How do I Uninstall ChromeOS Flex

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MacBook Air 11インチLate 2010

1.4GHz/1.6GHzプロセッサー、64GB/128GB のSSD

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Mcniner @eucador

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投稿日: 2023年12月1日

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How do I Uninstall ChromeOS Flex

I have a late 2010 11" Macbook Air with a 1.4 Ghz Intel Core 2 Duo and 2 GB of RAM. I have no replacement parts installed, it is all original. I installed ChromeOS Flex on it to give it life again, but I don't really like it now and regret installing ChromeOS. Whenever I try to go to recovery mode it does not work, it just boots into ChromeOS Flex, and my reinstallation drives are not detected in startup options. How do I uninstall ChromeOS Flex and get back to Mac OS X El Capitan?

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Are you able to enter recovery mode by holding down the Command and R keys during the devices startup?

Jacob Mehnert さんによる2023年12月1日

I already answered that, no I am not. It just boots straight into ChromeOS Flex without any signs that it is different than a regular boot without Command+R

Mcniner さんによる2023年12月1日

@eucador Have you tried CMD-OPT-R?

Duck さんによる2023年12月1日

No, I wasn't aware of that startup key combination. I'll try it when I get home. Fingers crossed it works!

Mcniner さんによる2023年12月1日

It does not work, it just boots into ChromeOS Flex. The only startup options key that works seems to be OPT to get to Startup Options

Mcniner さんによる2023年12月1日

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Are you able to enter recovery mode by holding down the Command and R keys during the devices startup? — Jacob Mehnert
I already answered that, no I am not. It just boots straight into ChromeOS Flex without any signs that it is different than a regular boot without Command+R — Mcniner
No, I wasn't aware of that startup key combination. I'll try it when I get home. Fingers crossed it works! — Mcniner
It does not work, it just boots into ChromeOS Flex. The only startup options key that works seems to be OPT to get to Startup Options — Mcniner

Chris Green @chrisgreen 評価: 37千 154 91 50 · Answer 1 · 2023-12-01T15:30:01-07:00

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Chris Green @chrisgreen

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You probably wiped out the recovery partition when installing ChromeOS. To solve this, you'll likely need to create a MacOS installer flash drive, boot the computer holding the "option" key, then boot from said USB disk. Then you can reformat the hard drive and install MacOS.

You can download USB installer images for older Macs directly from Apple here. The newest version your machine can run is likely High Sierra but only a download of Sierra is available. Just install that then upgrade if desired.

To make the bootable USB installer, reference this guide. If you don't have access to another Mac, there are ways to create an installer on a PC as well. It should be relatively easy to find with some googling.

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I have already tried that, but it seems that none of my USB drives are seen in the menu when I use the option key.

Mcniner さんによる2023年12月1日

How are you preparing the drive? This Mac definitely is capable of booting from a USB disk. You may also want to reset the SMC on the machine and see if that has any effect. I believe the only other way to re-install the OS on this machine would be to remove the SSD, and place it in an external enclosure or install it in a similar Mac and run the installer on that machine.

Chris Green さんによる2023年12月1日

You are right, I am not preparing my installer drive correctly! A quick look told me that the drive was the wrong format. Thanks!

Mcniner さんによる2023年12月6日

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MacBook Air 11インチLate 2010

How do I Uninstall ChromeOS Flex

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