Currently Being ModeratedApr 21, 2012 10:49 AM (in response to nicolaluna)
If I were you I would return to the Apple Store and complain about this behaviour, which seems to have begun immediately after replacing your hard disk. Your MacBook may be out of warranty but any repairs they perform should be guaranteed for a period of time.
Currently Being ModeratedApr 21, 2012 10:53 AM (in response to John Galt)
I agree, John, and thank you, but given my experience the last time I was there, I am hoping for some solution that can just get me through the next month before I bring it in again. I can't lose my computer right now, I don't have the money for a new one & I need to graduate!
Any other thoughts related to fixes I could try myself, first?
Currently Being ModeratedApr 21, 2012 11:00 AM (in response to nicolaluna)
Try Apple Hardware Test - you need your original system installation DVD. Insert the DVD, and reboot while holding the D key.
If it is randomly rebooting due to a hardware fault, AHT might not even run. With all the detritus inside your MacBook that you describe, anything is possible.
Currently Being ModeratedApr 21, 2012 1:36 PM (in response to John Galt)
Well, I tried that.... Unfortunately AHT detected nothing wrong.
Any other suggestions, anyone?