download utility on official website http://www.tplink.com/en/products/details/?categoryid=&model=TL-WN821N#down be aware you hardware version. install the utility and open it ->click advanced->...

well that's means the problem is on your PC, you should update you wireless driver .Or reinstall the driver,have a try~!

well,your network topology is not simple. summarize previous you said, topology:cable modem - > FIREWALL/ROUTER -> SWITCH -> ARCHER C7 (AP mode) the problem is : [ the connection between switch and...

OH i see,look here, http://www.tplink.com/en/article/?faqid=519

the mail log of TP-LINK router only support 25 port,so be aware. and this function is not good enough.:(

I feel sorry for you DHCP IP range can be set manually 11BGN MIXD contains 11N only C7 can not do well with media server.And TP-LINK has plan to repair the compatibility of DLNA Maybe the wireless...