Click Start, Control Panel, Appearance and Personalization.
Choose ‘Connect an external display’ from the Display menu.
What’s shown on your main screen will be duplicated on the second display.
Select ‘Extend these displays’ from the ‘Multiple displays’ drop-down menu to expand your desktop across both monitors.24 Feb 2011
Can I connect 2 monitors to my laptop?
Some laptops will support two external monitors if you can find a way of plugging them in. For example, you could plug one into an HDMI port and the second into a VGA port. This is not quite as good as using two HDMI ports because HDMI and VGA are different video standards.7 May 2015
How do you set up dual monitors?
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How To Connect Two Monitors To One Computer – YouTube
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How do I connect two monitors to my laptop with one HDMI port?
Use an adapter, such as an HDMI to DVI adapter. This works if you have two different ports for your laptop and your monitor. Use a switch spillter, such as a Display splitter to have two HDMI ports. This works if you have only one HDMI port on your laptop but you need to HDMI ports.