I have a similar problem with my MacBookPro17" Intel Core Duo 2.16GHz
It has added memory to 2 GB (2 x 1 GB) 667 MHz

It seems to be overheating and quitting with a black screen.
What worries me is that the fan does not appear to be working - I should be able to hear it' I believe.
Do you think a visit to Brihghton Apple Store's Genius might be the answer?

I think it might be due to dust or similar reason for blocking fan operation?

Keith
======================================================================

Sam - MacAmbulance wrote:

Sounds more like a power management issue. Try the following :
   1. SMC reset
      : http://support.apple.com/kb/HT3964?viewlocale=en_US&locale=en_US
      <http://support.apple.com/kb/HT3964?viewlocale=en_US&locale=en_US>
   2. Trash power management preferences & restart : Macintosh HD >
      Library > Preferences > SystemConfiguration >
      com.apple.PowerManagement.plist
   3. PRAM Reset : alt + cmd + P + R when rebooting, hold until you
      hear the startup chime a second time


Regards

Sam

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On 8 Sep 2014, at 08:39, mac98aop <[email protected] <mailto:[email protected]>> wrote:

Hi all

Hope you all had a nice summer.

I've never had a failed HDD before, so now wonder if there are tell tale signs to diagnose in my 6 year old Macbook Unibody.

Every now and then, whether on AC or battery:

1. The screen goes blank
2. The HDD stops spinning
3. The sleep comes on

Sometimes it then:

A. Immediately wakes itself and carries on right where it left off (even mid video playback)
B. Requires a press of the power button to wake it again

Is the HDD feeling unwell? Should I prepare to replace?
Or could it be a power supply fault, loose wire...? Any tips to diagnose?

I've run Disk Utility but presume that's unlikely to find/fix anything like this?

Any help gratefully received,

Thanks all - and anybody 'in line' in Cupertino whilst reading this?! ;)

Adam

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