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Joined
Nov 8, 2014
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74
Motherboard
HP Z620
CPU
E2680
Graphics
RX 5700 XT
Mac
  1. Mac Pro
Hi

i have created a working EFI directory for the above mentioned laptop.

You can download it here.

non-working items:
External nvidia display port.
SD card reader.

working:
Everything else.
 
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Joined
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i have all do with 10.15.5 but i down't see an install in clover when it boots.
 
Joined
Nov 8, 2014
Messages
74
Motherboard
HP Z620
CPU
E2680
Graphics
RX 5700 XT
Mac
  1. Mac Pro
Check your bios settings with the guide linked in post #1
 
Joined
Jun 27, 2011
Messages
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Motherboard
Gigabyte
CPU
i5-3570
Graphics
GT 240
Thanks dv4vinder! Your EFI helped me get Catalina installed on my zbook. Are you using a bluetooth card? My Broadcom 4352 card doesn't seem to be working in Catalina. Worked fine in High Sierra.
 
Joined
Nov 8, 2014
Messages
74
Motherboard
HP Z620
CPU
E2680
Graphics
RX 5700 XT
Mac
  1. Mac Pro
Thanks dv4vinder! Your EFI helped me get Catalina installed on my zbook. Are you using a bluetooth card? My Broadcom 4352 card doesn't seem to be working in Catalina. Worked fine in High Sierra.

I am using an Atheros Card. The patch was provided in the GitHub Repo. Not sure about your BT or Wi-Fi unfortunately. Have a play with some Broadcom kexts in the others folder.
 
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