Mojave slow to reboot and boot

[kagharaht]

The new update today does not address the 2 min or more cold boot issue. Only if you are using an external SSD Boot Drive. It's now questionable that Apple will try and fix this anytime soon.

 

[XGO7]

The new update today does not address the 2 min or more cold boot issue. Only if you are using an external SSD Boot Drive. It's now questionable that Apple will try and fix this anytime soon.

I wouldn’t count on it. That’s why I took matters into my own hands, bought the ifixit kit for $20 and installed the SSD internally. It’s much easier than people make it out to be. I did it in about 20-30 minutes and now it’s even faster than it was running it in my enclosure. I’m not at all that tech savvy, so if I can do it, anyone can.

 

[Brian Y]

Does anyone else who boots internally notice this?

I have 3 external drives connected (and a thunderbolt GPU) - but booting from my internal is still dog slow. Almost like it's taking ages searching the externals for operating systems.

 

[Del Rei]

Hey... I'm "glad" I found this thread.
I have a Late 2013 iMac 21,5"....

I had the 2 or 3 min black screen "freezing" on boot after installed Mojave. At first I thought it was really frozen and restarted in the button. After that 2 or 3 min the apple logo appears and it seems to run in normal speed from that.

I ran the SO in a external Samsung T5 1GB SSD.

That black screen is really bad....

 

[Del Rei]

Hey guys.
Found this in another forum, but I'm at work now. Can't try.

Anyone tried?
https://www.paragon-software.com/home/apfs-hfs-converter/

 

[XGO7]

Hey... I'm "glad" I found this thread.
I have a Late 2013 iMac 21,5"....

I had the 2 or 3 min black screen "freezing" on boot after installed Mojave. At first I thought it was really frozen and restarted in the button. After that 2 or 3 min the apple logo appears and it seems to run in normal speed from that.

I ran the SO in a external Samsung T5 1GB SSD.

I have your exact same set up, 2013 iMac, external Samsung SSD. I installed it Internally and it fixed everything. Its not that hard and my computer is even faster than it was before Mojave. Its a bummer we're forced into this solution, but thats how it goals with Apple sometimes.