@Pessoa First, please ensure that the adapter can get good wifi signal from the main router, you can move them closer to each other. And you can change some wireless settings of the router, like...

@mplane Sorry to tell you that we are not familiar with the Centos OS, we can do some troubleshooting first, but if it cannot be fixed, it is recommended to seek help online, like Github or so. What...

@Zuddin What is the operating system of your computer? With yellow triangle pops up, does the network adapter work properly? And how do you make it work? Try to change another PCI-e slot and...

@JosBro What is the operating system of the Windows PC? With Archer T6E plugged into the PCI-e slot, go to computer management-device manager and verify whether you can find it under network adapter...

@Babis Below is the download link of the driver for TL-WN725N, there you can get the operating systems supported by it. https://www.tp-link.com/support/download/tl-wn725n/#Driver For the Windows CE...

@jimmyde The most simplest way is to give a new network name for the 2.4GHz of the main router. Then it will be detected as a new network, without connecting to it via password, it will lose the...