OT: Macbook Random Shutdown

chris bohnert chris at altuit.com
Sun Oct 8 12:56:16 EDT 2006


Andre,

My macbook experienced this same problem after a firmware update.(Random
shutdowns followed by booting to a rainbow screen).  I fussed around with it
in much the same fashion as you describe until I found a site that suggested
zapping the pram several times.

In particular is suggests using the cmd-option-P-R key combination while
booting 3 times.  On the third time let the system boot through to the
desktop.

I did this process twice and haven't had any problems since the 10.4.8update.

--
cb


On 10/8/06, Pierre Sahores <psahores at free.fr> wrote:
>
> Aloha Andre,
>
> Something a little different occured to my macBook Pro 2Ghz 2Go RAM
> yesterday (first time since i got it two month ago : after going out
> of sleep, the screen stay black but all other functionnalities are
> active (keyboard, DVD drive, etc...). I had to reboot to get the
> laptop running OK again. Perhaps just a firmware update to fix,
> perhaps more...
>
> Best Regards,
>
>
> Le 8 oct. 06 à 17:48, Andre Garzia a écrit :
>
> > I call on the wondeful knowledge base of the Apple Experts here! :-)
> >
> > Starting today, my Macbook is experiencing random shutdown,
> > meaning, all of a sudden the screen goes black and the power is
> > off. Then it won't start again, press the power button, it goes up
> > for 1-2 secs and then it will go down again. After the fourth or
> > fifith try, it will boot, but no one knows for how long it will
> > stay up.
> >
> > I checked on the popular sites and it appears that this is a wide
> > spread issue with no easy fix, people are changing their macbooks
> > logic board to fix it, others are blanketing the thing with termal
> > paste... I don't know what to do. Apple Brasil is a joke as a
> > company, they never answer and their prices are so high that is
> > cheaper to travel to the US buy the thing there and come back than
> > buying apples here.
> >
> > anyone seen this before, any one got a clue or wise advise?
> >
> > I am moving my development back to my g4 iBook.
> >
> > And people asked me why I never sell old computers... thats why...
> >
> > In Panic
> > Andre
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>
> --
> Pierre Sahores
> www.sahores-conseil.com
>
>
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