Hi, Which country are you based in now? TL-WR7620 is sold in China only. So, we do not familiar with it. If you need help, you may call China support or send an email to them directly: Email:...

Hi, Not sure if it has anything to do with the computer. Could you please check if it is same on all other devices and see if you get the same result? Good day!

Hi, If the internet speed is very slow in the house, a wireless adapter cannot improve the issue. The only method is to contact with ISP (internet provider) to provide a higher bandwidth so that a...

Hi, Please press wireless or wifi button for about 5s and check if the wireless lights come back on. Or press the reset button for 10s. Did you upgrade the firmware with a PC hard wired to the...

Hi, It is normal. It is for Internet LED testing. And it will not effect the network. Do you have any problem with the internet from Deco? Good day!

Hi, It is suggested to use DDNS for your Internet IP address. About how to register DDNS, please refer to: https://www.tp-link.com/en/support/faq/1367/ Good day！