 85
ThinkPad pointing device problems . . . . . 86
Keyboard problems . . . . . . . . . . . 86
Computer screen problems . . . . . . . . 87
External monitor problems . . . . . . . . . 89
Audio problems . . . . . . . . . . . . . 90
Fingerprint reader problems . . . . . . . . 91
Battery problems . . . . . . . . . . . . 91
ac power adapter problem. . . . . . . . . 92
Power problems. . . . . . . . . . . . . 92
Power button problem . . . . . . . . . . 92
Boot problems . . . . . . . . . . . . . 93
Sleep and hibernation problems . . . . . . 93
Hard disk drive problems . . . . . . . . . 94
Solid-state drive problem . . . . . . . . . 94
ThinkPad Pen Pro problem . . . . . . . . 94
Software problem . . . . . . . . . . . . 94
USB problem . . . . . . . . . . . . . . 95
Docking station problem . . . . . . . . . 95
Chapter 8. Recovery information . . . 97
Resetting your computer . . . . . . . . . . . 97
Using advanced startup options . . . . . . . . 97
Recovering your operating system if Windows 10
fails to start . . . . . . . . . . . . . . . . 97
Creating and using a recovery USB drive . . . . . 98
Chapter 9. Replacing devices . . . . . 99
Customer Replaceable Units. . . . . . . . . . 99
Static electricity prevention . . . . . . . . . . 99
Disabling the built-in battery . . . . . . . . . . 100
Replacing the nano-SIM card . . . . . . . . . 100
Replacing the microSD card . . . . . . . . . . 101
Replacing the base cover assembly . . . . . . . 102
Replacing the wireless-WAN card. . . . . . . . 104
Replacing the memory module . . . . . . . . . 106
Replacing the internal storage drive . . . . . . . 108
Replacing the M.2 solid-state drive in the wireless-
WAN-card slot . . . . . . . . . . . . . . . 115
Replacing the USB/Audio card (for ThinkPad L480
computers) . . . . . . . . . . . . . . . . 117
Replacing the speaker assembly (for ThinkPad
L480 computers) . . . . . . . . . . . . . . 118
Replacing the speaker assembly (for ThinkPad
L580 computers) . . . . . . . . . . . . . . 120
Replacing the keyboard. . . . . . . . . . . . 122
Chapter 10. Getting support. . . . . . 129
Before you contact Lenovo . . . . . . . . . . 129
Getting help and service . . . . . . . . . . . 129
Lenovo Support Web site . . . . . . . . . 130
Calling Lenovo . . . . . . . . . . . . . 130
Purchasing additional services . . . . . . . . . 131
Appendix A. Supplemental
information about the Ubuntu operating
system . . . . . . . . . . . . . . . . . 133
Appendix B. Regulatory
information . . . . . . . . . . . . . . . 135
Certification-related information . . . . . . . . 135
Regulatory labels . . . . . . . . . . . . . . 135
Wireless-related information . . . . . . . . . . 135
Wireless interoperability. . . . . . . . . . 135
Usage environment and your health . . . . . 136
ii L480 and L580 User Guide