flashed 7950Understandable with the card you possess. That is non-flashed.
You should place the kext on your machine directly. IMO loading kexts through open core leaves a problem if your EFI partition gets corrupted. Just saying....
flashed 7950Understandable with the card you possess. That is non-flashed.
You should place the kext on your machine directly. IMO loading kexts through open core leaves a problem if your EFI partition gets corrupted. Just saying....
Here without AppleALCDid you check the sound preference to make sure HDMI is selected?
I'm going to attempt this and I'll get back to you...Sorry, I wasn’t clear. My Catalina install / OC is on an NVMe drive. I’m trying to boot a clone of Catalina from a USB hard drive, using OC’s boot picker, but it’s not working. i Just wondered if during your experiments with the boot picker you had tried booting the OS over USB.
I just thought about my flashed 7970. You are correct. I forgot that I had to do the same. It's been a few years....Still I say keep all kexts on the system as we are all so used to doing. It's safer.Here without AppleALC
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I have not flashed R9 280X I'll check it sometime laterI just thought about my flashed 7970. You are correct. I forgot that I had to do the same. It's been a few years....Still I say keep all kexts on the system as we are all so used to doing. It's safer.
Update: After waiting so long for the installation to complete I have a winner. My USB installed and is running macOS Catalina USB as formatted. I can see it in bootlicker and I can launch successfully. It just took so long to complete the process. How can I help you now?I'm going to attempt this and I'll get back to you...
Yeah, it bootsI'm going to attempt this and I'll get back to you...
Update: After waiting so long for the installation to complete I have a winner. My USB installed and is running macOS Catalina USB as formatted. I can see it in bootlicker and I can launch successfully. It just took so long to complete the process. How can I help you now?
Many thanks nobullone. So you installed Catalina to your external hard drive, and it boots straight up from OC's boot picker? My setup is a little different. I didn't install Catalina to my USB drive, I cloned my existing NVMe install across to it using Carbon Copy Cloner. The USB drive with Catalina is seen in the OC boot picker, but immediately fails when I try booting from it (returning to the boot picker after a few seconds). Not sure what the problem could be.
Hey. I could only assume that there is something wrong with the clone image. Try it on another USB drive. If you are able to boot an installation through open core and that install drive shows in bootpicker then an operating system should boot, also. I spent a lot of time doing this for you so show me your work. LOL!Many thanks nobullone. So you installed Catalina to your external hard drive, and it boots straight up from OC's boot picker? My setup is a little different. I didn't install Catalina to my USB drive, I cloned my existing NVMe install across to it using Carbon Copy Cloner. The USB drive with Catalina is seen in the OC boot picker, but immediately fails when I try booting from it (returning to the boot picker after a few seconds). Not sure what the problem could be.
If you cloned it from the NVMe, do you now have two installs of OC in EFI on USB and NVMe? Can't be good.
Hey. I could only assume that there is something wrong with the clone image. Try it on another USB drive. If you are able to boot an installation through open core and that install drive shows in bootpicker then an operating system should boot, also. I spent a lot of time doing this for you so show me your work. LOL!
Do just an APFS singulary for now.I’ll try reformatting the drive and cloning again. It’s a mix of APFS and HFS+ partitions at the moment. I’ll report back!
Do just an APFS singulary for now.
Instead of cloning try a straight installation. USB drives are tricky. You'll never know it's bad until you try and make it an installer or opsys. Some just won't boot. My installation took about 2 hours on a non-powered 128GB USB drive. I'm glad my first shot went in. Otherwise, I would be tackling this until I won or conceded. Has anyone else mentioned this problem? I figured it was the multiple bootable EFIs confusing the boot loader.Update: cloning macOS with SuperDuper! rather than CCC made it bootable off USB... to a point. It loads slowly, as you would expect off USB 2, then when the progress bar gets to the end only one of my three screens lights up (the one using DVI) and it slows a garbled picture. The mouse cursor moves, but that's as far as it goes. Does anyone have any idea why this might be?
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Have you gone back to 0.5.9 to be sure it still works?Since updating to OpenCore 0.60 from 0.59 I have had two problems.
(1) I have been unable to boot into Big Sur (beta 3) from the OpenCanopy boot/ picker and
(2) I have been unable to spoof to iMacPro 1,1 (using code at post 7) to be able to update to beta 4.
It just shows as my cMP 5,1.
I followed post 1 rigorously. I even tried starting from scratch with a completely new install of Opencore 0.60
It's not that I haven't done these things with previous versions of either OpenCore or 'spoofing' iMacPro 1,1 for Big Sur installations or update of betas
I upgraded from OpenCore O.57 to 0.58 to 0.59. (and now 0.60)
I also spoofed iMacPro 1,1 to install Big Sur beta 1, then again spoofed to iMacPro 1,1 for an OTA upgrade to beta 2 and again to beta 3.
I tried not spoofing and just set VMM on as per post 3459 (when I had a working 0.59) - said I was up to date.
Is there there other something else I can try?
Instead of cloning try a straight installation. USB drives are tricky. You'll never know it's bad until you try and make it an installer or opsys. Some just won't boot. My installation took about 2 hours on a non-powered 128GB USB drive. I'm glad my first shot went in. Otherwise, I would be tackling this until I won or conceded. Has anyone else mentioned this problem? I figured it was the multiple bootable EFIs confusing the boot loader.
You're showing your work...The thing is, this is primarily a backup of my system drive - the ability to boot from it is more of a bonus, that could could be useful should I need to boot this or another machine from an external drive. I've already got 3.5" SATA HDD with a stock install of Mojave on it that I can use if necessary.
Just to be clear - my USB drive is a 2.5" HDD in a USB 3 enclosure, not a thumb drive. Also, there shouldn't be multiple EFIs. To check, I mounted the EFI volume of my external HDD and there was nothing in it, whether the clone was done by CCC or SD.
I've wiped the drive so there's a single volume (no partitions) and am currently cloning my system drive across. We'll see if that makes it bootable.
Yes - 0.59 works fine (kept a copy of the whole EFI). Just staying with it at present ...Have you gone back to 0.5.9 to be sure it still works?