back to Mojave

maihan

macrumors newbie
Original poster
Feb 10, 2020
1
0
Mac Mini 2018 i5 16GB 256 SSD
Os : Catalina

Case 1:

Mac mini shuts down and never woke up again after trying to boot from an external Mojave HD.
Mac repair changed the motherboard ,no Apple Care ;paid around 400$

Case 2:

I received the Mac mini with Mojave preinstalled .In the process of upgrading to Catalina the Mini shuts down and never starts up again .Again I brought the Mini to " Mac repair " and they changed the motherboard ( that's what they say)for free.

Now I am scared of upgrading to Catalina again and stick with Mojave for the time being...OMG
 

Fishrrman

macrumors P6
Feb 20, 2009
18,205
6,080
OP:

Go back to Mojave if you can.

If you want to "experiment" with Catalina, get a cheap external USB3 SSD and try installing Catalina onto that.
It will leave the internal boot drive (your "main drive") alone.
 

Wolf1701

macrumors member
Sep 16, 2006
76
52
OP:

Go back to Mojave if you can.

If you want to "experiment" with Catalina, get a cheap external USB3 SSD and try installing Catalina onto that.
It will leave the internal boot drive (your "main drive") alone.
sadly this could not be enough... catalina upgrades the firmware
 

Partron22

macrumors 68030
Apr 13, 2011
2,531
734
Yes
catalina upgrades the firmware
Is that an "upgrade" or an "update"
I do wish Apple would put out the files to let us downdate some of this stuff.
It seems that more and more, you try something once, and are stuck with its buggyness forever.
 

Fishrrman

macrumors P6
Feb 20, 2009
18,205
6,080
"sadly this could not be enough... catalina upgrades the firmware"

That's inconsequential.
The Mini (running Mojave) will still do just fine.
 

Wolf1701

macrumors member
Sep 16, 2006
76
52
"sadly this could not be enough... catalina upgrades the firmware"

That's inconsequential.
The Mini (running Mojave) will still do just fine.
uhm, yes and no. My mini works fine (Mojave but tested catalina .1) but I don't have an egpu or a problem where the firmware update seems to cause a problem that requires a mb change.

now, if the OP is scared to fry another mb... I, personally, would advice him to not test catalina at all. Maybe is consequential enough.