I have an older MacBook Pro ( 2007, 2.33GHz ) running 10.6.6 that I'm hoping to use as a media only ( movies & music ) computer. I'd like to connect it to an external monitor and leave the lid closed.

Would doing so pose any risk to the laptop? I heard that the a good amount of heat is dispersed through the keyboard and that leaving the lid closed could cause the computer to overheat. Is there any truth to this?

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From personal experience, I use my MacBook Pro 3.1 in a HengeDock with the lid closed 24/7. I often use it to do processor-intensive tasks (rendering video, etc) and I've never had a problem. Most of the heat comes out the back by the fans (just like it's designed to do). There's no risk to the computer.

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No risk. The thermals of the MBP are well designed enough the lid concern to be moot.

This could be said about most laptops.

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The latest MacBook Pros have the vents on the top near the keyboard. If you kept the screen closed halfway overnight for long renders, the screen gets brown burn/smoke marks from the heat!

I just had this happen to me today. NOT GOOD!

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