Hello @Zaselim Could you please specify what's the issue caused by the Wi-Fi exclamation sign? Are your devices not even connected to the Wi-Fi network or they are connected but have a "No internet...

Hey @TomVos Does the problem occurs on both 2.4GHz and 5GHz bands? Have you tried changing channel and channel width in your wireless settings? If not, for 2.4GHz try 1, 6, 11 channels and 20MHz...