4.1 upgrading

EDIT: SOLVED Turned out to be the CPU B Tray not enough tightened Help Partial Success upgrading dual 4.1 with stocks CPU to 3.46ghz ones... ALL GOOD With the processors... delided by myself with the vice method, no problems! Installed both, and after the startup with side cover removed i...

Hey Guys, i got lately a used MB 4,1 for Free and want to get more into MacOS and the complete Apple Universe. I´ve already got a iPhone XR and a iPad Air (1st gen) and thought it would be a great idea. In Windows Computers and Notebooks i have a quite good Knowledge but in Mac´s im a bloody...

Hey guys, Recently I overhauled my Mac Pro 4,1. I flashed it to 5,1 and upgraded the CPU to 2 x Xeon X5690's, which I successfully delidded myself *proud*. I also upgraded the RAM to 32GB 1333MHz and OSX is running from a Samsung EVO 850 @ 500GB. When I wanted to encrypt the drive, using...

Hello, I'm in the process of upgrading my Mac Pro 2009 4.1 to 5.1 with new CPUs and whatnot. I am also intending to upgrade to faster RAM (1333 Mhz) but there is something I am not sure about. According to Apple specs, RAM for MAC Pro 2009 should be ECC UDIMM (unregistered). However when I look...

After a great experience upgrading a single CPU 4.1 to 5.1 six core 3.33, I now have the opportunity to upgrade a dual CPU 4.1. Firstly, it's only because of this forum and the helpful information available here. Very little is out there on the subject of "Delidding". So, I am going to document...