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I have a 17inch Unibody Macbook Pro running Snow Leopard. I just installed InsomniaX, which allows me to close the screen of my Macbook without it going to sleep. However, I heard that doing this may cause damage to the screen. Does anyone know if damage will be caused, or what a safe temperature is?
 

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Anything that circumvents Apple's design is likely to be unhealthy for the machine in the long run. I doubt that using the MBP in this fashion is harmful under light load or for short periods, but unless Apple says it's okay to do it I would avoid engaging in the practice long-term.

I should add that I'm not familiar with where the vents are on the newer MBPs, so that could be a factor in how harmful it is.
 

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You are just an illusion
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closed lid works when an external monitor is plugged. So Apple is somehow allowing it, so i GUESS it is safe?

anyhow,.. if you close the lid, it is because you aren't using the computer, right? So, why not let it shut down.
 

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Actually some people want to run their laptop in the closed "clamshell" configuration using an external keyboard, mouse and monitor, along the lines of a Mini or desktop. This can be useful for example also if you want to run it as a media server to your TV where you don't want the second screen.

At any rate Apple use to not support this idea and warned against it in some tech notes, but as they are actually now selling stands on the Apple web site to support a Macbook Pro in closed clamshell mode it appears they have had a change of heart.



One useful comment for the OP appears on the page selling the stand:

One thing to be aware of is that the Unibody MBPs vent heat from the hinge. Bearing that in mind, it's a good idea to put your notebook in hinge-up so the heat rises. In this configuration, there will be no problems with overheating. This is different than the old plastic MacBooks, which tended to overheat when run in clamshell mode since the keyboard was part of the vent system.
 

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R.I.P. Don - 06/21/2020
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Actually some people want to run their laptop in the closed "clamshell" configuration using an external keyboard, mouse and monitor, along the lines of a Mini or desktop.
This is the part I just don't get. Why buy a laptop and use it like a desktop? Buy a desktop and be done with it.

I don't use either a mouse or a keyboard with my MBP. It's a laptop for goodness sake and I use it like one.
 

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This is the part I just don't get. Why buy a laptop and use it like a desktop? Buy a desktop and be done with it.
Because some people need to take their Mac to multiple locations, and once there, would like to use it with a larger display, and/or keyboard & mice. It's not that hard to grasp. My dad, for example, uses his MBP at home and at the university, but uses it in desktop mode some of the time while at the university. Purchasing 2 x desktop Macs would make no sense.
 

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This is the part I just don't get. Why buy a laptop and use it like a desktop?
To each their own, some people clearly do, doesn't bother me if that is what they want to do.

Personally our Macbook Pro when used at home sits on an mStand by RAIN Design. It provides an excellent viewing angle and superior cooling. Both my wife and I prefer an external keyboard and mouse configuration as well (I hate track pads and will always use a mouse whenever possible).

It works great for us, not to mention it looks really nice and keeps cable clutter to a minimum. Also due to the design it provides for space to tuck your keyboard underneath when you aren't using it if you want it out the way for one reason or another.



 

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I bought a Mini as my desktop and a MBP for my portable which makes perfect sense. The right machine for the right location.
Makes less sense if the data on the two machines has to be identical at all times. If it doesn't, then yes it's not a bad idea, depending on if you like to move around. The laptops in my family's household are used in bed, kitchen, living room, deck, and balcony. ;)
 

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I have a griffen stand, use it with an external display all day, but I crack open the screen about a quarter of the way up on my 15 inch uniMBP. I use it more like a desktop, but I like the option of being able to bring it out to our conference room when customers are here, the portability is a luxury that I am willing to pay for... well work is.
 

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I also use my MBP in clamshell mode connected to an external monitor and keyboard. I love the portability, taking it out on the deck/patio/cottage etc. But when at home and don't need the move around with it I love the ability to have an external 24" lcd and keyboard/mouse.

So for me, the right machine for the right purpose(s).

Cheers
Paul
 

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FWIW, I have one machine -- my Blackbook. Because I do a LOT of public demos, I didn't see the point in having two machines I would constantly need to keep in sync, so when its at home my laptop sits on a stand, connects to a larger monitor and a full-size keyboard and mouse.

I'm perfectly comfortable using it as a laptop on the road, but prefer the little niceties of a desktop (larger screen, plug-in storage drives, full-size kb and wireless mouse) when I'm at home. But mainly, not having to sync two machines is a big thumbs-up from me.

I never use my machine in "clamshell" mode, precisely because it disobeys a fundamental law of physics, "heat rises." Whoever came up with that special stand for MacBooks is a very clever fellow and IMO doing it like that is the best/safest way to use clamshell mode for those who wish to.
 
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