Sat May 23, 2020 11:56 am
You have provided so little information its impossible to say what the problem might be.
so
what OS is you pi running
does your router support both 2.4Ghz and 5Ghz , if so are they using different ssid's
does you pi see the ssid of your router
do you have any strange characters in the ssid you are trying to connect to.
We want information… information… information........................no information no help
The use of crystal balls & mind reading are not supported