Just to make you all aware:
The newest laptop in house with a 2x2 Intel Wireless-AC-9560 adapter often refused to properly connect to the RT-AC68U router and did not get the expected network performance.
The maximum expected connection rate should be 866/866 Mbps, it often showed 866/433 Mbps or worse.
This turned out to be related to a poor network adapter driver.
Windows 10 did not find a new driver, the Intel site listed an updated driver that fixed "Slow throughput when device is connected to a 5 GHz network" and it obviously did, the connection is now solid 866/866 Mbps with Internet speeds that hit the ISP subscription limit of 600/600 Mbps.
The newest laptop in house with a 2x2 Intel Wireless-AC-9560 adapter often refused to properly connect to the RT-AC68U router and did not get the expected network performance.
The maximum expected connection rate should be 866/866 Mbps, it often showed 866/433 Mbps or worse.
This turned out to be related to a poor network adapter driver.
Windows 10 did not find a new driver, the Intel site listed an updated driver that fixed "Slow throughput when device is connected to a 5 GHz network" and it obviously did, the connection is now solid 866/866 Mbps with Internet speeds that hit the ISP subscription limit of 600/600 Mbps.