Power with standard macbook block and cable in one port
Yubikey nano in one of the c ports on the computer (though it seems like this one doesn't make a difference) Monitor (BenQ GW2760S 27") with HDMI to usb c adaptor (supports Up To 10Gbps Data Rate & USB 3.1 SuperSpeed) directly to one c port on macbook Just incase this ends up mattering, the other specs (some the only option but for ease of reference):Ģ.9 GHz Quad-Core Intel Core i7 processor My mac friends say something weird, none of them have seen this ever, but what it would be, I don't know.įirst things first, I have a 2017 Macbook Pro 15" running Catalina 10.15.6. Tags APFS Apple AppleScript Apple silicon backup Big Sur Blake bug Catalina Consolation Console diagnosis Disk Utility Doré El Capitan extended attributes Finder firmware Gatekeeper Gérôme HFS+ High Sierra history of painting iCloud Impressionism iOS landscape LockRattler log logs M1 Mac Mac history macOS macOS 10.12 macOS 10.13 macOS 10.14 macOS 10.Issue: My Macbook often shows me a pop up that says: "USB accessories disabled: Unplug the accessory using too much power to re-enable USB devices" and I can't tell if my expectations are too high or something else weird is going on. Updated from the original, which was first published in MacUser volume 28 issue 19, 2012. You can also try zapping the PRAM by holding the Command-Option-P-R keys during startup, until you hear the startup chime again.Ĭomments USB 3 ports should be capable of 4.5 W, and less likely to encounter such problems. With no cables connected to the front USB ports, reconnect the power lead, wait for 10 seconds, and start it up again with the Shift key held down. Shut your Mac down, remove its power lead, and leave it for a full minute. Although external devices that try to draw excessive power should not cause physical damage to the port, the ports on some Mac models such as the Power Mac G5 seem prone to this issue it may be that some Mac Pros can suffer similarly. Have I damaged that USB port?Ī USB ports are more limited in the power that they can deliver than FireWire, for example. The message persisted even after connecting a power supply to the hub, and it remains today, though the hub has long since been disconnected. It only had an iPhone dock connected to it, which did not work.
Q After I had connected a new Belkin USB hub to the front port of my Mac Pro, I saw a warning message that it was drawing too much power.
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