So I unplug the power from the router, plug it back in, hit the configure button - sometimes I am prompted to enter the network security code on the desktop, sometimes not. This was the only way I could figure out to reset the thing, after trhing everything I could find in both Windows and the "Network Magic" software that came with the router. Anyway cutting & reconnecting the power fixes things & I can get onto the network again for another day.
The desktop, which is connected physically to the router / modem / DSL line, remains connected to the wireless network when the laptop can't access it & shows no problems.
Why is this happening, what can I do? Why would it work fine for a week & then crap out daily? All this home tech stuff that is supposed to be simple is just confounding.
A friend from another board who was having similar problems reports:
finally while troubleshooting my Linksys unit over the phone with AT&T, I allowed them to access the router remotely so that they could set everything properly... they couldn't AND then could NOT return control to me... so they sent me a free one... it's their "Two-Wire", combination wireless router and modem all in one box.... pulled that sucker out of the box, connected everything and powered it up in the order described in the card that came with it...hit config... it told me where to look on the unit for the security code.. typed that in on the desk top, 2 laptops and wireless printer, and haven't had to give it another thought in over 2 yrs now... what had been a continuous problem is now GONE...
if you have AT&T I recommend getting one of these asap...
I do have AT&T. Is this my only solution?