R4 not responding after update macOS to Catalina 10.15.5

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  • Last Post 01 June 2020
Hin Leungtsz posted this 01 June 2020

tried to swap the slot and cable,  restart the mac are not working. Promise utility not working (no window pop up)

Hin Leungtsz posted this 01 June 2020

update: I tried to change the cable again and it just work. Dont know what happen.

but the Promise utility still not working.

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