MC7455 disconnects every few hours

Hello everyone, I’m having trouble with my MC7455 disconnecting from the network after around 6-8 hours. Usually it will auto-reconnect, but sometimes it cannot get any internet access at all after reconnecting and I have to restart the device.

OS: Windows 7
Drivers: Latest 4581
Firmware: Latest 02.20.03 Generic
Skylight 4442

Thank you!