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
Problem Solution
The playback is slow or choppy.
• Disable any background programs, such as AntiVirus or Desktop
Themes.
• Ensure that video resolution is less than 1152 x 864 pixels.
A message indicating invalid disc or no disc
found is displayed.
• Ensure that the disc is in the drive with the shiny side of the disc
facing down.
• Ensure that video resolution is less than 1152 x 864 pixels.
• Ensure that the DVD or CD is inserted into an appropriate optical
drive. For example, do not insert a DVD into a CD-only drive.
Serial connector problems
Problem Solution
The serial connector cannot be accessed.
• Connect the serial cable from the serial connector on the computer
to the serial device. If the serial device has its own power cord,
connect the power cord to a grounded electrical outlet.
• Turn on the serial device and keep the device online.
• Install any programs supplied with the serial device. Refer to the
documentation that comes with the serial device for more
information.
• If you added one serial-connector adapter, ensure that the adapter
is installed correctly.
USB device problems
Problem Solution
A USB device cannot be accessed.
• Connect the USB cable from the USB connector to the USB
device. If the USB device has its own power cord, connect the
power cord to a grounded electrical outlet.
• Turn on the USB device and keep the device online.
• Install any device drivers or programs supplied with the USB
device. Refer to the documentation that comes with the USB
device for more information.
• Disconnect and reconnect the USB connector to reset the USB
device.
• Ensure that the Smart USB Protection function is disabled in UEFI
BIOS.
38 P340 Tiny User Guide