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X299 Big Sur Support

Joined
Aug 2, 2012
Messages
147
Motherboard
Gigabyte X299 Designare EX ver1
CPU
i9-9960X
Graphics
Vega 64
Mac
  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Mobile Phone
  1. iOS
1617419260990.png

So, this is what appeared on my EFI after my last boot into Ubuntu.
I did delete ubuntu from my EFI, and the other 2 files from the BOOT.

Trying to boot, my system displays this error message:
Failed to open \EFI\BOOT\grubx64.efi - Not Found
Failed to load image \EFI\BOOT\grubx64.efi - Not Found
start_image() returned Not Found

(of course the files is not there, it was never supposed to be there, and I deleted it!)

Please help!!!
 
Joined
Aug 2, 2012
Messages
147
Motherboard
Gigabyte X299 Designare EX ver1
CPU
i9-9960X
Graphics
Vega 64
Mac
  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Mobile Phone
  1. iOS
Ok, I wiped out my EFI, copied the entire content of same from rescue USB, and updated a few parameters to match what I had before, seemed to be working again.
 
Joined
Jul 15, 2012
Messages
66
Motherboard
Asus WS X299 SAGE/10G
CPU
i9-7980XE
Graphics
AMD Radeon™ RX 6900 XT
Mac
  1. iMac
Mobile Phone
  1. iOS
@djlild7hina

Hi dear,

one question: the Radeon Pro W5700 is natively supported in macOS Big Sur?
Thanks!
 
Joined
Sep 8, 2011
Messages
80
Motherboard
Asus WS X299 SAGE 10G
CPU
i9-7960X
Graphics
WX4100
Mac
  1. Mac Pro
Mobile Phone
  1. iOS
I'm having some issues with Wx4100 too. I'll try another cable mDP.
 
Joined
Apr 18, 2011
Messages
1,116
Motherboard
ASUS WS X299 Sage/10G
CPU
i9-10980XE
Graphics
W5500
Mac
  1. Mac Pro
Mobile Phone
  1. iOS
I'm having some issues with Wx4100 too. I'll try another cable mDP.

Kernel panics? I’m having random green screens (hdmi) or black screens (DP). I’ve tried a few things but hoping it’s ram related. I disabled XMP and it’s been a little more stable but haven’t tested it enough to see if the issue is 100% gone. I started a return process on eBay in the meantime.
 
Joined
Sep 8, 2011
Messages
80
Motherboard
Asus WS X299 SAGE 10G
CPU
i9-7960X
Graphics
WX4100
Mac
  1. Mac Pro
Mobile Phone
  1. iOS
At the moment, some flickering (black screen randomly). Work perfectly in windows... so I think is drivers issues in latest release of macOS BS. (20E5224a)
 
Joined
Apr 18, 2011
Messages
1,116
Motherboard
ASUS WS X299 Sage/10G
CPU
i9-10980XE
Graphics
W5500
Mac
  1. Mac Pro
Mobile Phone
  1. iOS
At the moment, some flickering (black screen randomly). Work perfectly in windows... so I think is drivers issues in latest release of macOS BS. (20E5224a)
Like black screen then freezes? Or it comes backs. Mine hard freezes and have to reboot it.
Yeah I’ve tried several versions of BS and the issue is still there. I haven’t had issues in windows so far but I’m rarely in windows on my hack
 
Joined
Sep 8, 2011
Messages
80
Motherboard
Asus WS X299 SAGE 10G
CPU
i9-7960X
Graphics
WX4100
Mac
  1. Mac Pro
Mobile Phone
  1. iOS
@djlild7hina Changed the cable for a mDP to DP 1.4 and resolved all my issues with WX4100. (Lilu & Whatevergreen)
(waiting to RX6000 support)
 
Joined
Apr 27, 2020
Messages
99
Motherboard
Gigabyte Designare EX X299
CPU
i9-9940X
Graphics
3x GTX 1080ti
I didn't understand what you're looking for
But I have a valid EFI for X299 Asrock Creator
Hope this could helps
Saw in another forum you got radeonBoos to work with your 5700XT, would you mind sharing your EFI?
 
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