Do not know of any function in the router. Something you may want to try is to set up port forwarding and assign a specific ip address and port to the PC-A and see if you can ping that port over the...

Selin is correct, be sure to use passwords and the wireless security (WPA2 and encryption) Also be sure to use a different SSID than the other networks. Also most devices that have used a specific...

The default userid and password is most times printed on the device. If not check the user doc. Most times it is admin/admin or such. If you changed and lost the user id/password, then you must do a...

I seen somewhere that 31 is the limit but not sure if it is for each bandwidth. As for VPN, yes it make it more secure but the trade off is a slower connection. On my home network I do not use a VPN...

You could put your game machine on the 5 ghz SSID and your other devices on the 2.4 ghz SSID as 5 ghz is faster.

Can to load the previous version of the firmware for your router that was working? I was able to do it for my Archer C8. It was listed on the TP-Link Archer C8 firmware page. I had to do it so I...