I used my laptop to log into the tower but it gives me errors, i try to type tower and IE gives me an error that is like we cannot find tower, so i figured out that if i power up my desktop and enter the server through my desktop then i can access the server through the laptop but my desktop had to be first to access it.

So i have a desktop that i used to set up my server, that computer is having internet issues, its connected via directly from the wifi router, long story short, my desktop is having internet issues and its time for another build, but i can't access the server of course bc of the desktop not having internet.

If you are no longer getting IP addresses from your internet router, you will need to statically assign addresses to all machines on the network. I'd pick something like 192.168.145.1-10 and assign each device one of those addresses. When you get your router figured out you will need to switch things back to automatic, or manually assign addresses and the rest of the information that matches what your router is handing out.

 

You will most likely need to use the assigned ip address instead of the name tower to access it.