Just got TX55E and have installed latest driver.

WiFi-22.250.1-Driver64-Win10-Win11

Internet speed is quite poor, especially download

SSID:    AKWifi5G
Protocol:    Wi-Fi 6 (802.11ax)
Security type:    WPA3-Personal
Manufacturer:    Intel Corporation
Description:    Intel(R) Wi-Fi 6 AX200 160MHz
Driver version:    22.250.1.2
Network band:    5 GHz
Network channel:    40
Link speed (Receive/Transmit):    70/216 (Mbps)

 

compare to my old Wi-Fi 5 (802.11ac), USB wifi adapter

it's at the same spot, same pc, same AP. What's wrong and how to fix? can someone help me? 

BTW bluetooth works fine