Can USB 3.0 device without its own power be plugged in to USB 2.0 port without blowing it out?
66787
Can USB 2.0 power a USB 3.0 external HDD?
65912
Are any of the USB ports on a Macbook Pro "always on"
120806
USB Charge and data separate cables
91425
Should I unmount a USB drive before unplugging it?
135012
How to disable a USB port in Windows (XP) and make it available only for charging?
13968
How to disable auto power off of usb devices like usb mouse?
36214
How do I create a utility USB?
151905
Powering circuit directly from USB while charging li-ion battery side by side
152407
Does a self-powered USB device have to connect to VCC from the host port?
144871
Re-mounting an un-mounted USB stick
22710
How to safely insert USB stick/device to Linux computer?
45344
How can I enable access to USB devices within VirtualBox guests?
124372
Can a USB 3.0 pen drive be used on a USB 2.0 port?
68228
18V from printer USB port. Is that normal?
137542
Y USB Cable with external 5V supply
3279
Can't boot without Flash Drive plugged in
72043
Automatic switching between external 5V and USB bus power supplies