USB- hub stopped working after upgrading to OSX Mountain lion

I have a macbook pro 13 inch, year 2011.
On my desk, I attach it to a thunderbolt display. To those USB-ports, I attached the belkin desktop USB hub (model F4U017) with 7 USB ports.
All worked fine and without a glitch untill I upgraded to OSX Moutain Lion.
Suddenly it won't connect annything I plug into it.
All the cables of the hubb still work fine, those have been tested.
When I tested the hub with a very old iMac (i think still with leopard it), it worked again.
To be sure, I also tested a 4-port hub without external power supply on moutain lion. That one still works fine.
How come my 7-port hub won't work any longer? How can I make it work?

Not sure.  Might be an issue with the USB drivers in mountain lion.
I've had an issue with a couple hubs not working after plugging back into my macbook pro while it's on.
Fixed by restarting my computer, but that's super annoying and takes me back to my Win 95 days.  Never saw this issue before I upgraded to mountain lion.

Similar Messages

  • USB-hub stopped working after upgrading

    I have a macbook pro 13 inch, year 2011.
    On my desk, I attach it to a thunderbolt display. To those USB-ports, I attached the belkin desktop USB hub (model F4U017) with 7 USB ports.
    All worked fine and without a glitch untill I upgraded to OSX Moutain Lion.
    Suddenly it won't connect annything I plug into it.
    All the cables of the hubb still work fine, those have been tested.
    When I tested the hub with a very old iMac (i think still with leopard it), it worked again.
    To be sure, I also tested a 4-port hub without external power supply on moutain lion. That one still works fine.
    How come my 7-port hub won't work any longer? How can I make it work?

    Not sure.  Might be an issue with the USB drivers in mountain lion.
    I've had an issue with a couple hubs not working after plugging back into my macbook pro while it's on.
    Fixed by restarting my computer, but that's super annoying and takes me back to my Win 95 days.  Never saw this issue before I upgraded to mountain lion.

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