it should not be a problem with 2.4ghz connection. you can connect those devices to 5ghz and see if they can use DLNA, if no, then it is those devices not the 2.4ghz issue.

WeakWifi wrote I have this bomb problem. buffering, losing connection, is a bad router. my ac2600 is working and this ***t ac3200 has this issue. does your AC3200 lost connection from the wan or it...

Do you see a Mode Icon on the top right on the configuration page of the extender? If you can't see it, upgrade the firmware to the latest one first. For how to login to the configuration page:...

The ticket printer is a network printer. Make sure the PC is working when it is connected to the extender. Can you use it when the ticket printer directly connected to the computer？

Hi , there is an instruction which applies to your case: http://www.tp-link.com/en/faq-927.html

Is your issue fixed now? You will need to check the lights on the extender when there is no network connection. The 2.4G or 5G light should be on, otherwise you will not get any internet from the...