Not receiving IP address

[redrock559]

I have Vista home premium 64 bit with SP2, roadrunner ISP, computer connected to Toshiba PCX2500 cable modem. Internet was working fine on the computer until 5 days ago (or so). Upon starting up computer internet would not connect. After trying many things I found that the day before my AVG antivirus software had done an automatic update and thought maybe there had been some conflict so I did a system restore to the day prior. My internet connection worked. I also turned off the automatic update on AVG just to be sure I didn't get it again until I figured it out. The next day when I booted up the conputer no internet again. I tried a system restore again but to no avail. I have spent the last 4 days trying everything I could find on the microsoft, windows, and ISP help and forums. I also called my ISP and they ran a diagnostic. They said that my computer was sending to the router but would not accept the IP address. Besides the basics of restarting modem and pc, using windows network diagnostics, disabling firewall and antivirus, restored IE settings, restarting the network connection, checked that I had the most recent drivers, etc., I have also set the broadcast flag to 0, reset the ipv6 and ipv4, winsock reset, the only 2 things that I have found that conflict with some of the help is that ghe winsock2 key had fewer then ten sections even when reset and UPNP is not supported by the router (don't know if this matters but it was working fine before with the router). Oh and currently I am posting this via my laptop (xP) connected directly to the same router (I disconnected the cable from the PC and plugged into laptop) and it works fine so must be something with the computer. Please help me. I have ipconfig /all data can post as well as winsock2 key info, etc. let me know. Thank you.

 

[richc46]

Right click on the network icon, then diagnose and repair. Let us know

 

[redrock559]

No success. It returns: “This computer has limited or no connectivity” and provides three options/steps; “Automatically get new IP address for the network adapter “Local Area Connection”, “A problem with your network router or broadband modem might be preventing an internet connection” (recommends turning off modem, restarting, etc), and “Reset the network adapter “Local Area Connection”. I followed each of these and Step 1 returns “Windows tried…but it did not fix the problem.”. Step 2 says “..problem still exists”, Step 3 same answer returned as Step 2.

 

[richc46]

http://www.vistax64.com/network-sharing/213219-169-ip-address.html

Try resetting the IP address, per this thread

 

[redrock559]

/release works but it will not renew, it returns an error of unable to contact DHCP server: request timed out

 

[richc46]

Try going to search, type "services" in services make sure dhcp is set to automatic.

 

[redrock559]

yes, it is set to automatic and status is "started"