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04-10-2014, 09:11 AM #1
Macbook Pro chimes and then switches off at boot
Hi
I have a Macbook Pro (MC374LL/A) which won't boot anymore
I followed the recommended steps in the following links:
Mac OS X: Gray screen appears during startup
https://discussions.apple.com/thread/5391976
...but wasn't able to obtain any improvement
1) Safe boot doesn't work
2) Reset the NVRAM / PRAM doesn't work
3) Start up your Mac while holding the C key doesn't work
The DVD I manage to enter is immediately ejected
On each boot the grey screen lasts barely two seconds before the MBP switches itself off
Any ideas ?
thanks
yann
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04-10-2014 09:11 AM
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04-10-2014, 10:19 AM #2
I'm afraid that doesn't sound particularly healthy, and you have already tried all the steps I would suggest as far as self-help is concerned. I would be tempted to take it to your nearest Apple Store or reputable Reseller and get it diagnosed by an expert....probably not exactly what you wanted to hear, but in this case, I would suggest it is the most prudent option.
'Deep Thought' - Mac Mini Late 2018- macOS Mojave (10.14.5)
'Marvin' - Mac Mini Late 2014 - macOS Mojave (10.14.5)
'Orac' - MacBook Pro 13" Mid 2012 - macOS Mojave (10.14.5)
iPhone 6S - iOS 12.3.1
iPad Pro 12.9" - iOS 12.3.1
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