Cannot enable NIC

XP Pro...SP2
Trend Micro
Spysweeper
Cable internet
Dlink router
Realtek RTL8139 NIC
2 additional computers on router

Had a problem with the cable modem and router...replaced both of them, got connectivity back...

One w2000 computer connects to Inet just fine...a XP Pro laptop connects fine...

The problem computer, XP Pro will not connect...

It recognizes the connection, will NOT an IP, but it will send and recieve packets...then shows "Limited or no connectivity"...has activity lights on the NIC and the activity light on the router port is on...

Properties of the NIC show that it is enabled...but if I try to DISable the connection I get this message..."Not possible to disable the connection at this time.  This connection may be using one or more protocols that do not support plug and play or may have been initiated by abother user or the system account."...

Wow...I have never not been able to disable a NIC and then re-enable it...

I have changed NIC cards...I have changed the PCI slots it is in...

I have taken the laptop and plugged the same patch cord into the lap that would be plugged into this computer and the laptop connects to the Inet just fine...

I am out of ideas...

Help???

Steve
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Steve MutchlerIT TechAsked:
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zephyr_hex (Megan)DeveloperCommented:
try lspfix http://www.majorgeeks.com/download4180.html
also try uninstalling and reinstalling NIC drivers.
and verify no spyware is on the computer (trend micro is ok for virus protection ... but their spyware utility is flakey and not very thorough.  i suggest running your scan with something like spybot, which you can get for free at http://www.download.com )
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venom96737Commented:
1) Your Network or DSL router may have bad or missing information. Powercycle your router and/or rebuild the configuration in your router.

2) Double-check your cabling to the computer. Make sure you have the correct type of cabling, straight-through CAT 5 or possibly a crossover cable and try another cable or test the cable to make sure its working properly.

3) Check your network card to make sure its configured correctly and working properly. Many times setting the network card to 10Mbps/Full Duplex will solve this issue. To do this, open Control Panel, System, Device Manager. Go to the properties of the Network card, click on the Advanced tab and find the Link Speed and Duplex section. Change it from Auto Detect to 10Mbps/Full Duplex.

4) Check and test your firewall. Your firewall, especially if its a software firewall like ZoneAlarm, Black Ice, Norton Firewall or something else could be blocking the connection. Disable your firewall and test the connection. You may have to resolve the problem by even uninstalling and reinstalling the firewall.

5) Check your IP address assignments and workgroup settings in the computer for accuracy. Statically assign IPs to the computers in your network.

6) Reset your TCP/IP stack by downloading and running WinsockXPFix.exe a Visual Basic program designed to fix corrupted TCP/IP issues, host file problems and a variety of other connectivity issues.

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venom96737Commented:
this message Not possible to disable the connection at this time.  This connection may be using one or more protocols that do not support plug and play or may have been initiated by abother user or the system account is telling you that something is using the connection goto safe mode and disable it from there possible a firewall program shutdown all firewall and antivirus software and try it again.
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Steve MutchlerIT TechAuthor Commented:
OK...I think I got it...

I brought the computer home to work on...put it up on my workbench, plugged it in and it jumped on the Inet just fine...

BUT...what I discovered is that I had to push my patch cord hard into the NIC socket...if it is at the point where the little plastic tab "clicks in"...the NIC lights are on but it won't get an IP and won't get on the Inet...but if I push it in harder, it works just fine...

So...gonna drop in another NIC card and replace the patch cord when I take it back to the client...

Now, I still have to deal with the "Not possible to disable the conection...." error...

Made a mistake in the AV...Bit Defender free version is on this as well as Webroot Spysweeper...And Zone Alarm free version is running...

Well, this is interesting...I  just popped in a 3Com card and it connects to the Inet just fine...but I still get the error message when attempting to disable...

Also, with both the 3Com and the Realtek, windows installs the drivers, but I get the Not Microsoft approved drivers screen...

Venom...
1.  Inet connection is fine...works on 2 other computers...
2.  Cabeling is correct...this computer worked just fine a few days ago...
3.  NIC is currently Auto Select...
4.  Zone Alarm is currently working...seems to be ok...
5.  NA
6.  I rebuilt the Winsock yesterday, no effect...

Right now I'm up and running...just gotta figgure out the error message...

Appreciate your time and any more thoughts...

Steve
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Mohammed HamadaSenior IT ConsultantCommented:
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venom96737Commented:
Sounds hardware related you say if you dont press it in really hard then it wont connect soulnds like to connector pins are bend or something inside the network card.
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Steve MutchlerIT TechAuthor Commented:
Appears to be the deal...

I swaped out with a 3Com card...been stable now for a day...but I still don't have much
on this error message......."Not possible to disable the connection at this time.  This connection may be using one or more protocols that do not support plug and play or may have been initiated by abother user or the system account."...still researching that...finding a few hits...but so far no joy...
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Mohammed HamadaSenior IT ConsultantCommented:
Have you tried the link i posted above ???
sexyabs's solution was so helpful.. give it a shot
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Steve MutchlerIT TechAuthor Commented:
moh10ly...I did look at the link...but I gotta confess...it just didn;'t look like a solution to me...however...after reading it again...I will try it...step by step and see what happens...

Thanx for reposting...
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Steve MutchlerIT TechAuthor Commented:
moh10ly

Well, I tried the post  you suggested...step by step...no joy...

I'm going to continue to search around, and if I can't find a solution in a couple days...I'm gonna close the post...

Might be one of those "unsolvables"...doesn't really cause an problems...I just cannot disable and then enable the NIC...

Post back in a few days...

Steve
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Mohammed HamadaSenior IT ConsultantCommented:
Well I have found this link it might provide you an additional idea..

http://users.tpg.com.au/adsl5muj/index.htm
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Steve MutchlerIT TechAuthor Commented:
Well...
moh10ly...I tried your last link...that took me here....   http://news.zdnet.com/2100-1009_22-5321783.html ...
I went thru the registry fix indicated...and that seemed to solve the problem...

However, as far as I can tell, this is a rather old issue, and the hot fix, I believe has been out for a while...and I had
build the machine only a couple months ago...

But, anyway it seems to have done the trick...

thanx
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