USB DEVICES DISABLED
USB Devices Disabled
Unplug the device using too much power to re-enable USB devices
what device you may have to connect the device to a power usb hub if it require too much current
3 replies
Dear Rudegar,
u ports are disabled, regardless what device I'm connecting, I'm using a HP 6500 officejet Printer, External hard disk, and Flash memory sometimes. But the printer doesn't work at all sometimes, and that message always showing in the to right corner of my IMa, saying that (USB disabled)
Reset the SMC and NVRAM as per the following links.
Resetting the System Management Controller (SMC) on your Mac - Apple Suppor
USB DEVICES DISABLED