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Installer shows up at boot up disk

Hi

yesterday after I restarted my Macbook Pro, the computer wanted to install a new OS. I never asked to install it or installed any updates in the past. It was restarting just fine. So when the installer runs I get the message can not find resources for the installer. Running High Sierra 10.13.3.

so what I had to do is to restart the computer while holding the option key and select the MacHD drive to use as start up disk and the computer starts up ok. I tried to see if the Installer disk shows up in disk utility and under start up disk in system preferences , to see if i can remove it. but it does not show up. So how can i remove the installer as boot disk, as said never installed anything new in a long time. I do not want to run the update just in case the computer uses the installer again to run the update on.

MacBook Pro

Posted on Jun 13, 2019 7:14 AM

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Question marked as Top-ranking reply

Posted on Jun 13, 2019 8:25 AM

Look in Applications & Applications>Installers.


Have you done a PRAM reset, CMD+Option+p+r...


http://support.apple.com/kb/HT1379


In fact, do 3 in a row, takes a bit of time


In Sys Prefs set Startup Disk.


1 reply

Installer shows up at boot up disk

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