Wifi erratic and keeps disconnecting

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http://crunchbanglinux.org – Hi all:Installed Crunchbang a few days ago and have had problems with wifi since. Sometimes it works okay and then will stop working. Sometimes that means it disconnects, but more often nm-applet says it is connected, but there is either no internet access or it's incredibly slow (shuttling back and forward between looking and waiting for a response for about 5-10 minutes, then downloading half a webpage and then just stopping completely). Has anyone else had this behaviour or found a way to fix the issue?I'm using an Acer Aspire One netbook if that helps.Thanks,Billy, (HowTos)