press and hold the Power button until your Mac shuts down, then press the. The theory that this condition would repeatedly damage logic boards should probably be considered with a healthy dose of skepticism. So: Few things give Mac users that sinking feeling more than the sight of a. USB ports are well protected against over-current conditions - that's why they shut down & generate the warning. If you connect them one at a time until its battery is charged up enough not to ask for extra power, the warning may no longer occur & overall charge times may improve.īTW, it is extremely unlikely that anything will be damaged by this. If it isnt shutting down, hold the power button for at least. I suspect that there is actually nothing wrong with any of your Apple products & that this appears to be happening suddenly because more than one of the peripheral device's battery is discharged enough that each is requesting extra power at the same time. Click the Apple menu and click Shutdown to turn it off completely. When you connect external hardware drives, camera, keyboard, and a hub to your USB A, USB C, and Thunderbolt 3 port which takes too much power from Mac. Powering Apple and third party peripherals through USB for more about this special feature.) This allows for faster charging from Macs that support this feature, but support is also dependent on which device is plugged in first. The device that is plugged into it will be deactivated' all i have plugged in is a logitech mouse, and my charger (both of which are plugged in pretty much all day. Any suggestions?Įach of these devices may request more power from a USB port than the USB specs normally allow. basically i keep getting these annoying messages on my mac about the USB drawing to much power. basically i keep getting these annoying messages on my mac about the USB drawing to much power. We can no longer charge, update or manage these devices through our computer. It could be a RAM issue, logic board issue, OS issue, CPU issue, a heat issue, power rail issue, power button issue, power adaptor issue, and so on. This happens when my wife or I plug in our iPhones, iPods or her iPad.
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