Net Q: Lost LAN connection

PROBLEM:
I somehow lost network connection to a WinXP (SP1) computer on the LAN despite everything looking ok.

OVERVIEW:
- Using DHCP to acquire IP (release/renew no results, gets 0.0.0.0 on reboot) - It's not getting an IP address from my router (Linksys BEFSR41)
- The lights on the NIC card and the router are lit, indicating a good connection, I've tried different ports on the router
- No problems reported by Device Manager
- LAN is ok, connected right now on my laptop (through router to cable modem to net)
- Using Client for MS Networks and TCP/IP protocol
- LAN Connection Icon (bottom-right near clock) indicates proper connection

ALREADY TRIED THE FOLLOWING (none worked):
- ipconfig release & renew (error: "the operation failed as no adapter is in the state permissible for this operation" )
- unplug NIC, reboot, plug NIC back in
- Deleting old machine entry from web-based router tools
- change to bogus workgroup name, reboot, change back to proper workgroup
- give static ip and reboot
- changed network cable

Suggestions?

Good suggestion and it works under previous versions of NT but you can't delete TCP/IP in XP (or the method is different from that of NT/2000). I thought I found it in an obscure BIOS setting (wake on RING?) but no dice. I've tried different NIC in a different slot with same negative results.

I tried booting to safe mode and remove all NIC devices but was unable to remove my old NIC "ADMTek AN983 based ethernet adapter - Packet Scheduler Miniport" due to error: Failed to uninstall, device may be required to boot up computer. What gives with that?

I can ping localhost but cannot ping by hostname - strange?

do ou possibly have ICS enabled on the machine in question? If so it should be disabled... just wondering

<i>It's always the one thing you never suspected.</i>

yes, you can re=install XP. any chance of trying a different NIC?

<i>It's always the one thing you never suspected.</i>

is there anything of use int he event log? (run eventvwr from DOS)

BTW - thanks for the link to the TCP/IP re-install stuff. That netsh utility is the cats meow.

<i>It's always the one thing you never suspected.</i>

check out this <A HREF="http://groups.google.com/groups?q=symtdi+service&hl=en&lr=lang_en&ie=UTF-8&oe=UTF-8&selm=cdecffb3.0208161226.35898f5e@posting.google.com&rnum=2" target="_new">usenet post</A>

<i>It's always the one thing you never suspected.</i>

If you're upgrading from NAV 2002 or SystemWorks 2002 you had better plan on FULLY uninstalling the NAV product and not just by normal means.

THERE IS A SERIOUS BUG FROM SYMANTEC AND YOU'LL LOSE YOUR DHCP CAPABILITIES IF THESE STEPS AREN'T FOLLOWED! Do I make myself clear?

Go Check out http://www.bl.com/moshe/text/quidd [...] rrors.html for full details, this one bit me in the ass and took me hours upon hours to straighten everything out.

Take the 5 minutes to do this right and you'll be ok.

I agree about the FAQ. jlanka is da man.

Why not reinstall NAV every 364 days?

<b><font color=blue>~ <A HREF="http://www.btvillarin.com/phpBB/viewtopic.php?t=324" target="_new">My System Specs</A> ~<font color=blue></b>