I am using MBP 2015 running OS Catalina. I installed second partition Windows 10 using Boot Camp. The issue I have on Windows: I want to reboot into Mac not by holding Alt key but by using icon. On Task Bar I select icon Boot Camp, click on item 'Restart in OS X...' It pops up a message: 'Are you sure you want ... Your computer will start up using OS X..' I click OK and got error message: 'Could not locate OS boot volume' How could I fix it ? Thanks
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1 Answer
Update your Boot Camp Windows support software. The latest versions can now read APFS.
You need to start this from the Mac side & need a spare 16GB USB stick.
Format MS-DOS/MBR
From Boot Camp Assistant, Download Windows support software
Save the download to the USB
Reboot in Windows - Install.
Comprehensive instructions at Apple - https://support.apple.com/HT204923
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thanks for advice. I am planning to follow it. The only concern is: will it require to reinstall Windows OS or only fix boot camp issue?– susikCommented Sep 19, 2020 at 11:15
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It requires nothing except as mentioned - updating the Windows support software– TetsujinCommented Sep 19, 2020 at 11:17
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That’s great. Thanks again. The only concern left is that my hard drive is 120 Gb and ~60 Gb were available. During boot camp install process it allocated 37 Gb for Windows and did not give me the option to resize. Hence I have Windows 10 running on 37 Gb partition with ~13 Gb available. For now it runs fine. My question: could I leave it 'as is'? Thanks– susikCommented Sep 19, 2020 at 11:25
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Apple provides no method to resize Boot Camp partitions after initial creation other than completely erase & start again from scratch. At initial creation if it will not let you change size, it's because it has deemed you don't have enough space to do anything else… so, yes, leave it as it is.– TetsujinCommented Sep 19, 2020 at 11:27
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