EPC3- Ex 6: How to use projector

1. 1
   Identifiy the video cable type. There are a variety of video cables that can connect a computer to a projector or display. Most projectors and displays support a variety of cable types. Here is a brief description of a few common cable types.

   • HDMI: HDMI cables have a flat, gold or silver head that is about 0.6 inches, or 1 centimeter across. They are quickly becoming the standard for connecting devices to TVs and projectors.
   • DVI: DVI cables have a white head with 24 large holes, and 4 small holes. These cables are most commonly used to connect computer monitors and projectors, and some laptops They're not as common on TVs and flat-screen displays.
   • VGA: VGA cables have a blue head with 15 holes in three rows of 5. These are another cable that is commonly used to connect computer monitors and projectors.
2. 2
   Connect the cable to the connector port.After you identify the cable type, identify which connection port it connects too on the projector or display. The connector ports are generally on the back of the projector or flat screen display. Many video connection ports may be labeled. If they are not labeled, look at the shape of the head on the cable and plug it into a port that is the same shape and size. If the cable head has holes in it, look for metal pins in the connector port that correspond to the holes, and plug the cable into the connector port.
3. 3
   Press the power 

   

    button on the computer and display. The power button is on the buttons panel or remote for the projector or display. The power button is often represented by a symbol that looks like a circle with a line through the top. If you haven't already done so, turn on your computer or laptop as well.
4. 4
   Click the Apple menu 

   

    . The Apple Menu appears when you click the Apple icon in the upper-left corner of the display in the menu bar at the top of the screen.
5. 5
   Click System Preferences. It's in the Apple Menu. This displays the System Preferences options window.
6. 6
   Click Displays. It's the icon that resembles computer monitor in the Mac System Preferences window. This opens the "Displays" window.
7. 7
   Check 

   

    next to "Mirror Screen". The checkbox is on the left side, below the white box in the middle. This tells the Mac to display the computer display on the projector or display.
8. 8
   Click Detect Displays. It's in the lower-right corner of the display window. Your Mac will automatically detect the projector or display, and project onto it.