[doublepost=1518879393][/doublepost]The keyboard seems to freeze gives bleeps as if a key is stuck (it isn't)... Anybody experienced anything like it?
Yes, I had that problem several times yesterday (my second day of iMacPro 18 core use). The issue happened when typing cmd-C and cmd-V to copy/paste files in the Finder, and when typing cmd-delete to trash selected files in the Finder. The behavior felt like a stuck keyboard key. But as you say, the keys were definitely not stuck (I wiggled each key to make sure).
I have also experienced frequent random disconnects of my iMac Pro's bluetooth keyboard, mouse, trackpad.
Several times yesterday, ghosted text artifacts randomly danced across the iMac Pro screen-- which were unrelated to any app I was running at the time.
So I searched these forums and Apple's support forums, and found other iMac Pro owners have also experienced these three problems. Based on forum comments, I made four changes to my system last night, and have not encountered any of those three issues yet today:
(1) I powered off nearby bluetooth peripherals (like the mouse I have connected to my MacBookPro, and my old white bluetooth keyboard on the shelf that I did not realize was still on).
(2) I unpaired/repaired my new iMac Pro keyboard, mouse, trackpad.
(3) I reset parameter RAM.
(4) I booted into Recovery Mode, and ran DiskUtility-- which reported 'crypto_val' errors. I researched that issue and based on forum posts (https://discussions.apple.com/message/32818124): I wiped my SSD, reinstalled macOS 10.13.3, and restored my data and apps from a TimeMachine backup of that machine.
So far, so good today. Fingers crossed that the gremlins are now gone.
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