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Hi This is my old iMac 21.5 inch late 2015 dual booting macOS Mojave and Windows 10 20H2
details about these two OSes
- macOS Mojave 10.14.5
- Windows 10 20H2 19042.1288
Thank you for inconvenience
Here is a pic (sorry about picture quality)
iMac Line (2012 and Later)
Are you able to boot back into macOS with the OPT key on restart? If so, I would erase the partition with Boot Camp Assistant and then re-add it.
Remove Windows from your Mac using Boot Camp - Apple Support
Install Windows 10 on your Mac with Boot Camp Assistant - Apple Support
Are you able to boot back into macOS with the OPT key on restart? If so, I would erase the partition with Boot Camp Assistant and then re-add it.
Remove Windows from your Mac using Boot Camp - Apple Support
Install Windows 10 on your Mac with Boot Camp Assistant - Apple Support
Sorry for late because my old phone is dead. I come back with my new phone.
Thanks so much! It works and I reinstalled Windows it back functionality.
Excellent. Glad I could help.
iMac 21.5 Inch 4K 2015 BSOD INTERNAL_POWER_ERROR (Windows 10, BOOTCAMP)
