View single post by Robert
 Posted: Wed Oct 23rd, 2019 15:55
Robert



Joined: Mon Apr 2nd, 2012
Location: South Lakeland, UK
Posts: 4066
Status: 
Offline
Done that.

Worked (hard) for about ten hours then froze again. Refuses to restart properly, restarts, then 30 sec's later freezes again, thereafter it only goes through 50% of startup progress bar., then stops with a grey screen, no further action. 

Hence my strip down.

This is the Apple Tech faultfinder manual, second post.

https://forums.macrumors.com/threads/mac-pro-5-1-no-boot-up-black-screen.2124447/



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Robert.