I have a Windows 7 laptop connecting through wifi to an Airport Extreme router at work. When I leave work in the evening with my hibernating laptop and come back the following morning, it's unable to connect to the same wifi network. The laptop sees the network, it tries to connect to it, but eventually fails with a generic "unable to connect" dialog.
Disabling and enabling the network device has no effect. Rebooting the laptop has no effect. After rebooting the Airport, the laptop is able to connect.
I have a wifi network at home and have no problems whatsoever. Then again, all the other computers at work don't have any problem connecting to the router. AFAIK both networks are 802.11a/b/g/n without any restrictions.
There's another Airport Extreme router at work and the laptop doesn't experience this problem. Laptop connects immediately. If laptop is connected to 2nd router (good one) and I walk to the 1st router (bad one), laptop loses connection.
Airport Extreme specs: Version 7.6.4 Model no A1408 5th generation
Any idea what could be causing this?