[adsmith82]

Does anyone have an idea why my Internet works when my cable modem is connected directly to a PC, but does not work when connected to my router? Neither LAN nor WLAN work. Let me know if you need more information. Thanks.

/*EDIT*/
Oh... and my router configuration page (means there is communication between PC and router) says that the PC (via LAN) is connected AND the Internet / cable modem (WAN) is connected. WLAN SSID shows up on other computers as an available network.

[Law]

Plug a computer with a cable to the router. Open up command prompt and do ipconfig /release and then ipconfig /renew

Then do ipconfig /all to verfiy that you recieve an IP address from the routers DHCP server. Now ping the default gateway (router)to get a reply, now ping www.google.com to get a reply. See what happens.

Tell us what is the brand and model of your router.

[adsmith82]

The router did assign the computer an IP. The command prompt won't let me run the ping command. It pops up a dialog box and says:

"C:\WINDOWS\SYSTEM32\AUTOEXEC.NT. The system file is not suitable for running MS-DOS and Microsoft Windows applications. Choose 'Close' to terminate the application."

The router is a D-Link DI-624M.

[Law]

http://articles.networktechs.com/413-p1.php

[adsmith82]

I replaced the autoexec.nt file. Now it is not really doing anything when I use ping. It just gives me another prompt. After doing it a few times though, it will give me another dialog box that says:

"Command Prompt - ping 192.168.0.1
The NTVDM CPU has encountered an illegal instruction.
CS:0000 IP:fff0 OP:f3 a4 07 c3 3c Choose 'Close' to terminate the application."

/* EDIT */
And it says "Divide overflow" in the command prompt window when it pops up the dialog box. It looks like it does this every 8th time I run the ping command. Every other time it just goes back to the prompt.

[Law]

Which autoexec.nt file did you replace it with? It should come from your CD, I wouldn't download the one on the site, it doesn't help.

[adsmith82]

called d-link and i had problems resetting my router but it finally worked, also had problems flashing firmware, but it finally worked too... now internet is working... thanks for the help

[Apokalipse]

you need the router to establish an internet connection through the cable modem. a lot of the time you have to set it up for that.