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In June 2017 Apple updated its 13" MacBook Air with a newer Broadwell Intel Core i5 processor, resulting in slightly increased performance and battery life.

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Start up screen stuck on 100% with any bootable Drive

Really hope someone can help me with this quandry. My Status bar stuck on 100% won’t boot with anyBootable Drive or get to recovery mode or safe mode.

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Bu iyi bir soru mu?

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Are you able to get to Target Disk Mode? Restart your system and press the T key. Your display should see a Thunderbolt icon displayed.

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Thanks Dan but I haven't got another Mac to connect it to if that's what you were thinking.

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Not yet ;-}

Can you get that far?

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Will try now and let you know.

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Yes can do that.

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Thats good! So at least you can get to your data using a second Mac.

But the bad news is you need a bootable external drive to try to boot up your system and backup your data. Or, you’ll need a second Mac to reformat your drive.

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Thanks again for that Dan. Appreciate your time. Have tried several Ext Bootable Drives but all do the same thing (ie. Get stuck on the loading bar at 100%) Will keep thinking .... :)

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Time for to find a second Mac as your only option. There's no other answer here. The drive has a serious defect. It might also require replacement.

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Hoping you'll see this Dan as it's been a few days.. I have an ext Drive caddy so will be able to retieve my data and have also tried booting from another Bootable Drive but the same thing happens. Infact the same result when I try to boot in Safe Mode or Recovery. Still stumped as it appears to be an issue with the Mobo don't you think. The only feeling I have is that maybe I could fix the issue with Single User commands maybe? But am not sufficiently proficient to know precisely what command to issue.. Not so tech savy :/

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