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I was able to get mine running by switching SSDs. It did not like my Xpg gammix SSDs. It kept randomly restarting

I went back to f20, and tried, same issue, I am on f22 right now. I attached my original basic EFI and a screenshot of what it says. This is why I tried someone elses. this one has the AGDPMOD boot arg in it for the rx 6600. No, on the 12th gen, this is a new build that I have been trying to get...

I originally was trying with an RX 580, but swapped to the RX 6600. I tried from the opencore official guide but I never could boot into the installer, it kept coming up with an error about S3, S4, S5. so i tried someones working EFI to see if it were something I was doing with the EFI.

does anyone have an EFI they could post for a Gigabyte Z690 Gaming X DDR 5 Motherboard, i9-13900K, 64GB DDR 5 6400, RX 6600 motherboard? I have been trying for days to get the usb installer to boot, but it keeps halting at MCKernal S. Any help would be greatly appreciated. I attached the EFI I...

I have this board with the i9-13900K, would this EFI work for the 13th gen? I am using an RX 6600 for graphics. I did upgrade the BIOS of the motherboard to F23b. I set all of the settings to like your post with the exception of Resize Bar support; it seems to have disappeared on the F23b BIOS...

Did you ever figure this out?

You need the updated one, I will upload the latest one for 15.5.6 this evening. OK, I updated the EFI folder on the first post, you can re-download it.

I updated my EFI, don't forget to change the serial number and MUI number so that your iMessage works. As for your questions... 1. I have messed with the USB C and from what I discovered is that the way Dells bios handles the USB C on this model makes is where you have to have the usb c device...

Yes... to 10.15.4. Do you need? If so, let me know and I will upload it sunday. (I dont use the 2 5587's that much anymore. I built a couple rysentoshs.

What do you need help with?

Yeah, mine is now up and working great!!! My issue turned out to be a older power supply, it kept rebooting when switching to graphics at load... oddest issue I ever seen, but all is well lol.

No. My battery drains about the same rate in windows or Mac OS Catalina. One thing you can do is boot into windows (if you are dual booting) and download the power management software from Dell and select a different power plan. On the 5587, the power plan with the Dell Power Management...

Yes, it should work as well.

I FINALLY got it working!! Again, thank you for your patience! LOL... Oh man... what an adventure! First, I changed the memory, then the mobo to the Asrock Z390 Pro4, then the video to the RX 570 and STILL rebooted at same spot... Turned out to be the power supply I was using... it is a new 500...

Thank you... I got it working and changed my serial number and uuid, however, I cannot get my imessage to work, are you using imessage? If so, were there any special steps with your mobo other than the usual change serial and uuid to get it to work?

Quick question.... Can you confirm that you have the KF version of the i9-9900 and not the K version? I have been having issues with getting the i9-9900KF hack running with the configuration I had, I ordered the same mobo as you and the same vga card is coming thursday. Can you also confirm that...

Board came in and I tried booting with the efi from a guy who has same board and cpu and it did exact same thing... Gunna order one of the cards off the suggested hardware on here.... so far, looking like you are correct... it is narrowed down to cpu or video.... I ordered this one...

Got the Dell G5-5587 working with Mac OS Catalina 10.15.2 (Should also work on the G5 7577, 7587 & 7588 versions as well). Everything functions except for the Nvidia Graphics since they are no longer supported since High Sierra. I custom made a kext for the USB ports. For internal Wifi, I...

Glad I could be the helper for once and not the helpee lol!

Crap... I forgot you mentioned that... as for RX570's or 580's are there any issues with just running ones you can buy or are there certain models you need? It seems like any of my other builds with B350 chipsets, any 560, 580 I have worked without any issues... BUT, I do not want to part them...