A simple, and kinda stupid fix for alot of problems with wireless routers,
APs, or print servers. (even wired ones too.) Unplug the power from the
device, wait a minute, plug the power back in. I have seen many times where
I get a call "My wireless stopped working!" or "my printer stopped
printing." Where the fix was at the router or print server, where you do the
instructions above.
If that doesnt fix your problem, reseting routers and printservers are easy,
and setting them up are easy too, so don't be afraid to hit that reset
button on the back of the device. I mean, unless it's not yours, then don't
touch it! (If you're in an office environment, you may screw up everyone
else in the office. Call your network administrator! But you should've done
that first.

)
-James G.