Canon EOS REBEL T7I Wi-Fi (Wireless Communication) Function Instruction Manual page 143

61: Selected SSID wireless LAN network not found
Are any obstacles blocking the line of sight between the

camera and the antenna of the access point?
Move the antenna of the access point to a position clearly visible

from the point of view of the camera (p.153).
What to check on the camera
Does the SSID set on the camera match that of the access

point?
Check the SSID at the access point, then set the same SSID on

the camera (p.119).
What to check at the access point
Is the access point turned on?

Turn on the power of the access point.

If filtering by MAC address is active, is the MAC address of the

camera in use registered at the access point?
Register the MAC address of the camera used to the access point.

The MAC address can be checked on the [View info] screen
(p.135).
Responding to Error Messages
143