@saad184
Good day,
Thank you very much for your time and patience.
Sorry For the delay.
Did the same issue happen o 2.4ghz?
Please try to install the following driver to have a look:
https://static.tp-link.com/2019/201911/20191128/Archer T2U_V3_beta_windows 10 cannot link to 5G_1030.29.0627.2018.zip
how to install the driver: https://www.tp-link.com/support/faq/920/
Thanks a lot.