When I turned on my iMac desktop this morning the fan started running loud instantly and doesn't stop
When I turned on my iMac desktop this morning the fan started running loud instantly and doesn't stop. What can or must I do?
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Open the Activity Monitor and View >> View ALL processes. Look for a process or application using unusually larger amount of CPU in the CPU Tab and then perform the same in Memory Tab.
This will help identify a runaway process or Application.
Does the same issue present when booting into Safe Mode - SHIFT key immediately at restart ??