Cannot connect NetGear WN3000RP with wireless

If you use a Netgear router to broadcast a WI-FI (Wireless Fidelity) signal in your home, you can easily double the range of your network by connecting a second router to one of the LAN (Local Access Network) ports located on the back of the Netgear router. You can use a Linksys, Belkin, D-Link or even a second Netgear router to extend the range. Any router that allows you to access the router settings to turn off the router's DHCP server is usable as a range extender.

Complete a master reset on the router you want to use as an extender. Typically, routers have a reset hole located on the back or side of the router. Push a metal push pin into the hole until the lights on the router flash. Often the settings on routers have been manipulated to enhance a network connection. Resetting the router ensures you can access all of the settings and not encounter any issues when making the connection. Plug an Ethernet cable into one of the router's LAN ports located on the back of the router. Plug the other end of the Ethernet cable into the Ethernet port located Enter the router's IP address into an Internet browser Web address field. If you do not know the default IP address, reference TechSpot.com for a list of router IP addresses. Enter the default username and password for your router. If you do not know the default login information, reference Router Passwords.com for the default login information for your router brand. Access the DHCP server settings. Usually, this is located in the "Basic Setup" section of the router settings page. Turn off the DHCP server and then select "Update Settings." The location of the DHCP server can be located on a different page if the router is an uncommon brand. Access the "Wireless Setup" page and change the SSID to match the network name you use for your Netgear router. Select "Update Settings" to save the network name. This allows computers to move from the Netgear router to the router used as a range extender without requiring a second wireless profile being set up on the computer. The SSID could be located on a different page if the router is an uncommon brand. Access the "Wireless Security" page and update the router's password to match the password used on the Netgear router. If you do not secure your network, skip this step. The wireless password could be located on a different page if the router is an uncommon brand. Remove the Ethernet cable from the router and the computer. Plug one end of the cable into the WAN (Wide Area Network) port located on the back of the router you want to use as a range extender. Plug the other end of the cable into one of the LAN ports located on the back of the Netgear router. Hope this helps

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Cannot connect NetGear WN3000RP with wireless"Settings do not match for my computer."
Going only by this one clue, it appears that you must delete the network that was originally set up & start again. This is done in the network & sharing area. Look for "manage connections" or "manage adapters"- something like that. You're looking for the list of available networks. You will see your own network name in a list format. Delete it.
Now, you can set up your new hardware & it won't complain about "wrong settings in your computer".
Cheers!