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Released October 24, 2011 / 2.2, 2.4, or 2.5 GHz Quad-core Intel Core i7 Processor

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not sleeping on lid close

Ever since I replaced the thermal paste on the system board (see "reflow" procedure - very involved and requires completely removing system board from laptop - all cables removed, etc.) my laptop hasn't been sleeping on lid close.

It will sleep if I select it from the menu, or eventually as part of the Power Saver prefs, however.

Is it possible I left a cable loose and if so, which one is it?

Could this be fixed by a pram reset?

Anything else to look at?

It's been running great with new thermal paste, no longer panicking on video issues.

Thanks!

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The HD SATA cable holds the Hall Effect sensor with the IR sensor. I would recommend you first try replacing the cable MacBook Pro 15" Unibody Late 2011 Hard Drive/IR Sensor Cable Replacement hopefully you didn't damage the logic board.

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Thanks! Would this affect the IR sensor as well, then? I have an old mac remote I could test this out with.

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It might, if you ripped or damaged the ribbon cable. I do recommend placing some electrical tape down on the uppercase where the cable rests.

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Robert Campbell will be eternally grateful.
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