Computer Man

Disconnect from the Internet & set the Date back to 2014, then you can run the Install MacsOS Sierra App in Applications, so expired Certificates are...

This is mainly for archival and unsupported systems. If you get a certificate error or validation go into terminal when booted into the installer and do...

Hold Shift key while the mac is rebooting, then it will boot into safe mode, then install macos update from safe mode.

You need download the “mountain lion” first, When you install mountain lion update, you might find the following is very helpful: The software could not be...

open finder, go to applictions, find the macos installation package, Using secondry click choose “Show Package Contents” open “Contents” folder and then go to “Shared support”...

restart your mac and hold the “option” key after a minutes or two, select “recovery disk” to boot find the “terminal” type command: resetpassword then in...

You can download it from: https://crystalidea.com/macs-fan-control/download I just uploaded some here: For Newer MacOS: macsfancontrol_10.6 For old MacOS: macsfancontrol (1) macsfancontrol For Windows 7, 10, 11...