How to Boot Into Windows Using Boot Camp

Log on to your computer with an account that has administrative privileges.
Open 'System Preferences' by clicking on the dock icon.
Go to the 'Startup Disk' control panel under the 'System' category.
Select your Windows partition from the control panel window.
Click the 'Restart' button, then confirm your decision by clicking 'Restart' again. Your computer will restart and will automatically boot into your Windows partition.
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How to Display Powerpoint on a Mac Air Book With an LCD Projector

Connect the LCD projector to the VGA port on the side of the MacBook air. The VGA port is a square port that mirrors the end of the cable itself. Select 'System Preferences' from the toolbar and click 'Displays' from the available options.
Select 'Detect Displays' from the next screen and select the LCD projector from the available options. The MacBook Air screen will be displayed on the projection screen.
Open Microsoft PowerPoint and allow the main page to fully load. Click 'Open' from the 'File' menu and select the presentation that you would like to project. The presentation will load on screen.
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How to Change the Refresh Rate on a MacBook Pro

Click on the Apple logo at the top left-hand corner of your MacBook screen.
Click 'System Preferences.'
Click on the icon marked 'Displays.'
Click on the box next to the option labeled 'Refresh Rate.'
Click on one of the available refresh rates in the drop-down list that appears. Close the System Preferences window when you finish.
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