#1 Check the VPN Software
Exit VPN and try again.
#2 Bad Wi-Fi Signal
Try another Wi-Fi environment where the signals are strong enough.
#3 Check the Wi-Fi Name and Passwords
Make sure the Wi-Fi name and passwords consist of only pure letters and numbers.
In order to avoid mistyping, please make the password visible when typing.
#4 Check the Wi-Fi Frequency Band
Make sure your Wi-Fi is in the 2.4 GHz band, not the 5 GHz band, and try again.
#5 Check the Wi-Fi Connection
Connect the machine to the computer via USB.
Choose the correct Wi-Fi and connect the machine to the computer through Wi-Fi.