Why is Kernel_task CPU activity so high?
Activity Monitor says a system process called kernel_task is using a lot of CPU. Is the Mac faulty, or is this normal? Why is Kernel_task so high and what can I do?
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My daily Apple blog for Computerworld
- Is this the future of (low-cost) healthcare? July 23, 2019Zipnostic is running a pilot program in New York that shows how Apple could revolutionize healthcare – all it takes is smarter sensors.First-line response The vision for digital health is one in which smart machines work with data from smart sensors to deliver improvements in diagnosis, enabling patients (and medical professionals) with better information about […]
- iPhone 2020: The rumors so far July 22, 2019Take these with plenty of salt, but silly season has returned and tongues seem to be wagging about what to expect from the 2020 iPhone. Here's some of the more credible claims:Apple to ship a 5G iPhone Apple is expected to introduce support for 5G in the iPhone in 2020.The modem will likely be manufactured […]
- How Apple is improving Siri Shortcuts in iOS, iPadOS July 19, 2019Apple understands that the greatest benefits technology provides can only be realized when technology becomes accessible and easy-to-use. That’s why the company has taken giant steps to improve Siri Shortcuts in iOS 13.Automation for the people Workflow begat an Apple acquisition which itself begat Siri Shortcuts, and while the original solution had passionate adherents, the […]
- How and why Apple users should switch to DuckDuckGo for search July 18, 2019Like liberty for all, privacy demands vigilance, and that’s why Apple users who care about those things are moving to DuckDuckGo for search.Why use DuckDuckGo? Privacy is under attack.It doesn’t take much effort to prove this truth. At time of writing, recent news is full of creeping privacy erosion: We’ve seen video conferencing solutions that […]
- Alexa wins the Apple App Store as voice control takes over July 17, 2019We are all spending more time talking to our computers. This is a changing interaction with machines. Amazon’s meteoric climb up the Apple App Store charts should be all the proof you need that the age of voice is here.Hey Siri, speak to Alexa While most of the tech press involved itself in writing endless […]
- How to take control of Face ID (with tools you may not know exist) July 15, 2019If you travel frequently and use an iPhone or iPad, then you simply must familiarize yourself with these two tips – they’ll make it much easier to secure your device and its contents when you are on the move.In praise of Face ID I’ve become very used to using Face ID. It’s seamless.On the iPhone, […]
- Apple’s AR glasses may be coming sooner than we think July 12, 2019There’s a claim Apple has canned development of AR glasses. This makes no sense to me – I think it means they are coming sooner than we thought.Through an (augmented) glass darkly “Apple has suspended the development of head-mounted display (HMD) AR/VR headsets, and already disbanded its team for the development of AR/VR HMDs,” Digitimes claims […]
- One day you’ll wear your Mac like sunglasses July 10, 2019What happens if your AirPods become your primary connection with all your computing devices, accessed in the cloud?What if you could interact with remote systems using Voice Control? That’s a nice dream, I guess, but the big challenge to developing voice-based user interfaces is authorization. How does a computer know who you are?Nuance just might […]
- How Apple is improving iCloud this year July 9, 2019Apple quite evidently plans many interesting improvements in its iCloud service this year. So, what’s going on?What we know so far about Apple's iCloud plans Apple at WWDC made several announcements that will be reliant on iCloud – these include obvious things like new services and support for new functions, and less evident topics around […]
- How to use your iPad as a second Mac display with Sidecar July 8, 2019We’ve already looked at many of the multitasking features you’ll find in iPadOS, but one of the most useful may be the Mac-compatible Sidecar mode, which lets you use your Apple tablet as a secondary display.What is Sidecar? Available to Mac users who have iPads running the most current edition of the OS, Sidecar enables […]