@Solla-topee thank you for your reply! I've tried the reset (10" reset button) and hard reset (30/30/30) but nothing happened. Also not guarantee active as I have it many years...

anyone with a helping idea?

Hello, I have that model. All of a sudden, the wifi signal disappeared the wifi led lamp is off and so I can't reach the network or the menu so I can check if the wifi function is ticked on or not....