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Another peripheral device you should know how to connect to is a projector. If you ever have to give a presentation using software like Microsoft PowerPoint or if you have to demo something on your laptop to an audience, you'll most likely need to use a projector like this one. In reality, a projector works just like a monitor as far as your PC is concerned, and setting up a projector is just like setting up a second monitor for your computer. Many people these days use a second monitor for both laptop and desktop computers, so they have more onscreen room to work with. So whether you need to connect your projector or just want to use an additional monitor, you'll learn everything you need to know in this movie.
You are going to start by connecting your projector or monitor to your computer. Now, some newer laptops and projects use DVI monitor connectors, like the ones found on desktop computers, other use the older VGA style connectors. In this particular setup, my projector has both DVI and VGA connectors, while my laptop has only the older style VGA connector. Also, I only have a DVI cable. So I am going to need an adapter, which I happen to have here, and you can find these adapters at just about any computer stores that sells accessories.
So in this particular setup I am going to plug the DVI into my projector, and the VGA and the on the adapter into my laptop. So in your own setup, you'll have to figure out which connectors is on the monitor of projector and which connector is on the computer and what adapter you'll need, if any. To spare mine though, either be DVI, VGA, or some combination of the two. Once you got your computer and projector or monitor connected together, turn them both on.
Now we'll see what we have to do to set up the projector in Windows. Now at this point, you computer may have already detected your projector or second monitor and the appearance of your screen might have already changed. Let's take a look at how to customize your settings in just a moment. Begin by right-clicking anywhere on your Windows desktop and choosing Screen Resolution. Even the screen resolution settings are where you change the appearance of your monitors. At the top here we see two icons representing the main monitor and the projector or second monitor you connected. If you're not sure which is which, click the Identify button and the numbers 1 and 2 will briefly show up on the respective monitors.
If your second monitor isn't showing up here at all, try clicking the Detect button. Now depending on what you want to display on your projector or second monitor, you will come down to the Multiple Displays menu and choosing Duplicate these displays or Extend these displays. I am going to select Duplicate these displays and click Apply. You're going to get a dialog box asking if you want to keep these display settings. We will click Keep Changes. So with Duplicate these displays selected, I see the same thing on both monitors.
So for example, if you're using a projector and wanted your audience to see exactly what you see on your screen, you would select Duplicate these displays. Let's select Extend these displays again, which is what we're originally looking at. And again, we will say Keep Changes. So with Extend these displays selected, the projector or second monitor becomes an extension of your main screen. Meaning you can move your mouse from one screen to the other, as if they were one large monitor. This can be useful if you're using presentation software like PowerPoint.
PowerPoint supports what's called Presenter displays, which lets you view your up coming slides, notes, and other info on your screen while your audience only sees your presentation on the projector screen. So for example, I have a PowerPoint presentation file that I have opened up on my desktop and this is not included with the exercise files for this course. I am just using it to demonstrate the Presenter display or the Presenter View, which you can see is checked up here. So I will click to Start Playing This Presentation, and as you can see, the right side of the screen represents what the projector is displaying showing just my slides. So as I go forward in my presentation, I just see the slide on the right side of the screen.
While the left side of my screen represents my laptop screen, which only I see during my presentation. So I can see my upcoming slides, my lapsed time and so on. So I will just get out of that. So this is one advantage of using Extend these displays when using a projector on your PC. Let's take a look at some more things you can do in here. Now by selecting each monitor, you can adjust their settings below. Optionally, you can choose which display you are adjusting using the Display popup menu here.
I prefer just to click on the monitor myself. Now the resolution menu controls the resolution of the selected monitor. The higher the resolution, the more data in detail can be displayed on the screen. So you can set different resolution for each monitor if necessary. For the most part, even the highest resolution available in each list. That's what's called the monitors native resolution, and it's going to look the sharpest at that size. So if I wanted my monitor to look at sharpest, I would set this to 1920x1200, which is the recommended resolution. I am currently recording this movie at 1280x800 so, I can't really change that for you right now, but if we are using this monitor in real life, I would have it set to the highest resolution.
Now one think to keep in mind though is if you've chosen to duplicate your displays and you have different sized monitors, or you are using a projector, you're going to be limited to the resolution of the device with the lowest resolution, and usually that's going to be the projector. Most projectors display at 800x600 and some newer ones at 1024x768. It's going to take some clicking around and experimenting with different resolutions before you find the one that works for both the computer and the projector when you have Duplicate these displays selected. Now as a side note, be aware that when you change resolutions, the screen may flicker or black momentarily. This is normal.
Now if you happen to pick a resolution that doesn't work, just don't touch your computer for a few seconds. For instance, if the screen just stays black or flickers non-stop, just don't touch your computer. If you recall, each time I change from Extend these displays to Duplicate these displays, or vice versa, we saw a dialog box asking if we wanted to keep that resolution. That same dialog box will appear when you change your screen resolution. So you have to confirm that a selected resolution works before it's locked in. If you don't confirm, your PC will go back to the previously working resolution and that's the basics of what you need to know to get a projector or second monitor working with your PC.
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