0
votes
1answer
533 views

Can't a USB hub power keyboard and mouse at same time?

I'm trying to use a Dell mouse and keyboard via a single USB port using the USB splitter hub, but the devices seem to misbehave. Just one of the devices work when I connect both. I figured out it's a ...
1
vote
1answer
118 views

Can Current Backflow from Powered Hub's Adapter & cause PC Damage?

Getting this short: Can current flow from a powered USB hub's power adapter (lying 10 Meter away) back to computer via usb port and cause damage to Computer components like mobo, etc? What should be ...
1
vote
2answers
333 views

Power a USB HUB via USB Male to Male cable by borrowing power from other USB port?

Is it possible to power a USB Hub by plugging into one of the ports in the hub a USB Male to male cable, and the end plugged in another USB port of PC? Will the hub draw power this way?
0
votes
1answer
1k views

Self-powered USB hub and power supply adapter ampere capacity

I am looking for a power supply adapter for my USB Hub so it can support at least 2 bus-powered external hard drives. The hub's rating is 5 volts, 2 amperes. I would like to know if it would be OK ...
5
votes
3answers
2k views

Which power USB hub uses if it has external power supply as well

I have 7 port USB hub with external supply. I tried turning it off by removing external power but then it takes power from motherboard and is still working. I have many external hardrives connected ...
9
votes
7answers
16k views

Can I charge USB devices from a powered hub that isn't connected to a PC?

This will probably sound familiar to most of you... In my home, we have a whole bunch of devices that can be charged via USB (two iPhones, a BlackBerry, an iPod Touch, etc ad nauseam). We also have a ...
5
votes
7answers
64k views

How to “restart/repair” an USB port?

My laptop has two USB ports, but one is broken, so I use a USB hub in the other good USB port. In that USB hub, I use a mouse and keyboard. Suddenly, that USB port doesn't detect the mouse and the ...
2
votes
1answer
1k views

MacBook Air: USB Hub Compatible with the MBA SuperDrive

A little background to those whom may think this Question too specific: The MacBook Air SuperDrive draws 1A vs 500mA of a normal USB device, and therefore you can't use a standard USB hub powered or ...
2
votes
2answers
659 views

2.0 speeds on USB hub?

How capable are USB hubs? I have an AirPort Extreme router with a printer attached (it's not powered by USB). I want to extend this and add two hard drives (one for Time Machine and the other for ...