Operation Manual
Table Of Contents
- Important safety information
- Read this first
- Important information about using your computer
- Conditions that require immediate action
- Service and upgrades
- Power cords and power adapters
- Extension cords and related devices
- Plugs and outlets
- Power supply statement
- External devices
- General battery notice
- Notice for built-in rechargeable battery
- Notice for non-rechargeable coin-cell battery
- Heat and product ventilation
- Electrical current safety information
- Liquid crystal display (LCD) notice
- Using headphones or earphones
- Choking hazard notice
- Plastic bag notice
- Glass parts notice
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Registering your computer
- Frequently asked questions
- Operating modes
- Using the multi-touch screen
- Using the special keys
- Using the ThinkPad pointing device
- Power management
- Cabled Ethernet connections
- Wireless connections
- Using audio features
- Using the cameras
- Using a media card
- Using an external display
- Traveling with your computer
- Chapter 3. Enhancing your computer
- Chapter 4. Accessibility, ergonomic, and maintenance information
- Chapter 5. Security
- Chapter 6. Advanced configuration
- Chapter 7. Troubleshooting computer problems
- General tips for preventing problems
- Diagnosing problems with Lenovo Companion
- Troubleshooting
- Computer stops responding
- Spills on the keyboard
- Error messages
- Beep errors
- Memory module problems
- Ethernet problems
- Wireless-LAN problem
- Bluetooth problem
- ThinkPad pointing device problems
- Keyboard problems
- Computer screen problems
- External monitor problems
- Audio problems
- Fingerprint reader problems
- Battery problems
- ac power adapter problem
- Power problems
- Power button problem
- Boot problems
- Sleep and hibernation problems
- Solid-state drive problem
- ThinkPad Pen Pro problem
- Software problem
- USB problem
- Chapter 8. Recovery information
- Chapter 9. Replacing devices
- Chapter 10. Getting support
- Appendix A. Supplemental information about the Ubuntu operating system
- Appendix B. Regulatory information
- Certification-related information
- Wireless-related information
- TCO certification
- Export classification notice
- Electronic emission notices
- Federal Communications Commission Declaration of Conformity
- Industry Canada Class B emission compliance statement
- European Union conformity
- German Class B compliance statement
- Japan VCCI Class B compliance statement
- Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase
- Japan notice for ac power cord
- Lenovo product service information for Taiwan
- Eurasian compliance mark
- Brazil audio notice
- Appendix C. WEEE and recycling statements
- Appendix D. Restriction of Hazardous Substances (RoHS) Directive
- Appendix E. ENERGY STAR model information
- Appendix F. Notices
- Appendix G. Trademarks
Note: Ethernet connection by the USB Ethernet adapter is not supported by this feature.
• MAC address Pass Through
Values: Disabled, Enabled
Description: The MAC address for the LENOVO USB Dock will be changed to the Internal MAC address. If
you select Disabled, the MAC address for the LENOVO USB Dock will remain the original MAC address. If
you select Enabled, the MAC address for the LENOVO USB Dock will be changed to the Internal MAC
address.
USB
• USB UEFI BIOS Support
Values: Disabled, Enabled
Description: Enable or disable the boot support for USB storage devices.
• Always On USB
Values: Disabled, Enabled
Description: Select Enabled to charge devices through the Always On USB connectors even when the
computer is turned off, in sleep mode, or in hibernation mode.
Note: USB-wake-up function is not supported on Always On USB connectors.
– Charge in Battery Mode
Values: Disabled, Enabled
Description: This option is supported only when Always On USB is enabled. Select Enabled to charge
devices through the Always On USB connector even when the computer is in hibernation mode, or
powered off and in battery operation.
Keyboard/Mouse
• Fn and Ctrl Key swap
Values: Disabled, Enabled
Description: If you select Enabled, the Fn key works as the Ctrl key and the Ctrl key works as the Fn key.
• Fn Sticky key
Values: Disabled, Enabled
Description: If you select Enabled, you can press the Fn key (instead of press and hold) to keep it in a
pressed condition. Then press the function key you want. The action is equivalent to pressing the function
key simultaneously with the Fn key.
• F1–F12 as Primary Function
Values: Disabled, Enabled
Description: If you select Enabled, pressing the function keys directly inputs F1–F12. If you select
Disabled, pressing the function keys directly initiates the special function printed as an icon on each key.
To temporarily switch the above two functions, press Fn+Esc.
Display
• Boot Display Device
Values: ThinkPad LCD, External Display
Description: Select the display device that you want to activate at boot time. External Display corresponds
to an external display attached to USB Type-C connector or HDMI connector. If multiple displays are
attached, the boot screen appears on the first recognized one.
• Shared Display Priority
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L380, L380 Yoga, S2 3rd Gen, and S2 Yoga 3rd Gen User Guide