My lenovo laptop uses an Intel AC-9560 wireless adapter. With modern standby activated, the connection after wake from sleep is extremely slow and limited to about 20Mbps. When I disconnect and connect the adapter, i get back to my normal speed of 500Mbps. Currently the only work-around is to disable modern standby in my bios. i am using the most current driver (21.50.1.1) and have been hoping for this problem to be resolved with every driver update I received.
