User’s Manual
Table Of Contents
- Notices
- Chapter 1
- Getting started
- Chapter 2
- Connecting devices to your computer
- Chapter 3
- Using your computer
- Chapter 4
- Connecting to the Internet
- Chapter 5
- Using ASUS Business Manager
- Chapter 6
- Troubleshooting
- Appendix
- Windows® 7 / Windows® 10 User Manual
- Chapter 1
- Using Windows® 7
- Chapter 2
- Using Windows® 10
- ASUS contact information
Serial port. This COM port is for pointing devices or other serial devices.
Air vents. These vents allow air ventilation.
DO NOT block the air vents on the chassis. Always provide proper ventilation for your
computer.
VGA port. This port is for VGA-compatible devices such as a VGA monitor.
Serial port (on selected models only). This COM port is for pointing devices or other
serial devices.
LPT connector (on selected models only). Connect a parallel device such as a printer
to this LPT (Line Printing Terminal) connector.
Activity/Link LED Speed LED
Status Description Status Description
OFF No link OFF 10Mbps connection
ORANGE Linked ORANGE 100Mbps connection
BLINKING Data activity GREEN 1Gbps connection
LAN port
SPEED
LED
ACT/LINK
LED
LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub.
LAN port LED indications
Expansion slot brackets. Remove the expansion slot bracket when installing an
expansion card.
ASUS Graphics Card (on selected models only). The display output ports on this
optional ASUS Graphics Card may vary with different models.
ASUS Desktop PC 21
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