Most router manufactures make good routers, Some are better than others at different things. Each has a following much like car manufactures. Many feel ASUS is better. So find one that fits your...

I do not see any reason you PC could not be used with your router. You can connect via a cable or via wireless. Best to try the PC connected to the router first to see if the connection is okay. Set...

Anytime, you have issues, always try restarting the modem and router or power off, wait 2 min, and power back on. I assume you have a cable going to the router internet port from the wall port, so...

Since you had the problem prior to the upgrade to TP Link, the problem seems to be somewhere else. Check to see if you have the dropouts when the MAC is attached directly to the modem (bypass...

Try reseting it to the factory defaults. See this link. https://www.router-reset.com/reset-manuals/TP-LINK/Archer-C8-v1x Let us know if it works for you.

If you are on a faster speed tier from your ISP, I would think you would see a difference. For example if you have 150 or less, I would not expect much if any difference.