Here are instructions on how to connect your Mac to your flat panel TV to send both audio and video to it. There are a number of reasons why one might want to do this including showing an iPhoto Slideshow, watching a Netflix movie or TV show from Hulu. I’m only providing information about connecting Macs with Intel processors since this covers all Macs back to 2006. Here’s a quick description of what’s involved in connecting your Mac to your TV. First, you need to determine your Mac’s Model Identifier, then you need to buy one or two cables and maybe an adapter. However, there are also a few idiosyncrasies of which you should be aware.
Overview – The types of ports on flat-panel TVs varies from model to model. I’m only going to address VGA, DVI and HDMI ports since they are the most common types. VGA and DVI cables only carry video signals while HDMI cables can carry both audio and video. For this reason, whenever possible, I recommend using a TV’s HDMI port.
For most Macs made between 2006 and the end of 2008 one will need to connect two cables, one cable to carry the video and a second cable to carry the audio. When Apple switched to using Mini DisplayPort connectors in 2009 most Macs can now use just one cable to carry both audio and video from the Mac’s MiniDisplay Port to the TV’s HDMI port. One idiosyncrasy to be aware of is that when using HDMI or DVI to connect your Mac to your TV you might have to change your TV’s display settings to turn off overscan. I’ll address this in a future Tech Tip.
Model Specific Details – For most Macs you can use either Method 1 or Method 2 listed below. For each of these methods I list the Model Identifier for each specific Macintosh model which can use this method. If you don’t know how to determine your Mac’s Model Identifier please read this previous Tech Tip. To buy the cables listed in the method click on the cable name which is a link to a web site which sells the cable. I also list variations on each method that are either required or optional for certain Macintosh models.
Method 1 – Buy a DVI to HDMI cable and a 3.5 mm analog stereo audio cable. The DVI cable will carry the video output from your Mac and connect to the HDMI port on your TV. The 3.5 mm (aka 1/8″) stereo audio cable will carry the audio from your Mac to the audio in (aka headphone) port on your TV.
Specific Macintosh models supported by this method: Macmini 1,1, Macmini 2,1, MacPro 1,1, MacPro 2,1, MacPro 3,1, MacBookPro 1,1, MacBookPro 1,2, MacBookPro 2,1, MacBookPro 2,2, MacBookPro 3,1, MacBookPro 4,1.
Variation 1 – If your TV has a digital audio input port, sometimes called Digital Optical audio or Toslink then you could substitute a digital audio cable for the 3.5 mm analog stereo cable. Recently, I’ve encountered some TVs that only have digital audio input ports and no longer have a headphone port so you may have to use this digital audio cable instead.
Idiosyncrasy: All of the Mac minis, MacBook and MacBook Pros have a combo audio output port that can accept either an analog 3.5 mm audio cable or a digital Toslink audio cable. The MacPros have separate analog and digital analog ports so make sure you use the correct one.
Variation 2 – If your TV’s HDMI port(s) are already in use then you could use a DVI to DVI cable in place of the DVI to HDMI cable as long as your TV has an unused DVI port.
Variation 3 – If you have one of the MacBook or iMac models listed below then you can use the two cables listed in Method 1 and just add a Mini DVI to DVI adapter in order to connect the DVI cable to your MacBook. Model Identifier: MacBook 1,1, MacBook 2,1, MacBook 3,1 MacBook 4,1, MacBook 5,2, iMac 4,1, iMac 4,2, iMac 5,1, iMac 5,2, iMac 6,1, iMac 7,1, iMac 8,1.
Variation 4 – If you have a MacBook Air, model identifier MacBook Air 1,1, then you can use the two cables listed in Method 1 and just add a Micro DVI to DVI adapter in order to connect the DVI cable to your MacBook Air.
Method 2 – Buy an HDMI cable and a Mini DisplayPort to HDMI adapter. The MiniDisplayPort adapter plugs into the Mini DisplayPort port on your Mac and then you connect the HDMI cable to it. The other end of the HDMI cable connects to an unused HDMI port on your TV.
Specific Macintosh models supported by this method: Macmini 3,1, Macmini 4,1, Macmini 5,1, Macmini 5,2, Macmini 5,3 MacPro 4,1, MacPro 5,1, iMac 9,1, iMac 10,1, iMac 11,1, iMac 11,2, iMac 11,3, iMac 12,1, iMac 12,2, MacBook 5,1, MacBook 6,1, MacBook Air 2,1, MacBook Air 3,1, MacBook Air 3,2, MacBook Air 4,1, MacBook Air 4,2, MacBook Pro 5,1, MacBook Pro 5,2, MacBook Pro 5,3, MacBook Pro 5,4, MacBook Pro 5,5, MacBook Pro 6,1, MacBook Pro 6,2, MacBook Pro 7,1, MacBook Pro 8,1, MacBook Pro 8,2, MacBook Pro 8,3.
Idiosyncrasy: Typically this configuration will carry both audio and video from your Mac to your TV. However, the first few Mac models that have Mini DisplayPorts port do not carry audio signals. They only carry video signals. I’m not sure why Apple designed these Macs this way since Mini DisplayPort ports can carry both audio and video as evidenced by subsequent models. Apple doesn’t clearly list which Mac models with Mini DisplayPort ports only carry video so if you find that your Mac is one of them then you’ll need to use either a 3.5 mm analog stereo audio cable or digital audio cable to carry audio from your Mac to your TV.
Note: MacBook Pro models 8,1, 8,2, and 8,3, iMac models 12,1 and 12,2 as well as Mac Minis model 5, 1, 5,2 and 5, 3 all have Thunderbolt ports instead of regular Mini DisplayPort ports. Thunderbolt ports look and act the same as regular Mini DisplayPort ports, but they offer additional features as well.
Variation 1 - Macmini models 4,1, 5,1, 5,2 and 5,3 have HDMI ports (as well as MiniDisplay Port ports) built-in so you don’t need to buy the Mini DisplayPort to HDMI adapter. All you need is the HDMI cable.
Variation 2 - If your TV has a digital audio input port, sometimes called Digital Optical audio or Toslink then you could substitute a digital audio cable for the 3.5 mm analog stereo cable. Recently, I’ve encountered some TVs that only have digital audio input ports and no longer have a headphone port so you may have to use this digital audio cable instead.
Idiosyncrasy: Using a digital audio cable is not an option for MacBook Airs 2,1, 3,1 and 3,2 since their audio output port is analog only.