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Windows 7: Local Area Connection" doesn't have a valid IP configuration

21 Jan 2011   #21
anta

windows 7 enterprise 32bit
 
 

Suzanne,
Firstly, did you get the opportunity to back up your work onto a portable device?
or even onto a cloud based storage provider, I use dropbox myself but tis quite limited in storage (2gb). Chev has suggested elsewhere Livemesh2011 they provide upto 25gb !
I asumming that as you're at college you have quite a bit of coursework which would be a bugger to replace....
...don't worry backups are the last thing on most IT bods minds until they come to needing to restore from one...LOL.

anyhow. was flciking back through things and saw that you asked the same question(ish) back in september of last year. did that get resolved, if so how ?

also just realised that you said that the machine is only seven months old.
was it bought from new ?
is it still covered by a warrantee ?


My System SpecsSystem Spec
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21 Jan 2011   #22
haxcid

Windows 7; Server 08; Window Home Server; Vista; XP
 
 

Quote   Quote: Originally Posted by suzannec View Post
Haxcid, I'm at college
Still very well could be the issue. Usually when services assignments are all the same like

192.168.1.1 for gateway, dhcp, etc then your being handled by a router.

Can you open the properties for your network card TCPIP V4, and I would like you to change your DNS to manual and use the following

8.8.8.8

and the secondary

8.8.4.4

save and wait 10 seconds then try and surf the internet.

Instructions (vista but pretty much the same for 7)

Changing DNS Settings in Windows Vista
My System SpecsSystem Spec
21 Jan 2011   #23
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by suzannec View Post
Haxcid, I'm at college, not home.

Okay, so I'm getting frustrated.

I've been toodling along, blahblahblah, and I've looked at the device manager a few todays. Today I do it and I see a little yellow triangle over the Microsoft Teredo Tunneling Adapter - which I could have sworn said Teredo Tunneling Pseudo-Interface earlier, but whatever. Code 10, the device can't start because it hates me. That wasn't there the other day. I'm not sure if AVG caused it to spazz or my attempts at using anta's 6to4 adapter.

So I was like, "screw it, we'll try a restore."

I try that.


Can't get on wireless. It SAID it was connected, but generally, I'm prompted for my college username and and password when I open the browser. The username/password wouldn't come up. The error was gone on the teredo thing, though. Wired connection still didn't work.

So I undid the system restore and now my wireless works again, but the teredo thing has the yellow icon again, even after I tried updating the software.

The 220 6to4 adapters are gone, though. So I guess that's something.
Yes that is something, it's a start anyway,I'm glad you followed my advice on that. AVG causes nothing but problems, my advice is to remove it from your system. As for the other network problems.

Try running this batch file which will reset winsock, reset the TCP/IP stack and release renew your IP.


My System SpecsSystem Spec
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24 Jan 2011   #24
suzannec

Windows 7 Home 64 bit OEM
 
 

Sorry for the 3 day delay.

anta - yes, all my data is backed up.
I'm hesitant about doing a restore, though, because I don't know if it would be successful. I just tried uninstalling the LAN driver (and its software) and using Samsung Recovery to reinstall it, but it's still not working.

Regarding the thread from September - I'm not sure. It just resolved on its own. First the wireless came back on (which was never NOT working in this instance) and then the wired connection was working.

This is a new laptop, which should still be under its limited warranty.

haxcid - tried it, it didn't work. >.<
chev - I don't know how AVG could have stopped Teredo from working, but it definitely wasn't the cause of my wired connection not working, as I didn't have it installed at the time.

If I can renew right from the cmd, I'd rather do it there. I'm so sick of downloading files. X_x. I don't know how this would help, though, as I've tried resets and whatnot before.


Anyway, this is what ipconfig /all shows now that the 6to4 adapters have been cleared (attached)


Attached Images
Local Area Connection&quot; doesn't have a valid IP configuration-new.png 
My System SpecsSystem Spec
24 Jan 2011   #25
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by suzannec View Post
Sorry for the 3 day delay.

anta - yes, all my data is backed up.
I'm hesitant about doing a restore, though, because I don't know if it would be successful. I just tried uninstalling the LAN driver (and its software) and using Samsung Recovery to reinstall it, but it's still not working.

