Mac Pro 4.1 Dual CPU Tray Upgrade

Joined
Aug 28, 2017
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Location
Wales, UK
Your Mac's Specs
iMac 27" 32GB i7 3TB & 1TB NVME OSX 13,5,1 late 2013
hi guys i have a mac pro 4.1

I've just replaced the CPU tray from a single CPU to a dual CPU

but i get no boot chime or nothing now and the fans are all running silent


sometimes they do run fast but and SMC reset solves that


any ideas whats going on ?


thanks
 

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