8/13/2023 0 Comments Mac restart usb ports![]() Resetting SMC requires your MacBook Pro to completely cut off from any power supply. Resetting SMC and NVRAM (PRAM) is simple. This resolves many MacBook issues (including malfunctioning USB ports) within a few minutes. Resetting NVRAM restores these settings back to default. NVRAM (or PRAM in old MacBook) stores the system settings such as date, time, screen resolution, etc. ■ Reset Non-Volatile Random Access Memory (NVRAM) or Parameter Random Access Memory (PRAM) Resetting SMC puts the configuration of all such components to their factory defaults, thus making the non-functioning/unresponsive USB ports work properly. SMC is a chip inside your MacBook Pro that manages the components that require power to function. ■ Reset System Management Controller (SMC) There are two ways you can fix all the problematic USB ports in a single go: ![]() Head to the Settings app > Battery > Battery Health > and toggle off Optimized Battery Charging.If the USB ports of your MacBook Pro keep malfunctioning, and you’ve already checked and confirmed that the USB device(s) you’re trying to connect are not the culprit, you may need to do something about the USB ports. But it is possible to turn off the feature. If you notice your iPhone stops charging at 80%, that’s actually a feature called optimized battery charging that helps reduce battery aging. If your iPhone still isn’t charging or responding to the force restart, head to an Apple Store, Apple Authorized Service Provider, or get in touch with Apple Support. iPhone 6s or earlier and iPhone SE (1st gen): Press and hold both the side (or top) button and the Home button until you see the Apple logo.iPhone 7 and iPhone 7 Plus: Press and hold both the side (or top) button and the volume down button until you see the Apple logo.Press and hold the side button until you see the Apple logo. Press and quickly release the volume down button. iPhone 8 or later and iPhone SE 2/3: Press and quickly release the volume up button.Force restart your iPhone then plug it in for 30 minutes.See if your iPhone charges with a wireless charger.If you’re not comfortable cleaning out the charging port, take your iPhone to an Apple Store, Apple Authorized Service Provider, or get in touch with Apple Support.be careful removing it as the charging pins can be damaged – gently using a plastic dental pick can be effective – the charging pins are located on the bottom side of the Lightning port Use a magnifying glass or another iPhone camera if you need help seeing inside the port.Check the Lightning port for build-up or debris.If it’s still not charging, try a second cable/power adapter if you have one and/or a different outlet.Apple says you may need to leave it plugged in for 30 minutes, but you’ll normally see if it’s charging within 5-10 minutes of being plugged in.Try charging with the reverse side of the Lightning cable that you normally use with a power adapter plugged into a wall outlet you’re certain is working.32º to 95º F is the ambient temperature range suited for iPhone, let it cool down or warm up if it’s too hot or cold.Make sure your iPhone isn’t overheated or too cold.If you use a less powerful one it will charge more slowly. ![]() The 20W power adapter sold separately (or from third parties) fast charges iPhone. Note: Modern iPhones do not come with a power brick in the box. And if you have an iPhone 8 or later you can also charge wirelessly.īelow we’ll cover the most common issues that can keep your iPhone from charging as designed. IPhones use a Lightning cable to charge which is reversible so you can use either side of the cable. We’ll also look at what to do if your iPhone stops charging at 80%. IPhone not charging or charging slowly? Whether you’re having issues with a particular charging cable, multiple cables/chargers, or intermittent trouble, read on for 6 solutions to fix an iPhone that won’t power up normally.
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