im having some issues with my connection to my router, my roommate doesnt having a wireless card so the router stays in his room across the house. I use a D-link adapter and the signal strength sits below 10% which is causing me to connect and disconnect over and over.
I read somewhere that you could use a spare wireless router as an adapter. So in my closet I got out the extra Wireless-N Gigabit router I have and I was wondering how would I go about converting it to an adapter insted of a gateway, because I know for a fact that it would have incredible wireless range not to mention I can move it around the room or put it on the wall for better signal strength.

the 11.n is a poor choice for compatibility reasons.

Using one WiFi to access another needs one to be in bridge mode like an
access point would do.

You still need to connect Router#2 to Router#1