• Become a Premium Member for $25/year with no ads to improve your community experience. Upgrade to Pro Account for faster response and no wait times!

no video output after loading

fredherbert

New member
Joined
Jun 22, 2025
Messages
3
Motherboard
A520M-A PRO
CPU
Ryzen 5 5600
Graphics
RX 6600
OS X/macOS
15.x
Bootloader
  1. OpenCore (UEFI)
Mac
  1. iMac Pro
Mobile Phone
  1. iOS
ive recently installed sequioa succesfully but i switched my gpu from gtx 1650 to rx 6600 to make it faster but i got this new error in which i try to boot in my macos it loads up as usual but goes black and then no signal, in debug txt i get nothing, but in recovery it boots, i tried fixing it with this but no help
a520m-a pro
ryzen 5600
rx 6600
my monitor is a aoc c27g4zxe i displayed with displayport and switched to hdmi thinking it will ix it but no, im currently on hdmi

it doesnt let me upload a video or my EFI as its too big it said
 

i used dropbox it coudlnt let me upload it to the website its big it said
 
fixed it i remade my EFI and changed with macpro 7,1 and works fine as wine, no audio though
my boot args was: -v keepsyms=1 debug=0x100 alcid=1 agdpmod=pikera unfairgva=1
 
ive recently installed sequioa succesfully but i switched my gpu from gtx 1650 to rx 6600 to make it faster but i got this new error in which i try to boot in my macos it loads up as usual but goes black and then no signal, in debug txt i get nothing, but in recovery it boots, i tried fixing it with this but no help
a520m-a pro
ryzen 5600
rx 6600
my monitor is a aoc c27g4zxe i displayed with displayport and switched to hdmi thinking it will ix it but no, im currently on hdmi

it doesnt let me upload a video or my EFI as its too big it said
Use agdpmod=pikera in boot arg.
 
fixed it i remade my EFI and changed with macpro 7,1 and works fine as wine, no audio though
my boot args was: -v keepsyms=1 debug=0x100 alcid=1 agdpmod=pikera unfairgva=1
Ryzen systems have the Audio problems. Make sure you use the latest kexts and bootloader. Some systems may require IRQ fix.
 

Latest posts

Forum statistics

Threads
2,084
Messages
19,451
Members
29,550
Latest member
Snowson