Yes, you can give a try to turn off the powersave mode. Please click the following link and download the SwitchPowerSaveTool. This tool will help you disable your plc devices' powersave mode....

You want to change the username and password of the powerline extender. Do you mean you want to change the username and password of the powerline extender's wireless network? If so, you can choose...

You don't need to enter the password of the PLC device which is already directly connected to your computer. The utility on your computer will automatically detect the password of the directly...

You can install the TP-LINK powerline utility on your computer which is connected to the PA211. The utility will show you the real powerline speed between your two PA211s. If the powerline speed...

You have two units. A big one and a small one. The big one is TL-WPA4220. The small one is TL-PA4010. So my link which is suitable for PA4010 is exactly suitable for your small unit, not the big unit.

Not fully understand your problem. But the configuration of WPA4220 is simple. Just press the pair button on PA411 firstly, then press the pair button on WPA4220. If the powerline light on WPA4220 is...