The Wi-Fi is not working in the room.
'Wi-Fi' is pronounced as in English in Italy.
One of the most common complaints in modern hotels. Report to reception — they can reset the router or give you a closer access point.
'Non funziona in camera' — adding 'in camera' (in the room) is important because Wi-Fi may work in common areas but not in certain rooms, especially those far from the router or in thick-walled historic buildings.
Il segnale Wi-Fi è molto debole.
The Wi-Fi signal is very weak.
A weak signal rather than no signal — ask for a Wi-Fi extender
Non riesco a connettermi con la password.
I cannot connect with the password.
A password issue — reception can give you the correct credentials
Il Wi-Fi funziona in comune ma non in camera.
The Wi-Fi works in the common areas but not in the room.
Specify where it works and where it does not to help staff diagnose
Italian hotel Wi-Fi in historic stone buildings is notoriously patchy. Thick medieval walls effectively block Wi-Fi signals. Some hotels solve this with multiple access points; others have dead zones. If connectivity is essential for work, always test it immediately on arrival.