Can't connect to wireless network at home with OS X 10.5.8 I'm having trouble connecting to the wireless network at my home. My brother recently picked up a new wireless router and provided me with the password. When I locate the SSID and enter in the password he told me, it waits for a few seconds then says "Connection Failed."

I can connect to the wifi on my iPhone 4 but because I do a lot of work from my Mac running OS X 10.5.8, it's imperative that I can connect to the wifi on my laptop. I can connect to other wifi networks (in fact, I'm at a Starbucks using their wifi right now). 

I don't think it has anything to do with my Mac, but if it does, can anyone provide any insight or solution?

If it's with the router, how can I configure it to allow me to connect with my Mac?
This issue can be caused by a SSID which contains special signs (e.g. - / ! : %)