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
Solution: Checksum of the supervisor password in the EEPROM is not correct. The system board should
be replaced. Have the computer serviced.
• Message: 0183: Bad CRC of Security Settings in EFI Variable. Enter ThinkPad Setup.
Solution: Checksum of the Security settings in the EFI Variable is not correct. Enter ThinkPad Setup to
check security settings, press F10, and then press Enter to restart the system. If you still have a problem,
have the computer serviced.
• Message: 0187: EAIA data access error
Solution: The access to EEPROM is failed. Have the computer serviced.
• Message: 0188: Invalid RFID Serialization Information Area
Solution: The EEPROM checksum is not correct (block # 0 and 1). The system board should be replaced,
and the box serial number must be reinstalled. Have the computer serviced.
• Message: 0189: Invalid RFID configuration information area
Solution: The EEPROM checksum is not correct (block # 4 and 5). The system board should be replaced,
and the universally unique identifier (UUID) must be reinstalled. Have the computer serviced.
• Message: 0190: Critical low-battery error
Solution: The computer turned off because the battery power is low. Connect the ac power adapter to the
computer and charge the batteries.
• Message: 0191: System Security - Invalid remote change requested
Solution: The system configuration change has failed. Confirm the operation and try again. To clear the
error, enter ThinkPad Setup.
• Message: 0199: System Security - Security password retry count exceeded.
Solution: This message is displayed if you enter a wrong supervisor password more than three times.
Confirm the supervisor password and try again. To clear the error, enter ThinkPad Setup.
• Message: 0270: Real Time Clock Error.
Solution: System Real Time Clock is not functional. Have the computer serviced.
• Message: 0271: Check Date and Time settings.
Solution: The date or the time is not set in the computer. Enter ThinkPad Setup and set the date and time.
• Message: 1802: Unauthorized network card is plugged in - Power off and remove the network card.
Solution: The wireless network card is not supported on this computer. Remove it.
• Message: 1820: More than one external fingerprint readers are attached.
Solution: Turn off and remove all but the reader that you set up within your main operating system.
• Message: 2100: Detection error on HDD0 (Main HDD)
Solution: The hard disk drive is not working. Have the hard disk drive serviced.
• Message: 2101: Detection error on SSD1 (M.2)
Solution: The M.2 solid-state drive is not working. Have the M.2 solid-state drive serviced.
• Message: 2102: Detection error on SSD2 (M.2)
Solution: The M.2 solid-state drive is not working. Have the M.2 solid-state drive serviced.
• Message: 2110: Read error on HDD0 (Main HDD)
Solution: The hard disk drive is not working. Have the hard disk drive serviced.
• Message: 2111: Read error on SSD1 (M.2)
Solution: The M.2 solid-state drive is not working. Have the M.2 solid-state drive serviced.
• Message: 2112: Read error on SSD2 (M.2)
Solution: The M.2 solid-state drive is not working. Have the M.2 solid-state drive serviced.
Chapter 7. Troubleshooting computer problems 73