thank you for trying to help me and thank you to everyone else in this thread too ... very appreciated !
Quote:
Originally Posted by musicman691
The firmware update won't interfere with being able to dual-boot. Let me understand: your machine currently is flashed to act as a 5.1 right?....
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yes, it´s flashed to act as a 5,1
Quote:
Originally Posted by musicman691
Until a couple of weeks ago I ran a dual-boot on the same ssd: one partition for Mavericks and one for High Sierra. Before I went to HS that partition was Sierra. When I went to HS I installed it onto the Sierra partition and that was the only partition that changed to APFS formatting. .....
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are you still able to read files on the HS partition if you´ve booted from the Mavericks partition ?