If you connect your PC to the LAN directly, what is the IP address on your PC? If it is a public IP address, then you need a router, but not an Access Point. If it is a private IP address, then the...

Cannot read Vietnamese, can write in English? Or contact the local support for help.

Could you please share the model number of the powerline adapters? First can connect your PC to the powerline adapter directly and make sure the adapters are still working. If not, maybe you need to...

Refer to this link: http://www.tp-link.com/en/faq-107.html

The port for the page should be 80. If still cannot log in, can try:1. restart the modem 2. clear the cache and history, try other web browsers 3. try wired and wireless connection 4. try different...

Version 11 can only use LAN port in Access Point mode, and the NTP server will not work well in this mode. Seems you can only find a way to provide stable power for it:(