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PC Notebooks - T450 Laptop (ThinkPad) (66.91 kb)
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Anleitung Zusammenfassung
Document Outline
- About this manual
- Chapter 1. Safety information
- General safety
- Electrical safety
- Safety inspection guide
- Handling devices that are sensitive to electrostatic discharge
- Grounding requirements
- Safety notices (multilingual translations)
- Chapter 2. Important service information
- Strategy for replacing FRUs
- Strategy for replacing a hard disk drive or a solid-state drive
- Important notice for replacing a system board
- How to use error message
- Strategy for replacing FRUs for CTO, special-bid, and standard models
- Product definition
- FRU identification
- Strategy for replacing FRUs
- Chapter 3. General checkout
- What to do first
- Checkout guide
- Lenovo Solution Center
- Quick test programs
- UEFI diagnostic program
- Bootable diagnostic programs
- Power system checkout
- Checking the ac power adapter
- Checking the external battery pack and the operational charging
- Checking the coin-cell battery
- Chapter 4. Related service information
- Restoring the factory contents by using the Recovery Disc Set
- Using the Windows recovery solutions (for Windows 8.1 only)
- Refreshing your computer
- Resetting your computer to the factory default settings
- Using the advanced startup options
- Using the Windows recovery environment
- Creating and using recovery media
- Recovery overview for the Windows 10 operating system
- Resetting your computer
- Using advanced startup options
- Recovering your operating system if Windows 10 fails to start
- Creating and using a recovery USB drive
- Passwords
- Power-on password
- Hard disk password
- Supervisor password
- How to remove the power-on password
- How to remove the hard disk password
- Power management
- Screen blank mode (for the Windows 7 operating system only)
- Sleep mode
- Hibernation mode
- Symptom-to-FRU index
- Numeric error codes
- Error messages
- Beep symptoms
- No-beep symptoms
- LCD-related symptoms
- Intermittent problems
- Undetermined problems
- Chapter 5. Status indicators
- Chapter 6. Function keys
- Chapter 7. Locations
- Locating computer controls, connectors, and indicators
- Front view
- Rear view
- Bottom view
- Locating FRUs and CRUs
- Major FRUs and CRUs
- LCD FRUs
- Miscellaneous parts and other FRUs
- Looking up FRU information
- Locating computer controls, connectors, and indicators
- Chapter 8. FRU replacement notices
- Screw notices
- Retaining serial numbers
- Restoring the serial number of the system unit
- Retaining the UUID
- Reading or writing the ECA information
- Chapter 9. Removing or replacing a FRU
- General guidelines
- Before servicing the computer
- Disabling the internal battery pack
- 1010 SIM card and SIM-card tray
- 1020 External battery pack
- 1030 Keyboard
- 1040 Base cover assembly
- 1050 Hard disk drive or solid-state drive
- 1060 Memory module
- 1070 Wireless-LAN/Bluetooth card
- 1080 Wireless-WAN card or M.2 solid-state drive
- 1090 Internal battery pack
- 1100 Coin-cell battery
- 1110 dc-in cable assembly
- 1120 Thermal fan assembly
- 1130 USB card
- 1140 Speaker assembly
- 1150 Smart-card reader
- 1160 LCD unit
- 1170 System board
- 1180 Fingerprint-reader card
- 1190 Power-button card
- 1200 Keyboard bezel assembly
- LCD FRUs for touch models
- 2010 LCD bezel assembly (for touch models)
- 2020 LCD panel, LCD cable and LCD-panel cover assembly (for touch models)
- 2030 LCD hinges (for touch models)
- 2040 Camera/microphone module, camera module, or microphone module (for touch models)
- 2050 Camera/microphone-module cable, camera-module cable, or microphone-module cable (for touch models)
- 2060 Wireless-LAN/WAN antenna assembly or wireless-LAN antenna, and LCD rear-cover assembly (for touch models)
- LCD FRUs for non-touch models
- 2010 LCD-bezel sheet and LCD bezel assembly (for non-touch models)
- 2020 LCD panel (for non-touch models)
- 2030 LCD hinges and LCD cable (for non-touch models)
- 2040 Camera/microphone module, camera module, or microphone module (for non-touch models)
- 2050 Camera/microphone-module cable, camera-module cable, or microphone-module cable (for non-touch models)
- 2060 Wireless-LAN/WAN antenna assembly or wireless-LAN antenna, and LCD rear-cover assembly (for non-touch models)
- Appendix A. Notices
- Electronic emissions notices
- Trademarks
- Appendix B. Abbreviation table