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MP 1,1-5,1 OpenCore Patcher Big Sur on Multiple Drives

MacByte_Repair_

MacByte_Repair_

macrumors newbie
Original poster
Dec 31, 2021
1
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Hello, I have a customers MacPro 5,1. I installed Big Sur via Opencore Legacy Patcher on both drives. However, when they are both plugged in at the same time, only one will boot, the other will give me a prohibitory symbol, or it will just boot the other drive. Any ideas on what could be causing this?
 
MacByte_Repair_ said:
Hello, I have a customers MacPro 5,1. I installed Big Sur via Opencore Legacy Patcher on both drives. However, when they are both plugged in at the same time, only one will boot, the other will give me a prohibitory symbol, or it will just boot the other drive. Any ideas on what could be causing this?
Click to expand...
Why install Big Sur on two drives? You only need one install of OpenCore - make sure you don't have two installed.
 
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