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. 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. RAID
- Chapter 7. Troubleshooting, diagnostics, and recovery
- Chapter 8. CRU replacement
- What are CRUs
- Replace a CRU
- ac power adapter and power cord
- Rear Wi-Fi antenna
- Vertical stand
- VESA mount bracket
- External optical drive box and external optical drive
- Power adapter bracket
- Dust shield
- Computer cover
- Internal speaker
- System fan
- Coin-cell battery
- PCIe card and PCIe converter
- Wi-Fi card and Wi-Fi card shield
- Bottom cover
- M.2 solid-state drive
- Memory module
- Chapter 9. Help and support
- Appendix A. System memory speed
- Appendix B. Important safety information
- Appendix C. Accessibility and ergonomic information
- Appendix D. Supplemental information about the Ubuntu operating system
- Appendix E. Compliance and TCO Certified information
- Appendix F. Notices and trademarks
6. Connect the Wi-Fi antennas to the Wi-Fi card.
7. Install the Wi-Fi card shield.
8. Install the Wi-Fi card.
9. Reinstall all removed parts.
Bottom cover
Prerequisite
Before you start, read Appendix B “Important safety information” on page 75 and print the following
instructions.
Replacement procedure
1. Remove the computer cover. See “Computer cover” on page 55.
2. Turn over the computer so that the bottom cover is facing up.
Chapter 8. CRU replacement 63