Black Screen Catalina Install

[danpardy]

Made changes to EFI, back to kernel panic as before. Not even to Catalina install dialog.

I'll try a different download, overnight...

Mojave - no one has a link to download Mojave directly do they? Every link I've got takes me to App Store, and all my devices have Catalina already - so I can't download Mojave (unless someone knows a way around this?)

I did have the SATA drive connected with a Mavericks backup, but disconnected that now. The SSD was a clan drive, then erased again (AFPS format) with disk utility before install started - completely clean.

Bios was date I changed to to see if the Catalina install issues was date, now returned to current date and time.

Still have a kernel panic

Edit - Mojave is downloading as I type

Ok, so:

1. I downloaded Mojave 10.14.6 (14.6.06 in file info)
2. Used Unibeast 9.3.0 to create install
3. I opened clover config, replaced the EFI with my previous EFI
4. Checked drivers and kexts were correct
5. Tried to install
6. Result - same kernel panic

Then

1. Rebuilt the install USB from scratch again using Unibeast 9.3.0
2. I opened clover config, rebuilt configuration from scratch using suggested settings as before
3. Checked drivers and kexts were correct
4. Tried to install
5. Result - clover boot manager comes up, I click to boot from my install usb - apple logo appears, then progress bar, then machine reboots.
6. Tried a few times, same each time.

 

[Dskvid]

Hi there.

Well you could always copy the EFI folder from your USB Installer drive into your main drive EFI partition. That will take all the USB settings with it.

Otherwise:

To check Ethernet and Audio go to About this Mac / System Report and see if any hardware for either is showing. If so it's just configuration. If not you need the same drivers/kexts as on the USB Installer drive.

Check your config.plist for Audio ID.

Did you use MultiBeast 12.1 ?

Hi thanks for the info. I tried changing the boot time out to zero as mentioned in a earlier post and that seemed to work. When I click on shut down and click off the shut down times it takes about 30 sec before I actually see the so outer starting to shut down but that’s fine.

 

[mhys33]

Sorry for the confusion. Basically I think I have somehow accidentally put an installer or something onto my SSD with Clover (don't ask me how this happened - Which is what has been running and causing my initial issue).

Then I successfully booted from my USB (following the guide), but the USB boot just goes to an apple logo without any loading bar.

Am I making more sense?

and to answer questions, no I haven't tried to install without my GPU

So did you actually get it working or did you find a fix? I'm still on mojave and I had the same problem as you with an i7-3770 and an rx 480. I tried different aptio fixes as well but to no avail.