User 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. 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
- Set the system date and time
- Change the startup sequence
- Enable or disable the configuration change detection feature
- Enable or disable the automatic power-on feature
- Enable or disable the smart power-on feature
- 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. Important safety information
- Appendix B. Accessibility and ergonomic information
- Appendix C. Supplemental information about the Ubuntu operating system
- Appendix D. Compliance and TCO Certified information
- Appendix E. Notices and trademarks
2. Disconnect the power supply assembly cables from the system board.
Removal steps
E-lock
Prerequisite
Before you start, read Appendix A “Important safety information” on page 59 and print the following
instructions.
For access, do the following:
1. Remove the following parts in order, if any:
• “Computer cover” on page 38
• “PCI-Express card” on page 51
2. Disconnect the E-lock cable from the system board.
Note: To remove the screws, you need a special tool (T15 star wrench).
Removal steps
Chapter 7. CRU replacement 53