@Heidi_Alp not the mac. The culprits was the tplink. As stated once hard rest all came good, and has been ever since. Archer was the guilty party.

My Archer VR2800 suddenly stopped DHCPing to my MAC (all other machines worked fine). I thought it was my MAC until WIFI also failed on the MAC ( 2 days later). Turning Archer off and on again did...