My guess is you have a "green" PC and your PC is not set to performance. If
so your PC will send a signal to the wireless access point telling it to
buffer data. From your description your access point can't do this and is
dropping the connection. Check for a firmware update for the access point,
or set your PC to always on high performance mode.
Please post any reply as a follow-up message in the news group for everyone
to see. I'm sorry, but I don't answer questions addressed directly to me in
E-mail or news groups.
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"Anwar" <firstname.lastname@example.org> wrote in message
> i am experiencing strange problem in vista ultimate. vista detects my
> access point and for few minutes work fine but soon after that the signal
> strength goes down and it disconnects .this problem never occured in
> windows xp sp2 .
> i am using Dlink AP and my wireless card is atheros 5005 (acer aspire 5100
> builin card).with default vista drivers.