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Apple Computing Products:
macOS - Operating System
OSX Yosemite: Computer display usb ports go to sleep.when display does
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<blockquote data-quote="chas_m" data-source="post: 1666965"><p>I don't think this has anything (or much) to do with the Mac, and everything to do with the monitor. The reason I think this is because my iPhone charger continues to power through the USB port when the Mac's display is sleeping.</p><p></p><p>This sounds to me like a power-saving move by the monitor manufacturer -- after all, if the display isn't on, it stands to reason the user isn't using it and thus power to the USB ports (et al) can be cut. There might be a preference in the monitor's prefs to alter this, but I suspect the real answer is to either replace the monitor or buy a USB hub and rely on that for continuous power needs. The monitor appears to be good for USB connections that are only required with the display is actively being used.</p></blockquote><p></p>
[QUOTE="chas_m, post: 1666965"] I don't think this has anything (or much) to do with the Mac, and everything to do with the monitor. The reason I think this is because my iPhone charger continues to power through the USB port when the Mac's display is sleeping. This sounds to me like a power-saving move by the monitor manufacturer -- after all, if the display isn't on, it stands to reason the user isn't using it and thus power to the USB ports (et al) can be cut. There might be a preference in the monitor's prefs to alter this, but I suspect the real answer is to either replace the monitor or buy a USB hub and rely on that for continuous power needs. The monitor appears to be good for USB connections that are only required with the display is actively being used. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
OSX Yosemite: Computer display usb ports go to sleep.when display does
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