This issue may be caused by a WiFi module failure in the screen assembly.
Step 1: Check whether the WiFi list can be loaded
Please open the WiFi settings page and check whether the machine can display available WiFi networks.
✅ If the WiFi list can be displayed:
Try to Forget the current WiFi connection and reconnect to the network again.
❌ If the WiFi list cannot be displayed:
The machine’s WiFi module (integrated into the screen) may be faulty.
In this case, please replace the screen assembly.