User’s Manual
Connecting multiple external displays
Your desktop PC may come with VGA, HDMI™, or DVI ports and allows you to connect multiple
external displays.
Setting up multiple displays
When using multiple monitors, you are allowed to set display modes. You can use the additional
monitor as a duplicate of your main display, or as an extension to enlarge your Windows desktop.
To set up multiple displays:
1. Turn o your computer.
2. Connect the two monitors to your computer and connect the power cords to the monitors.
Refer to Setting up your computer section in Chapter 1 for details on how to connect a
monitor to your computer.
3. Turn on your computer.
4. From the Start menu, click Settings > System > Display.
5. Congure the settings for your displays.
For some graphic cards, only the monitor that is set to be the primary display has display during
POST. The dual display function works only under Windows.
SD/MMC/MS
Smart Card
D640MA
36
Chapter 2: Connecting devices to your computer
ENGLISH
ENGLISH
E18416_D640MA_D640MB_D640SA_Win10_UM_V4.indb 36E18416_D640MA_D640MB_D640SA_Win10_UM_V4.indb 36 2021/8/10 11:55:272021/8/10 11:55:27