Hi, Have you ever installed the driver for Mac 10.14? https://www.tp-link.com/en/support/download/archer-t2u-nano/#Driver Meanwhile, after the installation, can you see any wifi networks? Can you...

Hi, What is the model number of your network adapter？ Once you installed the V2, can the adapter/NIC be detected? And can you see any wifi networks? Per you said, if it is connected but no internet...

Hi, For the TP-Link cloud ID, the username/ID usually is your email address. You can test your own one and give it a go. Otherwise, there is not much we can do to get your ID back. Good day.

Hi, Could you please provide more details about the current problem? The model number and the hardware version; The operating system of your computer. And the specific symptom of the current issue...

Hi, Did you try to forget the network and reconnect to it? Does it work? Meanwhile, you can change the wireless channel of the 5Ghz on the main router. Like channel 36, 40 or 44. Have you ever tried...

Hi, What is the Kernel version of your Ubuntu PC? FYI, the T2UH supports Linux Kernel version 2.6~3.16. https://www.tp-link.com/en/support/download/archer-t2uh/#Driver While if it did not included...