Hard drive not mounting

[Reindl Harald]

Am 19.07.2012 22:08, schrieb Richard Vickery:
> On Thu, Jul 19, 2012 at 7:39 AM, Mikkel L. Ellertson <mellertson at gmail.com <mailto:mellertson at gmail.com>> wrote:
> 
> 
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>     On 07/08/2012 11:27 AM, antonio montagnani wrote:
>     >>
>     > same usb stick is mounted properly if conencted to the other USB
>     > ports of same computer (but not on the hub)
>     >
>     Dumb question - does the hub have its own power supply, or is it
>     powered by the USB connection?
> 
>     Mikkel
> 
> 
> Devices connect to the USB hub get their power from the USB port

and if the hub does not supply enough power it won't work
many usb-hubs have only enough power for devices like keyboard and mouse

there are even usb disks out there which needs TWO usb-connections
one for data and one for power


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