Restart the PS5
Restart the modem and router
Check PlayStation Network status
Move the PS5 closer to the router
Use a wired Ethernet connection
Forget the Wi-Fi network and reconnect
Re-enter the Wi-Fi password
Switch to a different Wi-Fi band
Change the DNS settings
Set the MTU to automatic
Disable power saving features on the router
Update PS5 system software
Update router firmware
Reduce interference from other devices
Change the router Wi-Fi channel
Disable VPN or proxy settings
Rebuild the PS5 database
Reset network settings on the PS5
Test the internet connection on the PS5
Contact your internet service provider
Contact PlayStation Support