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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