HT204156: About the screens you see when your Mac starts up

Learn about About the screens you see when your Mac starts up

Oriovaldofromsp

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Q: My Mac Book Air blacked out! It won't start!

MY Mac book air blacked out! It's not starting at all!

Mac Book Air El Capitan

Posted on Nov 15, 2015 2:45 AM

I have this question too

Q: My Mac Book Air blacked out! It won't start!

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by lllaass,Helpful

lllaass Nov 15, 2015 4:14 AM in response to Oriovaldofromsp
Level 10 (188,104 points)

Desktops

Nov 15, 2015 4:14 AM in response to Oriovaldofromsp

- Try resetting the SMC and NVRAM/PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
- Try starting in Safe Mode
OS X: What is Safe Boot, Safe Mode?
- Boot to Recovery and repair the startup disk
OS X: About OS X Recovery - Apple Support
- If it is repairable reinstall the OSX
How to reinstall OS X on your Mac - Apple Support

This is the Mac Pro desktop forum. I requested your post be moved to the MacBook air laptop forum.
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by Oriovaldofromsp,

Oriovaldofromsp Nov 15, 2015 4:19 AM in response to lllaass
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Nov 15, 2015 4:19 AM in response to lllaass

Thanks a lot! I'm following your instructions now, hope they work.
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by Oriovaldofromsp,

Oriovaldofromsp Nov 15, 2015 5:08 AM in response to lllaass
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Nov 15, 2015 5:08 AM in response to lllaass

Unfortunately, nothing is working out... the starting screen remais with the Apple logo and filled bar but won't go on
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by lllaass,

lllaass Nov 15, 2015 9:38 AM in response to Oriovaldofromsp
Level 10 (188,104 points)

Desktops

Nov 15, 2015 9:38 AM in response to Oriovaldofromsp

So you booted to recovery and successful restored the startup dis, formatted the drive and reinstalled the OS vi Recovery and still have the problem?
If so then run Apple hardware test
Using Apple Hardware Test - Apple Support
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by Oriovaldofromsp,

Oriovaldofromsp Nov 15, 2015 9:55 AM in response to lllaass
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Nov 15, 2015 9:55 AM in response to lllaass

Actually I first ran Apple hadware test, and it was normal. Then I booted to recovery about three hours ago, it's still running, it seems like it might take another few hours...
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