Would adding an additional monitor through the HDMI port slow down a laptop? Does the resolution of the extra monitor affect the performance? - Quora
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Desktop second display: Want a second display for your desktop? Use your laptop. Here's how - The Economic Times
![multiple monitors - Disable laptop screen and use external screen as primary, just like a desktop - Super User multiple monitors - Disable laptop screen and use external screen as primary, just like a desktop - Super User](https://i.stack.imgur.com/RmI3e.jpg)
multiple monitors - Disable laptop screen and use external screen as primary, just like a desktop - Super User
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