<< Solved >> Asus z390-A won't boot with USB Installer / Shut down / sleep issues

[dmsmith90]

I have 2 questions to get to know your Motherboard (I don't own any Asus MoBo and therefore unfamiliar with its BIOS ) and System SSD which you characterized earlier as

1. Your current BIOS version of Asus Prime Z390-A
2. Have already applied the Latest Firmware on the Samsung 970 Pro NVMe SSD?

Sorry for the delay, long day at work.

1: most current, 1105

2: Yes, I have.

It’s weird, when it does boot properly, everything works just fine (other than those rare times it freezes like my last post.)

Having said that, it’s like 50/50 that it boots any given time. Very odd.

 

[dmsmith90]

Correction: I have 1201.

1105 was what I started with.

 

[cmn699]

Correction: I have 1201.

1105 was what I started with.

Try changing the config.plist_Boot_Args to just the following only:
-v dart=0 slide=0 [Remove all other flags]

 

[dmsmith90]

Try changing the config.plist_Boot_Args to just the following only:
-v dart=0 slide=0 [Remove all other flags]

That seems to have done the trick. It's booting consistently, sleeping/waking up is work. The only that stopped working randomly is my iMessage, but there are plenty of forums I can follow for that it looks like.

Thank you so very much @cmn699. You've been incredibly patient and very helpful.

 

[cmn699]

That seems to have done the trick. It's booting consistently, sleeping/waking up is work. The only that stopped working randomly is my iMessage, but there are plenty of forums I can follow for that it looks like.

Thank you so very much @cmn699. You've been incredibly patient and very helpful.

Glad that issue is solved.
Good luck with iMessage troubleshoot.