go to the network settings page, scroll about half way down and uncheck the "Enable DHCP Server:" box

In the DHCP section is there a check-box that says use router as DHCP server?

If so uncheck it.

If not then go to the DHCP settings page, Prt Scrn, paste into paint, save as a jpeg, and attatch...

We got that part, to paraphrase zeroth for you:

Take the ethernet cable connecting your modem/router to your wireless router, disconnect it from the WAN port and just connect it to one of the LAN...

N is completely backwards compatible with B&G networks.

I've never heard of a case where G had better range than N (Maybe the very early draft N products) but most of the range enhancing features...

Zeroth reminded me of one, potentially major, issue. You're going to be putting 18-27 routers in a building with 50-90 users. This means 2-3 routers and up to 10 users on each channel. BIG...

If it's in your budget allows it get N anyway, it allows futureproofing an also provides better range for existing G devices (not a whole lot better but I noticed about a 20-50% increase in...

You wouldn't necessarily need a server, a good network switch would probably do the job (If you could shave a couple routers off of this estimate you could get by with a single 24 port, but you may...

The hub isn't assigning an IP to the computer, try unplugging the hub, plugging it back in after thirty seconds and trying it on the computer again.

The switch manages network traffic by sorting packet destination. If a packet is labeled to go to another system on the network a switch will direct it locally through the intranet, if it's labeled...