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Dealing with the insomniac Mac

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What to do with the Mac that either won’t go to sleep at all, or keeps waking up and discharging its battery? It’s pmset or Sleep Aid.

June 30, 2022 Macs, Technology

Do M1 Pro and Max CPUs run slower on battery?

Does your M1 Mac run more slowly when it’s on battery power, or with Low Power mode enabled? An exploration of effects on its CPU cores provides an unexpected answer.

December 8, 2021 Macs, Technology

Explainer: System Management Controller (SMC)

On Intel Macs, resetting the SMC was a universal panacea until the T2 came along. What can we do instead with an M1 Mac?

August 28, 2021 Macs, Technology

Why your laptop Mac may not be recharging

Charging policy has changed recently for batteries in Apple’s laptops, and iOS/iPadOS devices. Your battery might also be too warm. How to check and what to do.

January 30, 2021 Macs, Technology

Battery health management in Catalina 10.15.5

Full details of the new battery health management feature in 10.15.5, and how to monitor battery health.

May 29, 2020 Macs, Technology

Apple invents a new procedure to fix MacBook Pro 13-inch 2019 models

Apple recommends an unusual procedure to fix this, which might also work with other models suffering sudden shutdowns.

December 7, 2019 Macs, Technology

MacBook Pro Retina 15-inch Mid 2015 battery recall

Apple has announced a battery recall programme for some MacBook Pro 15-inch models which were sold mainly between […]

June 20, 2019 Macs, Technology

Booting the Mac: macOS 10.14 Mojave, and shutdown

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Stepping through key points in the log as Mojave 10.14 starts up. Most of the key waypoints are similar to those in High Sierra.

October 5, 2018 Macs, Technology

Poor coverage: the battery killer

Patchy mobile signal coverage is a sure way to flatten your iPhone or iPad battery very quickly. There must be a better solution than Airplane mode.

September 2, 2017 General, Macs, Technology

App Nap, Battery Endurance, and Grand Central Dispatch

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Despite its documentation vanishing, it’s clear that GCD does a lot more than provide an easy way to concurrency for app developers.

April 29, 2017 Macs, Technology

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