Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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Unibody looks freeze and keyboard doesn't response

My MacBook Pro Unibody (13") stops working well when I'm playing.

The game continues working but the keyboard and the mouse doesn't response.

I've seen that the temperature is over 70 ºC

I'm using a control FAN but it stills happening.

I'll tray to unmount it and clean it but does someone have got an other solution?

Thank you very much!

The las7 3 numbers of the serial numer are: '66E'

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Please give us the last three figures of your serial number so we can identify exactly which machine you have and get you to the correct guide.


The last 3 numbers of the serial numer are: '66E'


Apple MacBook Pro "Core 2 Duo" 2.53 13" (SD/FW) Specs

Identifiers: Mid-2009 13" - MB991LL/A - MacBookPro5,5 - A1278 - 2326*


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1 Answer

Chosen Solution

At this point the most likely causes are a failing fan, clogged heat vent ports and lack of thermal paste. I'm not sure what your control fan is. Try downloading and running SMC Fan Control to see what your fans are doing: http://www.macupdate.com/app/mac/23049/s...

The next thing would be to strip it down to the heat sink, clean the vents and replace the thermal paste.

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I'm Actually using SMC Fan control but it doesn't solves anything hope because the MBook Pro unibody only have got one FAN

i'll try to clean it.


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