I am running xubuntu distro 10.04 On a toshiba laptop. Has a wireless card and ethernet hook up. I some how lose internet after shutting down my laptop for a short period of time and then when I come back and boot up it does not connect to my wireless connection to my router...

Issues are as this.

1. wireless saying disconected.

2. No other wireless routers are coming up for chioces.

3.Disconecting after shut down.

I am not sure if i am missing something for the connection to stay connected to my router and was wondering how can i fix this I have searched and have found nothing on the subject wireless connections, laptop toshiba.

any help with this issue so I will not have any problems would be greatly excepted..