Step 4: Press the Power button and the Shift + Control + Option combination keys together on the built-in keyboard.
Step 3: Connect Mac to a power source through the MagSafe power adapter. MacBook’s fan isn’t operating properly.īefore you proceed to kick start the troubleshooting steps below, make sure you have close all the unnecessary apps and restart your macOS.Solution 8: Re-install Zoom app Potential Causes Solution 5: Start macOS in safe mode to diagnose Solution 4: Reset NVRAM (non-volatile random-access memory) Solution 3: Reset SMC (System Management Controller)
Solution 2: Scan MacBook using antivirus software The problem happens if MacBook’s CPU is overtaxed and unable to get back under control.įollow the below solution steps to resolve the kernel_task problem and get MacBook back to normal. The main function of the kernel_task is to return the MacBook processor’s temperature to a normal range but it is a very resource-intensive operation. This article outlines the detail steps to fix MacBook lag and slow even after closing all the running apps, which mostly causing by kernel_task process automatically activated when startup the operates in the background by default.
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