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i have recently purchased a new MacBook Air and want to erase my old one to possibly sell it. I don’t think I erased it properly as I now have a folder with a flashing question mark when I start up my Mac. When I get into MacOS recovery it won’t allow me to reinstall MacOS or repair my startup disk. I can not access the laptop and not sure if I have done something wrong that won’t allow me to sell..
MacBook Air
Why won't it allow you to reinstall the OS? Have you tried booting into Internet Recovery to see if you can reinstall the OS?
Try booting into Internet Recovery (command - option/alt - R on a restart). It is a slow process. This will install the newest OS that the computer is compatible with. Reformat the drive using Disk Utility/Erase Mac OS Extended (Journaled), then click the Option button and select GUID. Quit Disk Utility. Then install the OS.
Why won't it allow you to reinstall the OS? Have you tried booting into Internet Recovery to see if you can reinstall the OS?
Try booting into Internet Recovery (command - option/alt - R on a restart). It is a slow process. This will install the newest OS that the computer is compatible with. Reformat the drive using Disk Utility/Erase Mac OS Extended (Journaled), then click the Option button and select GUID. Quit Disk Utility. Then install the OS.
This is the message I get when I try to reformat the drive
“erase process has failed”
The screen shot message is too small to read even using a magnifying glass. Please post the message in a new post.
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Does it do the same thing if you boot into Internet Recovery using the steps I posted above?
Yes that is what happens when I do the recovery steps
The hard drive may have failed. See if anything here helps.
https://search.yahoo.com/search?ei=utf-8&fr=aaplw&p=erase+process+has+failed.+press+done+to+continue
erase all data on mac
