There might be a correlation if your wireless card has N-mode
capabilities.  The ubuntu forum has directions on how to disbable that
here.
http://ubuntuforums.org/showthread.php?t=2219014


Derek Buchanan

On Tue, Sep 8, 2015 at 12:36 PM,  <[log in to unmask]> wrote:
>   I have a main desktop machine at home, which originally came with Win
> 7 Ultimate.  I partitioned the main hard drive and installed Ubuntu, and
> that's where I read my email.  The machine is about  years old now, and
> thanks to software updates it is now running Windows 10 and Ubuntu
> 14.04.
>
>   Rather than string long Ethernet cables all around my apartment, I use
> a USB wifi adapter to connect to the wifi provided by my DSL router in
> another room.
>   Ubuntu seems to drop and reestablish the connection randomly.  At
> least, it usually reestablishes it eventually.
>   I don't think I've seen Windows drop he connection, ever.  And in
> fact, any time that Ubuntu seems to have trouble reconnecting, all I
> have to do is boot into Windows to get a good connection, which persists
> when I boot back into Ubuntu.
>   My guess is that the Windows driver for the adapter is smarter than
> whatever driver Ubuntu is using; perhaps (a) lying to me about
> intermittent drops? and/or (b) resetting the adapter on boot in ways
> that Ubuntu doesn't.
>   Can anyone suggest ways to improve the reliability of my connection
> while Ubuntu is running?
>
> David Gillett
> CISSP CCNP
>
>                           PCSOFT's List Owners:
>                       Bob Wright<[log in to unmask]>
>                         Mark Rode<[log in to unmask]>

                          PCSOFT's List Owners:
                      Bob Wright<[log in to unmask]>
                        Mark Rode<[log in to unmask]>