@SPIKER01 Try to follow the instruction to narrow your problem and tell me what it is and the specific symptoms when it stops working. https://www.tp-link.com/support/faq/2233/ And please tell us the...

@JACK2019 Hello, the TL-WDN5200H is sold in mainland of China only, you can try to reach out to the tech support to get some help. Their email address is fae@tp-link.com.cn. And they can provide...

@Sankar_SV So with USB adapter plugged into the USB port, it cannot be detected by the computer? What is the model number of your adapter? Try to change another USB port or computer to give it a go....

@adrian64 The Archer T4U has the official driver for Linux (kernel 2.6.18 ~ 4.11). https://www.tp-link.com/support/download/archer-t4u/#Driver What is the hardware version of the Archer T4U? The...

@ataylor That would be great, glad to hear that. You can take more time to test its performance. Any further problem, be free to let me know.

@zook Thanks for your updates, glad to hear that you figured it out. Now you can enjoy the internet with the Archer MR600. If need more help, please let us know. Best regards.