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Catalina 10.15.2 update won't install

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This is what I get. "The installation failed."

I downloaded the Combo Update and the regular update. Any help will be appreciated.

One thing, I boot into Clover from a SATA SSD, Since my MB does not boot NVME. SuperMicro X9DRi


Model Name: iMac

Model Identifier: iMac16,2

Processor Name: 10-Core Intel Xeon E5

Processor Speed: 2.8 GHz

Number of Processors: 2

Total Number of Cores: 20

L2 Cache (per Core): 256 KB

L3 Cache (per Processor): 25 MB

Hyper-Threading Technology: Enabled

Memory: 64 GB

Boot ROM Version:

Apple ROM Info: Apple ROM Version.

BIOS ID:IM162.88Z.F000.B00.1910301924

EFI Version:

Board-ID : Mac-FFE5EF870D7BA81A

⌘ Powered by Clover v2.5k 5100

SMC Version (system): 2.32f21

Serial Number (system): x

Hardware UUID: C03B72B7-BE01-548E-BCC9-FB800221

NVME Force MP510:

Capacity: 960.2 GB (960,197,124,096 bytes)

TRIM Support: Yes

Model: Force MP510

Revision: ECFM22.5

Serial Number: 194882380001288848D9

Link Width: x4

Link Speed: 8.0 GT/s

Detachable Drive: No

BSD Name: disk0

Partition Map Type: GPT (GUID Partition Table)

Removable Media: No

S.M.A.R.T. status: Verified



Capacity: 209.7 MB (209,715,200 bytes)

File System: MS-DOS FAT32

BSD Name: disk0s1

Content: EFI

Volume UUID: 0E239BC6-F960-3107-89CF-1C97F78BB46B


Capacity: 959.85 GB (959,853,150,208 bytes)

BSD Name: disk0s2

Content: Apple_APFS

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[ref]norcimo[/ref], u need check if ur mobo with bios/uefi version have support for boot from nvme

about update, if don't work use a fresh install

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Thank you for your response.

I'm not booting UEFI. The motherboard does not have UEFI NVME capability. However I can boot UEFI from sata and sata legacy.

As to the answer to your question about fresh install, it is a fresh install from the instructions provided on the site. (very good by the way).

I have tried UEFI sata boot, same results. Everything works... however the update does not.

Added in 30 minutes 3 seconds:

I was successful!

This is what I had to do. 1. NVME drive is an image from the original SSD drive, I used to set a new fresh install. 2. NVME drive was formatted HFS, the update demands . APFS, so I used the installer to convert the NVME from HSF to APFS according to APPLE support. , still I was getting an error update would not install. 3. I booted the SSD. (slower ofcourse). I ran the Update again, but I told to apply the update to the NVME drive instead of the SSD. for some reason, it was able to apply the update. Success!, I shut down, removed the SSD, connected the Clover boot drive "sata", booted, it see's the nvme APFS (as before), booted! I went though setting up Siri and other items, and DONE!.

It seems, that in this system , the update won't install on the same drive it currently booted from...weird. In all the same SMBIOS was used.

Its done, however, its still not suppose to work this way. I tell you this, the update took 5 minutes!

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