User Manual
Table Of Contents
- Discover your Lenovo computer
- Chapter 1. Meet your computer
- Chapter 2. Get started with your computer
- Chapter 3. Explore your computer
- Chapter 4. Secure your computer and information
- Chapter 5. UEFI BIOS
- What is UEFI BIOS
- Enter the BIOS menu
- Navigate in the BIOS interface
- Change the display language of UEFI BIOS
- Change the display mode of UEFI BIOS (for selected models)
- Set the system date and time
- Change the boot priority order
- Enable or disable the configuration change detection feature
- Enable or disable the automatic power-on feature
- Enable or disable the smart power-on feature (for selected models)
- Enable or disable the ErP LPS compliance mode
- Change the ITS performance mode
- Change BIOS settings before installing a new operating system
- Update UEFI BIOS
- Recover from a BIOS update failure
- Clear CMOS
- Chapter 6. Troubleshooting, diagnostics, and recovery
- Chapter 7. CRU replacement
- Chapter 8. Help and support
- Appendix A. Accessibility and ergonomic information
- Appendix B. Compliance information
- Appendix C. Notices and trademarks
Removal steps
M70a Gen 2
M90a Gen 2
System board shield
Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
For access, remove the following parts in order, if any:
• “Computer stand” on page 46.
• “Rear cover” on page 49.
• “Optical drive” on page 50.
• “Optical drive holder” on page 52.
Chapter 7. CRU replacement 53