How to Fix iMessage

[kajaba]

Omg I figured it out.
I have intel cnvi wifi and used itlwm utility. But not itlwm.kext but Airport Itlwm.kext wit limited functionality.

 

[t80u]

Hi! Just to say thanks for this guide, I can confirm that the method described on Chapter 8 is still valid. I've installed High Sierra on a PC and got the "contact support" message, I did it and gave the customer code to the advisor and it solved the issue