macOS Catalina - should eGPU Bootcampers update?
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[Solved] macOS Catalina - should eGPU Bootcampers update?  

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Eminent Member
Joined: 2 years ago

If Catalina breaks the bootcamp, can you simply reinstall Mojave to make eGPU work again? Do I have to reinstall Bootcamp Win 10 as well after downgrading from Catalina to Mojave?

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.


Noble Member
Joined: 4 years ago

Catalina can't break bootcamp unless it changes something in the firmware. Downgrading to an earlier macOS won't undo the firmware change.

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case

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