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
Updating the UEFI BIOS
The UEFI BIOS is the first program that the computer runs when the computer is turned on. The UEFI BIOS
initializes the hardware components, and loads the operating system and other programs.
When you install a new program, device driver, or hardware component, you might be informed to update
the UEFI BIOS. You can update the UEFI BIOS by starting your computer from a flash update disc or a flash
update program running in the Windows environment.
The requirements for flash update are as follows:
• The computer must be started over LAN.
• The computer must be engaged in the Preboot eXecution Environment (PXE).
• A network-management program must be installed on the computer of the network administrator.
For instructions on how to update the UEFI BIOS, go to
http://www.lenovo.com/support.
BIOS menu
This topic introduces the following BIOS menus of your computer:
• Main menu
• Config menu
• Date/Time menu
• Security menu
• Startup menu
• Restart menu
Note: Depending on the model and operating system, the menu items and the default value might change
without notice.
Main menu
When you enter the ThinkPad Setup program, you first see the Main menu as follows:
Note: The BIOS menu items might change without notice. Depending on the model, the default value might
vary.
• UEFI BIOS Version
• UEFI BIOS Date
• Embedded Controller Version
• ME Firmware Version
• Machine Type Model
• System-unit serial number
• System board serial number
• Asset Tag
• CPU Type
• CPU Speed
• Installed Memory
• UUID
• MAC Address (Internal LAN)
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L380, L380 Yoga, S2 3rd Gen, and S2 Yoga 3rd Gen User Guide