Eric House wrote:
> I have a Dell laptop running Ubuntu and a Virgin Mobile "MiFi"
> cellular wifi hotspot. The MiFi is great but for one bug: when you
> plug its USB cable into the laptop to charge it stops being a hotspot,
> so you have to carry a separate USB wallwart to charge it.
>
> I'm pretty sure this is unnecessary -- that if I could get my laptop
> to pretend to be a mere USB wallwart I could prevent the loss of wifi.
> Googling on the subject turns up instructions for fixing this by
> disabling USB Mass Storage mode on windows thus:
>
> # KB823732 explains how you can disable USB device support by changing
> # the Start value of
> # HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor to 4
>
> The closest I could think to try on GNU/Linux was to prevent the
> usb_storage module from loading, but this didn't work. The MiFi still
> shuts down, meaning it's been signalled in some way by the laptop.
>
> Can anybody suggest how to do this, or where to read or ask for
> further information? I'm happy to hack the drivers if that's what
> it's going to take. It's apparently possible to fix this by removing
> the two inner contacts from a USB cable end, but I don't want to carry
> a second cable either -- if I can avoid it.
>
> Thanks,
>
> --Eric
>
Eric House
Googling on
linux disable mass storage
At
<http://www.linuxquestions.org/questions/linux-newbie-8/how-to-disable-usb-mass-storage-device-usb-drive-in-linux-651262/>
it says ...
"In linux it's even more easily done, by unloading the usb_storage module:
modprobe -r usb_storage
from the command line"
... then it goes on about how to do that permanently, if that is of any
interest.
Does that help?
Regards
Fred James
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