User’s Manual

Setting up your computer
This section guides you through connecting the main hardware devices, such as the external
monitor, keyboard, mouse, and power cord, to your computer.
Using the onboard display output ports
Connect your monitor to the onboard display output port.
To connect an external monitor using the onboard display output ports:
1. Connect a VGA monitor to the VGA port or a DVI-D monitor to the DVI-D port on the rear
panel of your computer.
2. Plug the monitor to a power source.
• IfyourcomputercomeswithanASUSGraphicsCard,thegraphicscardissetastheprimary
display device in the BIOS. Hence, connect your monitor to a display output port on the
graphics card.
• Toconnectmultipleexternalmonitorstoyourcomputer,refertoConnecting multiple
external display in Chapter 2 of this guide for details.
DVI
17. Parallel port (optional). This 25-pin port connects a parallel printer, a scanner, or other
devices.
18. VGA port. This port is for VGA-compatible devices such as a VGA monitor.
19. Serial port (optional). This 9-pin COM port is for pointing devices or other serial devices.
D840MA
ASUS Desktop PC 23
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