MacBook Air 13' network

My Macbook Air 13' used to detect my home wifi .. but now i have to wait like 10 minute to find it or sometimes i have to restart my macbook to find it .. What should i do ?

Power off the router. Wait awhile. Power it back on. Wait until all the lights are lit up properly.
It will take a while.
Restart the computer.
Start up in Safe Mode
http://support.apple.com/kb/PH11212
Best.

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    Message was edited by: rawreviewer

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