Good day,

Last week i purchased a new WIFI PCIE slot card. The speeds are very good - 420 mbps on 5GHZ.

But when i play games such as Apex legends or PES football it can be very unstable. Like in the noon it could be very steady without lag. But in the night i get a very laggy connection. Even when i am home alone this happens. 

This only happens on my PC and not on other devices.

My router is a Archer C5400

I hope i will get a solution so i can still play wireless games without any lag.

Best regards,

Danny