Re: Tp-link wn7200nd - cannot associate

Ming-Ching Tiew <mctiew@xxxxxxxxx> · Mon, 3 Jan 2011 17:45:25 -0800 (PST)

--- On Mon, 1/3/11, RafaÅ MiÅecki <zajec5@xxxxxxxxx> wrote:

> >
> > I have a TP-LINK WN7200ND, I am tested it with Kernel
> 2.6.36.1 and 2.6.35.10, basically after inserting the USB,
> the interface is up and it can never associate with any
> access point.
> >
> > #lsmod |grep rt2
> >
> > rt2800usb Â Â Â Â Â Â Â 7632 Â0
> > rt2800lib Â Â Â Â Â Â Â20328 Â1 rt2800usb
> > rt2x00usb Â Â Â Â Â Â Â 4628 Â2
> rt2800usb,rt2800lib
> > rt2x00lib Â Â Â Â Â Â Â15408 Â2
> rt2800lib,rt2x00usb
> > mac80211 Â Â Â Â Â Â Â122068 Â2
> rt2x00usb,rt2x00lib
> > cfg80211 Â Â Â Â Â Â Â 92252 Â2
> rt2x00lib,mac80211
> >
> > There are a lot of similar complaints on the net, this
> is one example :-
> >
> > http://ubuntuforums.org/showthread.php?t=1530095
> >
> > There don't seem to be any issue with 'iwlist wlanX
> scan'. But just can't associate.
> >
> > Any recommendation ? Any debug information I should
> provide ?
> 
> Are your networks encrypted? How? What is output of
> wpa_supplicant? Did you try
> nohwcrypt=1
> ?
> 

Thanks for the reply. Now I am suspecting that it's the power supply to the usb device. The device is supposed to be 500mW, what do I have to do to check indeed the notebook usb power supply is not enough ?

Regards.

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