What a pity! Anyway, if you contact their technical support, maybe there is a solution for you. If it is a driver problem, you may try chipmaker's driver....

hi Philip, just now, i searched FAQ of TP-LINK and i get the following FAQ: 1. how to reset TP-LINK printer server: 1). Unplug the power adapter of print server; 2). Press the Reset key on the print...

Hi Philip, have you powered it off before reset?

How to check the hardware version: http://www.tp-link.com/en/Article/?id=46 Is it v2? There may be some compatible problem, you may downgrade to the previous firmware.

1. Plug them into one power extension board to pair them (pair TL-PA211 for 5 seconds and then pair TL-WPA281 for 1s). Wait about 1 minute till the powerline LED comes on. Then connect them back to...

The downlink seems OK now. Hope it works properly after your upgrade. Please do reset it to make it take effect and reconfigure it.