Two Methods to Set the
LCD Projector Display
Method Number One:
1. Hook up your laptop to the LCD Projector using a dongle.
2. If the LCD Projector does not display your computer then click on the Click on the
on top of your Desktop. 
3. If this icon
is on your Desktop then go to skip steps 4-7 and proceed right to step number 8. If this icon is not on your computer desktop then go to System Preferences in step number
4.
4. To get to System Preferences, click the System Preferences Icon in your Dock
or go to Apple in the upper left of your screen and click on System Preferences. 
5. In System Preferences click on
.
6. In Displays place a check in the
check box.
7. This will mount the following icon on top of your desktop. 
8. Click on the
on top of your Desktop.
9. Click Turn On Mirroring. 
10. Now your LCD Projector should pick up your laptop display. Use the projector and once you are finished just disconnect the dongle and shut off the LCD Projector. Please wait until the fan is shut off before you unplug the LCD Projector so the bulb has sufficient time to cool down.
Method Number Two:
1. Hook up your laptop to the LCD Projector using a dongle.
2. If the LCD Projector does not display your computer screen go to System Preferences.
3. To get to System Preferences, click the System Preferences Icon in your Dock
or go to Apple in the upper left of your screen and click on System Preferences. 
4. In System Preferences click on 

5. In Displays click on the word Arrangement. 
6. Your screen will look like this. 
7. Click on the box that says Mirror Displays so the box is now checked. 
8. Your screen should now display on your LCD projector.
9. Sometimes the display size is large on the older projectors as they required the 800 x 600 size to run.
10. Use the projector and once you are finished just disconnect the dongle and shut off the LCD Projector. Please wait until the fan is shut off before you unplug the LCD Projector so the bulb has sufficient time to cool down.
11. At this time your screen should reset back to its original size. If it does not go back into System Preferences, Displays, select 1280 x 800, and click Detect Display 
12. You may now exit System Preferences.