Regarding the thread from September - I'm not sure. It just resolved on its own. First the wireless came back on (which was never NOT working in this instance) and then the wired connection was working.

This is a new laptop, which should still be under its limited warranty.

haxcid - tried it, it didn't work. >.<
chev - I don't know how AVG could have stopped Teredo from working, but it definitely wasn't the cause of my wired connection not working, as I didn't have it installed at the time.

If I can renew right from the cmd, I'd rather do it there. I'm so sick of downloading files. X_x. I don't know how this would help, though, as I've tried resets and whatnot before.


Anyway, this is what ipconfig /all shows now that the 6to4 adapters have been cleared (attached)

Actually I never said that AVG caused the problem at all, that was someone else's idea. I'm just the guy who posted the batch file to remove the extra tunnel adaptors. I might point out the batch file has already worked countless times to remove those tunnel adaptors.

From what I can see you are connected wirelessly and it should be working.

Windows 7 does not like being connected to a wired and wireless connection at the same time so choose one or the other and it should work.

If you like typing in your own commands here are a couple commands, although the batch file "which I already posted" does all this automatically and also renews your IP.

The first commands you should try when you encounter network connectivity issues are:
ipconfig /release
ipconfig /renew
Winsock entries tells Windows 7 how to access your network services. Additionally, your TCP/IP protocol can be corrupted. The TCP/IP protocol is a stack of 4 layers that includes several transport layers, but when this stack is corrupt you will constantly have connectivity issues.
netsh winsock reset catalog (reset winsock entries)
netsh int ip reset reset.log hit (reset TCP/IP stack)
Knock yourself out, hope it helps although at this point it looks like your wireless is online.
My System SpecsSystem Spec
26 Jan 2011   #26
suzannec

Windows 7 Home 64 bit OEM
 
 

Yes, my wireless connection works. I haven't had a problem with my wireless connection; it's the cable connection that isn't working.

Normally I do not have the wired connection and wireless on at the same time. It was only for the purposes of taking the screenshot and uploading it that I had the wireless on while the cable was plugged in.

The screenshot I just took is what occurred when I tried running the batch file (wireless off).


Attached Images
Local Area Connection&quot; doesn't have a valid IP configuration-batch.png 
My System SpecsSystem Spec
28 Jan 2011   #27
suzannec

Windows 7 Home 64 bit OEM
 
 

Bumping this up. D:
My System SpecsSystem Spec
29 Jan 2011   #28
haxcid

Windows 7; Server 08; Window Home Server; Vista; XP
 
 

Do me a quick favor. Open a command window and type ping 192.168.1.2 > c:\pingdns.txt

then go to your c drive, open the pingdns text file and copy and paste the results here.

Thanks,

H.

Also, are you running a router in your room or straight from the wall to the computer?
My System SpecsSystem Spec
29 Jan 2011   #29
suzannec

Windows 7 Home 64 bit OEM
 
 

I. . .

I want to cry.

First off, it's working.

But I have no idea why or what did it.

For the past few days, I was getting this error when shutting down (but mind you, it was days after my internet stopped working). For a split second, it would say something about background processes needing to shut down, but it happened so fast I could never read it. The two things I can figure that might have resulted in it are one, that I installed AVG - but it'd never happened when I installed AVG before. However, when I did a scan, it said Rezip.exe was a virus and I put it in the recycle bin. However, I was informed that this was a samsung service, so this may have had something to do wit it. Even though I restored it from the recycle bin, though, I was still getting this error message on shutting down, so I don't know if the two events are related.

Then yesterday, it wouldn't shut down, saying something about taskeng needing to shut down and I had to force it to shut down. So I went googling for an explanation to this and found this solution. I opened the command prompt and did sfc /scannow. It got through the verification process, then stopped doing anything, so I closed it. This the only thing I can attribute to getting it to work. When I shut down, the pause of shutting down background processes ended. This was yesterday. I got on, went on wireless, and only from reading this thread did I then plug the cable back in. And then it worked.

So . . . I don't know.

I'm too chicken to restart my computer and see if it continues to work. xD
My System SpecsSystem Spec
08 Sep 2011   #30
Gagv

windows 7 enterprise 64 bit
 
 

I have the same problem but only in my building internet, whe I go to the university the lan Connection works fine. Why could it be that? How can I fix that? Please help me
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