Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

"Monitors cannot be used bcz a required extension, System Monitor Plugins, is disabled or not installed. Make sure System Monitor Plugins is in the Extensions folder in the System folder then restart your computer" Anyone have experience with this issue?

"Monitors cannot be used bcz a required extension, System Monitor Plugins, is disabled or not installed. Make sure System Monitor Plugins is in the Extensions folder in the System folder then restart your computer" Anyone have experience with this issue?

iMac, Mac OS 9.2.x

Posted on Feb 26, 2015 9:39 AM

Reply

There are no replies.

"Monitors cannot be used bcz a required extension, System Monitor Plugins, is disabled or not installed. Make sure System Monitor Plugins is in the Extensions folder in the System folder then restart your computer" Anyone have experience with this issue?

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple ID.