ClearOS 7.5 is working as a gateway in my home network. Suddenly, the only Windows client in the network has stoped accessing the network!

It's a Windows 10 running on a laptop. The WiFi connects to the network, but gets wrong IP, gateway and DNS addresses. I flushed the Windows caches and restarted the DHCP client, but still the machine cannot get addresses from the clearOS DHCP server. It connects though if I disabled DHCP auto mode and manually enter the addresses.

I tried to connect the laptop to another network and it worked flawlessly there! Only with clearOS it fails to automatically get the addresses from the DHCP server.

I checked the server and found no traces of the laptop in the DHCP leases table nor in the Intrusion Prevention System.

The Windows machine is manually connecting to the network now, but I really want to make it connects automatically. I'd appreciate any help in this regard.

Thank you.