How to disconnect "undefined" device?

andy selby andyfrommk at
Mon Aug 6 20:52:24 CEST 2007

> How can I disconnect the "undefined" device, so I can successfully flash the
> Neo?

Try physically disconnecting whatever the device is, also do you have
any internal devices connected to an internal usb socket?.
>Found Runtime: [0x1457:0x5119] devnum=15, cfg=0, intf=2, alt=0, name="USB
>Device Firmware Upgrade"
If that does'nt work try dfu-util --device 0x1457:0x5119 to tell dfu
what device to use

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