Reply to thread

Message: <blockquote data-quote="macgig" data-source="post: 1838467" data-attributes="member: 16298">chscag, it worked. main internal Hard drive boots now... I ran disk utility which locked up, soon as it finished the computer rebooted, then another time after a few minutes.... something is still wrong... how do I find out what?  thanks for your help appreciate it! I have tech tool pro 12... some parts of that I cant run its not compatible with APFS... wonder if tech tool caused all of this? <img src="/mac_images/images/smilies/Confused.png"  class="smilie" loading="lazy" alt=":Confused:" title="Confused    :Confused:" data-shortname=":Confused:" />per one article I found, I booted with command opt P R to reset the parameter ram... so far its stopped the rebooting issue...</blockquote>