How to connect your Macbook to a HD TV.
Moshi Minidisplay to HDMI
First things first..
Right, the things you'll need will be;
A HDMI cable,
Mini-displayport to HDMI adapter,
Also a TV.
The first thing you need to do is
Connect the HDMI cable into the back of your television and take note of what channel you need to be on. For example on my telelvision I plugged the HDMI cable into HDMI port 3, you need to make sure you are on the correct channel or nothing will show.
Secondly you need to buy a HDMI to Mini-display port cable and connect them both. Then connect them to the Macbook. You need to make sure you've got a processor of 2.4GHz or better or else it won't work. You can check this from clicking the apple button up on the top left then clicking 'About this mac' then looking at the processor speed.
After connecting all of the cables, you'll notice your Macbook screen will go all weird as will the television screen, give it a minute to load up and sort it's self out and then once it's all done. You'll need to go onto System Preferences to set up the audio and display.
First we'll sort out the display, there's two ways you can use the second screen, you can use it to either have as a second display, as you can make your screen double the size, or you can mirror the image. Basically, if you want to see what you see on the Macbook's screen on the TV at the same time you'll want to mirror the image.
So, after going off a bit you're in System Preferences and then into Display. If you look at the bottom left hand corner of the displays box you'll notice it says 'Show displays in menu bar'. You'll want to ensure that's ticked to facilitate things later on. Now you'll notice you'll have a little TV up near your clock. Click that and detect displays, and now you should have two displays listed. Also on the drop down menu you'll notice it says something about Mirror image, now is the time to click Mirror image or not, total personal preference. After you've set all of that up, either 720p, 1080p what ever you choose it should show up on your TV. Looks amazing doesn't it?
Now for the audio, this bit is simple! Go into your system preferences again and click sound. You'll want to click sound output, now if you look below you'll see internal speakers which should be highlighted, just click the TV and voila!
You've now got your Macbook connected to your TV, looks absolutely amazing doesn't it?
If you're having trouble fitting the entire screen on the TV try playing about with the settings of the TV. For example, I output the picture from my Macbook on 720p as for some reason 1080p doesn't fit on my TV screen, the top or bottom is missing. Also if you go into your TV settings with your remote and find the picture section, ensure that the picture is set to Just scan or something similar as setting it to 16:9 or something else will cut the picture off what ever the setting.
I hope i've helped you all set up your Macbook's to your TV, now you can go on Youtube and watch video's on your TV's, iPlayer, all of it!
Hope it works, if not drop me a message and i'll try to sort it out!