Haven't had any wireless problems until the past few days, now it's no longer finding my network (doesn't appear on the list). Other times the network will briefly appear, I'll click on it and enter password, then get message: Unable to join network. When it does appear, it's showing a strong signal. Tried putting the ipad right next to the router, no change. I have several other devices running wireless with no problems. Tried a network reset, no change. Any ideas? Thanks! ...Steve