Step 3. What type of video output does your laptop have?
Look on the back and sides of your laptop computer to see what type of video outputs are available. Laptop computers will have at least a VGA or S-Video output. Some newer laptops may have a DVI or HDMI output. Apple laptops will have a Mini DisplayPort or Thunderbolt output.
Below are pictures of the most common video outputs found on laptop computers. Select the one you have or want to use.
Mini DisplayPort / Thunderbolt - Most commonly found on Apple computers but can also be found on some Windows PCs and after market video cards. For the technical details follow this link to Wikipedia.