It did it again tonight.  Maybe I should just put out to sleep rather than 
power ir down.

steve harley <[email protected]> wrote:
>on 2013-12-31 1:51 Larry Colen wrote
>> On Mon, Dec 30, 2013 at 01:33:31PM -0700, steve harley wrote:
>>> is it possible you also did a safe boot
>>> >(shift-restart) which clears caches and checks the disk?
>
>> I did that, and it didn't help.  the machine acted up again today and
>I misremembered,
>> did a ctrl-command-v then p on power up. I got a verbose boot
>(showing kernel messages)
>> and then it booted fine.
>
>maybe you didn't even reset pram (command-option-p-r); just command-v
>does a 
>verbose boot, but to my knowledge this mode does not modify anything
>
>my few gray screens have always been a bad disk or a serious hardware
>problem 
>(bad solder on video board)
>
>i suppose you have seen Apple's standard troubleshooting doc:
>
><http://support.apple.com/kb/ts2570>
>
>and there's primer here on the boot stages and what a gray screen
>actually 
>means (except the references are bad links):
>
><http://apple.stackexchange.com/questions/17499/what-should-you-do-if-your-os-x-system-fails-to-boot-being-stuck-at-gray-screen>
>
>beyond that, since it's new, i would probably just ask for a
>replacement either 
>via AppleCare or a "genius" at an apple store (requires appointment);
>both will 
>want to diagnose it first, so the latter may be faster if you are face
>to face 
>with someone who trusts your narrative of what you've tried; otoh, an
>Apple 
>Store isn't likely to have last year's model in stock …
>
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