@rodmur Hi, what is the model number of your TP-Link adapter? Do you mean you also got a TP-Link wireless router? What is the model of it? Do you encounter any speed issue with this adapter? What is...

@TSTNomad For this WN821N V6, we actually only provide the driver for Linux (kernel 2.6.24 ~ <4.9.60), for any higher kernel version, there is no TP-Link official driver anymore. The chipset of the...

@ChrisG85 Hello, kindly refer to the below instructions to check the connection again: https://www.tp-link.com/support/faq/2698/ Below is the latest driver for the adapter, you may give it a go and...

@9497 Please refer to the below troubleshooting guide to confirm some basic info if you failed to install the driver on your computer: https://www.tp-link.com/support/faq/2240/

@HieuChu May I know the operating system of your computer? Windows 10? You may try to update the driver to be 22.0 then monitor the connection again:...

@Nuno_Pereira Are you able to get the band option under Basic->Internet page?