My iMac 2009, OS X El Capitan suddenly shuts down while I was having my online class, and it suddenly regains power after a few seconds. What was the cause of this sudden shutdown. Besides from the sudden shutdown that had happened, my iMac had 2 occurrences were it laged as I had my online lecture. What could possibly be the problem ?
Tough to tell, did it do a whole restart or what?
On the lagging...
EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info.
Pastebin is a good place to paste the whole report if you capture the URL while there…
Whew, they've changed pastebin & made it harder, but after pasting in, click Create new paste button, then Embed button, then copy the URL...
<script src="https://pastebin.com/embed_js/KuvnghqA"></script>
The important part is...
https://pastebin.com/embed_js/KuvnghqA
Workable but harder for me to work with...the Note tool on the bottom of this editor's toolbar, as shown in the image, to copy and paste the output from EtreCheck. In a Reply before you click post, look for this to add longer texts...
Question: Sudden Shutdown of iMac 2009
