User's Manual
Table Of Contents
- About this documentation
- Chapter 1. Meet your computer
- Chapter 2. Get started with your computer
- Chapter 3. Explore your computer
- Chapter 4. Accessories
- Chapter 5. Secure your computer and information
- Chapter 6. Configure advanced settings
- Chapter 7. CRU replacement
- Chapter 8. Help and support
- Appendix A. Important safety information
- Appendix B. Accessibility and ergonomic information
- Appendix C. Supplemental information about the Linux operating system
- Appendix D. Compliance and TCO Certified information
- Appendix E. Notices and trademarks
8. Tighten the screws to secure the base cover assembly.
9. Turn the computer over and reinstall the nano-SIM-card tray.
10. Connect the ac power adapter and all disconnected cables to the computer.
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power
adapter and then reconnect it to the computer.
Memory module (for selected models)
Prerequisite
Before you start, read Appendix A “Important safety information” on page 83 and print the following
instructions.
Attention: Do not touch the contact edge of the memory module. Otherwise, the memory module might get
damaged.
Replacement procedure
To replace a memory module, do the following:
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 53.
2. Turn off the computer and disconnect the computer from ac power and all connected cables. Then,
close the computer display.
3. Remove the nano-SIM-card tray if your computer comes with one. See “Connect to a cellular network
(for selected models)” on page 17.
4. Remove the base cover assembly. See “Base cover assembly (T14 Gen 1 and P14s Gen 1)” on page 54
or “Base cover assembly (T15 Gen 1 and P15s Gen 1)” on page 56.
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T14 Gen 1, T15 Gen 1, P14s Gen 1, and P15s Gen 1 User Guide