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Does using a keyboard cover block the fans?

I am using an iSkin keyboard cover for my MacBook Pro 15" Retina Display purchased in 2012. I was wondering if using this keyboard cover hinders the fans' performance.

MacBook Pro (Retina, Mid 2012), OS X Mavericks (10.9)

Posted on Dec 14, 2013 7:19 PM

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16 replies

Dec 15, 2013 11:54 AM in response to Nick Scribner

To a small degree, yes.


It is designed for heat to escape from all gaps to keep inside cool, but the hinge vent is critical.


Second in importance is the bottom cover where much of the "contact heat" from the logicboard/GPU/RAM escapes, and far less than the heat that escapes through the hinge-vent.


Remeber keeping it on your MBP on your lap while using it blocks the heat escape from the bottom panel. Use on a flat hard surface such as a table. Aslo kind-of safe is a mini-work-table that is hard/flat but has a support frame that sits on your legs for use while sitting (just do not stand up too quickly and dump your MBP).

Dec 15, 2013 12:01 PM in response to Nick Scribner

Like Steve359 said, the back edge openings by the hinge and the air gap below the bottom plate provide the airflow for primary cooling and they work whether the lid is open or closed. If the keyboard was that critical to heat dissipation, Apple would not allow lid-closed operation. But Apple does let you use the Mac when the lid is closed, when the laptop is connected to an external monitor.

Does using a keyboard cover block the fans?

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