How to connect an extra projector or display

with Win8.1 If your computer not only has one screen, but also has a screen or projector, your computer can use dual screen operation with the help of Win8.1 system. It can also be used for projection, you can use this technology to share your operations on your computer, show slide shows, and even play your favorite games on a larger screen. So how do you connect an extra projector or monitor to Win8.1? Let's take a look.

You can connect most monitors and projectors with a DVI, VGA or HDMI cable. (Some devices can even be connected wirelessly. For information, see Projecting to a wireless display using Miracast.) Your computer may have one or more of the following ports.

DVI, VGA and HDMI Ports
After connecting your monitor or projector to your computer, you can do the following:
Use the mouse to use the four corners of any screen or the edge of the touch screen to open “ Start & rdquo; screen, charms, and recently used apps.
Open multiple windows on each screen and run one app in each window.
Customize your screen by displaying the taskbar on one or all of the displays and moving the app between screens.
Connecting your monitor to your computer
You can plug in most monitors and projectors with a cable that matches the DVI, VGA, or HDMI port provided on your computer. If your computer has only one DVI port that is already in use, but some computer manufacturers come with a custom display cable, you can split the signal from one DVI port to two.
Note
Desktop computers require a video card with two DVI, VGA or HDMI ports.
If the monitor or projector cable does not match your computer, you can use an adapter to convert one type to another (for example, to help insert a DVI monitor into your VGA port and vice versa).
Steps to connect another monitor to your computer
Find available video ports on your computer.
Insert the matching cable of the second display into this port.
Windows should automatically detect and install the monitor.
Connecting the projector to your computer
For a wired connection, plug the projector cable into your VGA, DVI or HDMI port. In most cases, Windows will automatically detect and install the projector.
When <;Windows"; wireless projectors are detected nearby, they can also be connected. For more information on connecting a Miracast wireless projector, see Projecting to a wireless display using Miracast.
Steps for connecting to a wireless projector
Swipe in from the right edge of the screen and click on <;Device”. (If using a mouse, point to the lower right corner of the screen, then move the pointer up, then click <;device”.)
Click or click “projection”, then click or click “Add Wireless Display ”.
Select the projector in the list of found devices and follow the instructions on the screen.