You can set up your router manually, without the
CD.
Make sure that your computer is able to go online
directly through the modem.
If your computer is able to go online through the
modem, that means the modem is working fine.
You will need to connect the computer to the
router and the modem to the router.
open the set up page of the router and change the
settings of the router according to the ISP.
Once you set up the router, connect the switch to one of the port on the router. Suppose one end of the cable connected the switch to the port 2 on the router, then connect the other end to the port 1 on the Switch. connect your computer or other device to the switch.
Click Here for more information about the routers set up