Canon EOS REBEL T7i Instruction Manual page 447

Wi-Fi
Wi-Fi cannot be set.
If the camera is connected to a computer, GPS receiver, or other

device with an interface cable, Wi-Fi functions cannot be set. ([51:
Wireless communication settings] will be grayed out.) Disconnect
the interface cable before setting any functions.
Refer to the Wi-Fi (Wireless Communication) Function Instruction

Manual.
Operation Problems
A camera button or dial does not work as expected.
Under [54: Custom Functions(C.Fn)], check the [13: Assign SET

button] setting (p.397).
During movie shooting, check the [V btn function] setting (p.305).

During touch screen operations, the beeper suddenly
sounds softer.
Check if your finger is blocking the speaker (p.28).

Touch operation is not possible.
Check if [53: Touch control] is set to [Standard] or [Sensitive]

(p.68).
Troubleshooting Guide
447