kernel_task at 103%!!
Overheating on MacBook Pro’s is a rare problem, usually down to nothing more than new users mistakenly thinking the aluminium casing is supposed to feel cool to the touch. However, you know something’s wrong when the glass touchpad feels warm and the fan’s not even stirring…
When Finder and other apps start crashing, what might have been a small concern now starts to look like a real problem. You can try re-booting, but if you find that the reboot takes ten minutes or so and/or the keyboard doesn’t function at the login window, chances are your kernel_task process is running wild. If you’ve still got access to the desktop, you can check this in Activity Monitor, or use Terminal by typing:
Normally, kernel_task won’t take up much more than one or two percent of CPU activity, so if you’re running at over 100% or you can’t get past the login window, its time to do a PRAM/VRAM reset.
1. Power down the machine.
2. Locate the following keys on your keyboard in preparation for Step 4:
‘command’ – ‘option’ – ‘P’ – ‘R’
3. Press the ‘power on’ button.
4. Immediately – and before the grey screen appears – hold down ‘command-option-P-R’ all together.
5. Keep them held down until you’ve heard the start-up chime twice. After you release them you should hear it again, and hopefully your Mac will boot up as it should and with the kernel_task process back to normal.
Tooltip: download and run smcFanControl in your ‘Login items’ to keep an eye on your temps and fan speed in the Menubar. 😉
Have you still got this problem, or found another solution? Let us know in the Comments! 🙂
Why is my mac running so hot?
Why is my mac running so slow?
Resetting the System Management Controller (SMC)
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how to unfreeze your iPad
iPads are so easy to use, why bother with the manual? 😉 The chances are though, that at some point you’re either going to find that an app freezes on your screen or your whole tablet becomes unresponsive. Don’t panic, the answer’s simple:
First, be sure that it’s connected to a power source. The most common reason for iPads not working is people don’t realise they’re out of battery! Otherwise try these:
If it’s just a particular App that’s frozen on your screen:
— Hold down the ‘sleep/wake’ button (top right, back edge) for about 5 seconds until the slider appears. Release the ‘sleep/wake’ button. Now hold down the ‘Home’ button (bottom front, centre) until you see your Home screen.
If your whole machine is unresponsive, then do a restart:
— Hold down the ‘sleep/wake’ button for about 5 seconds until the slider appears. Slide it to ‘Off’. Then hold it down again until the Apple logo appears showing that the iPad is restarting.
If that doesn’t work, do a hard reset:
— Hold down the ‘sleep/wake’ button AND the ‘Home’ button simultaneously for about 10 seconds or until the Apple logo appears.
*For more serious problems with your iPad, such as continual restarting or no home screen, have a look here.
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