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1.6 또는 1.8 GHz dual-core 프로세서, 2 GB 또는 4 GB SDRAM, 64 GB 또는 128 GB SSD

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MacBook Air White Screen No Logo

Tried everything. Macbook air was working fine. Just updated to El Capitan then it wouldn't go to sleep (i.e. fan was on high even with the lid closed). I opened it back up, pressed the power button for afew seconds then got a message on a white screen that said "Device Restarted because of a problem..."

Tried restarting again, and have been getting a plain white screen with no logo. Initially there was no chime either. Then after resetting PRM got the chime.

Read one of the posts here so I removed the hard drive too. Reset SMC, tried pretty much everything. All I get is the white screen with chime no matter what I try. Unplugged battery, reseated the video cables, tried hooking up to exter screen/drive etc. Still nothing. Any troubleshooting help would be deeply appreciated

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Even with the Hard Drive Pulled out, all I get is the White Screen. I don't know how to get past it. I thought that if it didn't have a drive in it, it would show something other than the white screen, but it doesn't, all I get it the white screen :-(

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Heard a guy who warmd up cpu for 5 minutes heatgun . Applied thermom paste and it worked gaaien . Was with MacBook Pro 16”

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Try booting the computer while holding Command + R. This should boot the computer into the recovery partition. From there you can open Disk Utility and check the health of your Hard Drive.

Once you open Disk utility select your hard drive and click the First Aid tab. Then click verify disk, if this comes back red your upgrade to El Capitan may have gotten corrupt. If you have a backup awesome, if not you can try to backup through target disk mode. You are able to reinstall Mac OSX through the recovery partition as well, you do not want to reformat your disk just install. The install should not touch your data but I recommend you have a backup first either way.

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Tried that. Holding down Command R does nothing, all I get is white screen. The only thing that does anything is holding down Command+Option+P+R. For as long as I hold it down it restart and gives me the chime and restarts. I can't get past the blank white screen though, it's always the white screen. Left it on for several hours yesterday to see if it would get past the white screen to something else, but no luck

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What happens when you hold option down on boot?

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Still nothing white screen. I'm stumped. Connected the hard drive to another macbook now, reinstalling osx on it now. I had turned on fileVault after installing El Capitan. Wonder if that's the issue. The SSD is currently hooked up to another macbook via USB. I'll try putting the drive back in and see if I get anything different. I'm really worried that some part of the Logic board might just be fried or something.

When it was running yesterday, I had trouble with the USB port next to the Magsafe Charger. I thought nothing of it, but now I'm beginning to wonder if that was the first sign of a logic board going back.

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Sounds like os has been corrupted try reinstalling osx without formatting the drive

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Does it boot while holding Command + S ?? I see you have already begun a reinstall but if there's still no change see if it will boot into single-user mode. If still nothing happens try booting from an external device like a flash drive or external hard drive. Does it boot from there? Keep us posted!!!

Update (11/23/2015)

I have found a solution in case this is still an issue for you or anyone else. If you unplug the internal drive but plug in a bootable (I used a thunderbolt drive) It will begin to boot from that drive just fine but still not the internal. However it won't boot from the bootable when the internal drive is actually plugged in. Why is this? Well the solid state is actually read by the machine at first so it attempts to boot from it, when it sees that the drive is defective or bad it errors out and stays at the white screen.

In my scenario I grabbed a known-good SSD and plugged it in and it booted right up again. Apple logo and then into the OS. I'm not sure how to explain how it was recognized in another machine but isn't working in the laptop we need it to work in but from what I can tell this is caused by a faulty SSD. I hope this is helpful to anyone else having these issues!

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Thanks, tried holding down Command + S for over 30 secs from power up. I hear the chime, then white screen. Tried Command+R, with Bootable USB,. tried holding down just Option with Bootable USB drive. In all cases just getting a chime, white screen (no logo) and then nothing else. Is there some way that the BIOS can get corrupted?

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If it chimes the BIOS is most likely fine. You mentioned it started after a OS Upgrade. A guess could be that the upgrade was too power-demanding from the CPU / GPU / RAM and cause one of them to malfunction. This might be why there was no chime initially but after the PRAM reset it started to chime again. Any history of liquid damage?

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See the "UPDATE" Portion of this post and see if the explanation helps at all. It makes sense logically. :) Good luck

Startup chime, no boot, white screen of death

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Finished reinstalling OSX el Capitan, booted up just find on the other macbook air. Put the hard drive in mine & no Luck, Still just a white screen :-(

There's no history of water damage on the laptop. The only thing I know is that it was really hot yesterday before all this happenned.

With no display I have no idea what's going on with the Mac itself. Bummer :-(

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This isn't how repairs should be done on a regular basis... but if nothing else is working, try reflowing the GPU (not processor) by putting it under very intense heat to melt the solder underneath. Its possible it overheated itself and became damaged during the update considering that these devices have very poor ventilation to begin with. It's not a long-term solution to the problem but at this point can't hurt to try.

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Judy, can you let us know if the problem was fixed?

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Power Off MacBook, Disconnect HDD, Press and hold Option key then Press Power Button, screen will work and its show wifi name and cursor, immediately insert bootable usb, as it is Condition, reconnect hdd strip, then hit bootable media(usb)wait for loading and reinstall macOs,

this fixed for me

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I have the same issue on my Macbook Air. When I remove the ssd strip, then I can boot from the USB stick. But the disk utility don’t rescan the ssd after reconnect.

Anybody knows an adapter for this kind of ssd’s to read out the date from another mac over the USB? It is the 6+12pin connector:

https://www.heise.de/imgs/18/2/5/6/3/7/7...

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Same problem here, @danj suggests it to be a GPU issue, I haven't yet tried the heating up solution but it might be the last chance to revive it. I have a wasted 2013 model but I am not sure if the GPU unit is the same as the 2012, as the boards are slightly different.

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Judy Aposaga 영원히 감사할 것입니다.
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