You are suggested to contact ISP to check the line as it loses sync... Provide a screenshot of Status page when connection drops.

There is a Win10 compatibility list for your reference. Some adapters are plug and play on Windows 10 because the driver is embeded in the system. http://www.tp-link.com/en/article-15587.html

Try to change channel from auto to 157, 153 or 149. About wireless coverage, generally, the lower the frequency the farther a wireless signal can travel. Therefore, devices on a 5 GHz network will...

Is it WPA4220? To press the Wi-Fi/Wi-Fi Clone Button for 5 seconds will enable or disable the wireless function. As the Wi-Fi/Wi-Fi Clone LED light is off, it should be disabled. Try to press the...

TD-W9980, right? Firmware is up to date? Wired connection to W9980 works fine? Try channel width 20MHz to see if it helps.

1. No need to update it. 2. The beta tool is available here. You have to connect your PA211 to the PC one by one and disable power saving....