Why my wifi won't open
Why my wifi won't open?
iPhone 4S, iOS 7.0.4
Why my wifi won't open?
iPhone 4S, iOS 7.0.4
What happens when you try?
Troubleshooting Wi-Fi connection issues - MacBook Air (Mid 2013)
Troubleshooting Wi-Fi issues in OS X
Wireless Connection Problems - Fix
Wireless Connection Problems - Fix (2)
Wireless Connection Problems - Fix (3)
Wireless Connection Problems - Fix (4)
Also try turning off Bluetooth
Why my wifi won't open