You will have to use the HDMI port on the mac. provided you have a HDMI input in the projector
SOURCE: Dell projector, Mac book Pro display problem
Hi smithmollie,
There should be a "displays" icon 
in the top right portion of the menu bar where you can change the display mode to "Mirror Display" whenever you connect the projector.
If it's not there go to "System Preferences" > "Displays" >
"Display" tab and put a checkmark next to "Show displays in menu bar".
Also you can go to "System Preferences" > "Displays" and leave it open while connecting the projector and change the settings to "Mirror Display" there.
Best regards,
Thomas
SOURCE: Apple Driver for Model l713v
it may not be the operating system as much as the computer. the native resolution for the projector is 800x600, but the max is 1024x768 and it's analog. so, you may have to change your resolution.
SOURCE: how do i hook my samsung spl300 projector to my mac book pro
You can connect your Projector with the Mac Book Pro; However the problem is, mac comes with a DVI connector and your projector uses a VGA one.
You need to buy a DVI to VGA adapter from Apple if you don't have one already. You can buy it from the local apple stores or an online apple store.
There are two types of DVI-VGA adapters available (Please check the below images and see which one fits your Mac and go for it). Apple DVI to VGA Display Adapter
Apple Mini DVI to VGA Adapter Once you decided which one you need, go to an apple store or online apple shop and buy one.
Hope This helps.best regardsNextDoorNerd
SOURCE: trying to connect mac book
Depending on the inputs on your projector and the outputs on the Macbook, you'll need to pickup one of a few adapters.
For a mini-dvi to VGA, you'll need http://store.apple.com/us/product/M9320G/A
For a mini-display port to VGA, you'll need http://store.apple.com/us/product/MB572Z/A?fnode=MTY1NDA4Mw&mco=MTczNzEzNzU.
SOURCE: Lost install disk for Mac book pro My 13" Mac book
You will need some install disks to even begin working on your issue.
Your options:
Once you have a install CD, I would recommend backing up your system by making a disk image of the hard drive to an external drive. Then doing a clean install and then using the Migration Assistant to restore your user files to the clean install on your hard drive.
in the top right portion of the menu bar where you can change the display mode to "Mirror Display" whenever you connect the projector.402 views
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