Ensure the wlan switch is on. If that is your encryption method you need to change it to a wpawp2 mixed mode or just wpa.

How To Connect A Psp To The Internet
Psp won t connect to wifi. This is done so that no one will be able to find and connect to that particular wifi signal. If you think about it only thing that is left is your psp has broken wifi. Scroll left to select settings. Go into router settings 19216811 in url enable the guest network in wireless rename it psp put none for security options. Cant connect my psp to the router the psp is too old to read the wpa2 psk aes style encription. Connecting your psp 1.
Check these basic steps first and get back to us. You must have at least version 20 of the psps operating system in order to connect to the internet. Uncheck enable ssid signal. Open your router configuration page on a computer connected to the network. I had to do this with. The psp is a 80211b device so first of all make sure your router is set to a mixed mode so that it can work with wireless b devices.
You need to go into the router settings and make your wifi open meaning no password which nowadays is very risky but the psp wont connect without that with new routers. You will need to toggle the wlan switch on your psp in order to enable wi fi. Check your network security configuration. Navigate to the wireless section. Also the psp does not support wpa2. How to get your psp to connect to your home wifi if it says no supported in the settings.
You will need to log into your router and under wireless setup switch the security settings from wpa2 psk aes to wpa psk tkip wpa2 psk aes here is the most common way to do that. Now this is important. See this guide for more details. Change your security type to wpa psk tkip wpa2 psk aes or wpa2 personal tkipaes. Go to starbucks mcdonalds or somewhere else and try connecting there.