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I bought an active 7-port-USB-Hub to avoid all the cable mess on my desk. The following devices are plugged in:
- Scanner (which is not being used, actually)
- Keyboard
- Mouse
- Android-Phone
When I now plug in a hard disk (passive, 2.5') as Time Machine device, it is not recognized. I wonder why this is the case, because it's an active hub. Do I really need to buy a hard disk with its own power supply?
Another strange thing is, that when I plug the hard disk directly into the MacBook (beside the hub), it does not work either.
Right! Didn't it come with some "Y-cable" like http://www.cooldrives.com/usb-power-cable-mini-b.html or http://www.pccables.com/cgi-bin/orders6.cgi?action=Showitem&id=ID8399287&partno=70650&search=ADAPTER&rsite=&rcode= ? Or do it yourself: http://www.google.com/search?q=do+it+yourself+usb+y-cable
– Arjan – 2009-10-16T11:00:26.813thanks for your suggestion - i borrowed such a cable and will now check and give feedback later. – schneck – 2009-10-16T12:19:15.520