Just bought canon Selphy 1200. Trying to connect to wifi. Unable to make the connection

SOURCE: USRobotics USR5461 - WiFi local network intermittently available and unable to connect

I've been having the same problem where even hard wiring to the router won't work. I called USR and they had me reset to factory defaults. Now three days later, the same behavior is happening. I reset to factory defaults and it works again but I don't know for how long. Maybe these things just wear out after a while...who know.

SOURCE: trying to connect my PSP to wifi but it says connection error

firstly check the wireless mode on your PSP - is it on or off

SOURCE: i cant seem to connect wifi onto my iphone

try forgetting the wifi connection and then try connecting to it again

SOURCE: wifi connection to BT Home Hub problems

Try this link http://www.productsandservices.bt.com/consumerProducts/displayTopic.do?topicId=27873&s_cid=con_FURL_gettingsetup/interference#tab4
I had the same problem. I tried everything I could think of but this is what eventually fixed my problem.
Hope it works for you

SOURCE: not able to connect wifi in my lapopo

In connecting through a wifi, there are two factors to consider. (1) Wireless Router broadcast and (2) Wireless Receiver.

Make sure that your network router is broadcasting wireless internet or wifi. Also, you have to know if you need a pass key or password in order to connect to the wireless network.

Now, given that there is a wifi spot, your laptop should automatically recognize the wifi broadcast and negotiate connection without your intervention. This will only happen IF AND ONLY IF your laptop has a wifi radio receiver and that it is TURNED ON. When it is turned ON, it will connect you immediately if the network has no pass key set. If there is, then you have to enter that key when you try to manually connect it. (Right click on wireless network icon on system tray. Then it should say: Wireless Network Available. Then Click CONNECT)

To turn your wifi radio receiver ON, slide a switch button to ON position depending on your laptop model. If you dont have that kind of switch, look for the wifi icon printed in the keyboard keys. In some laptop, it is in F2. Now Press FN+F2 to turn wifi radio receiever ON and OFF.