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1. #How to use macbook as second monitor how to#
2. #How to use macbook as second monitor software#

On Windows, you can type “display” into the search bar to pull up the settings. Once plugged in (and assuming both computers are on and running), the main computer will automatically send video to the all-in-one device.Īfter they are connected, you may need to change your display settings on the main computer to get things the way you like.

The other end of the cable goes into an HDMI-out port on the main computer. To use the HDMI-in port with your all-in-one, simply plug an HDMI cable into that port. If you’re not sure what HDMI looks like, here’s a picture: If you have ever used a DVD or Blu-ray player, it probably connected via HDMI.

HDMI was the most popular display connection for a long time.

#How to use macbook as second monitor how to#

If you really can’t tell, you can look up your all-in-one computer with the manufacturer to see which, if any, ports are for input.Īssuming you do have input ports, the following directions show you how to use each type of connection. Output ports usually are not labeled, so if it doesn’t say in or out, you can assume it is an output port. Input ports are almost always labeled as “in.” To identify an “in” port, simply look for a label on the port. You will need to find display input ports on the all-in-one, and not all of them have any. In fact, it’s very uncommon for a display to work as input and output. Not all display ports on a computer are display-in ports. Typically speaking, both ports have to be the same, or else you will need adapters and/or converters, which will be covered in a later section. There are four different types of display ports, so you’ll need to make sure they match on both computers.ĭisplayPort is the second most common and newest. If your all-in-one has a display in port, then this is going to be simple.Īll you need to do is plug a display cable into the in port on the all-in-one and an out port on the main computer that you want to use. Not every all-in-one can do this, so it’s only the starting point. How Do You Set Up Your All in One Computer As an Extra Monitor? (4 Ways)įirst, we’re going to cover the easy ways to go about this.

#How to use macbook as second monitor software#

If your all-in-one doesn’t have a display-in port, you can use a display port converter or remote desktop software as a workaround. If your all-in-one has a display-in port, all you need to do is plug a display cable into the in port on the all-in-one and an out port on the main computer that you want to use. Here’s how to set up your all-in-one computer as an extra monitor: