- #What is the maximum os for macbook air a1237 mac os
- #What is the maximum os for macbook air a1237 install
Rename the drive Macintosh HD and choose Mac OS Extended (Journaled)
Open Disk Utilities again and create a Drive using the plus button. Restart in Internet Recovery Mode by pressing the Option + Command + R to boot from the internet. Once Deleted shut down your Mac a second time. Open Disk Utility from the Recovery partition and delete your drive by selecting the minus button on the top right (Do NOT ERASE the drive-just remove it via the minus (-) sign). Shut down your Mac and then hold command + R and boot up your Mac into Recovery Mode. Instead, delete your drive until you have no visible drive. 
If that doesn’t work, try this reader tip (we haven’t replicated this problem, so attempt this one at your own risk) You may need to try these steps, including a shutdown, a couple of times.This opens up Internet Recovery-try reinstalling macOS from here.Then press Option + Command + R when you turn it back on.However, if you went ahead (or decide to try it anyway) and ran into the error “could not create a Preboot Volume for APFS install,” here’s a few tips If you don’t know what file system (or macOS/Mac OS X) came with your system when new, Apple instructed us to continue recommending Mac OS Extended (Journaled.).So leave the heavy lifting to your macOS installer!ĭon’t Know What Your Mac or MacBook Shipped With?.
#What is the maximum os for macbook air a1237 install
When you erase your disk with Mac OS Extended (Journaled) and then install macOS High Sierra, Mojave or above, the macOS installer automatically decides whether to convert the disk to APFS. You should choose macOS Extended ( Journaled) AND NOT the new file system APFS. If your Mac or MacBook shipped with Mac OS Extended Only then reset it to APFS AND don’t change it to Mac OS Extended. It’s indeed confusing when re-formatting your Mac’s hard drive when using macOS High Sierra, Mojave, Catalina and above! Here’s what we understand on the question of APFS or Mac OS Extended If your Mac shipped with its hard drive already APFS-formatted In particular, they report getting the error message “Could not create a Preboot Volume for APFS install.” Many users have encountered problems when resetting their Macs and MacBooks using APFS. MacOS High Sierra and above use Apple’s latest file system called APFS. Resetting a Mac with APFS (Apple File System)? 
Other ways to reinstall macOS (not factory reset). If you’re selling or giving away your Mac. Factory Reset MacBook Air and other Macs With macOS Recovery. 4) Deactivate Programs and Remove Other Authorizations. Checklist before you start ANY factory reset. Here’s what we understand on the question of APFS or Mac OS Extended. Resetting a Mac with APFS (Apple File System)?.
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