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Win7 Pro computer Network Adapter Not Responding

Working on a Powerpoint file and the computer network connection stopped. Lost connection to the network drive.

Restarted computer, and seems like network adapter is not responding.  Have lights connecting to Ethernet and blinking.  Changed Ethernet connections. No joy.  Ping and get unable to contact IP driver-general failure.

Go to Control Panel Settings / Network Sharing Center / and Get "View your network information" Unknown.  

Where would you suggest I start with troubleshooting.  Thanks!
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JScho10
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JScho10
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3 Solutions
 
John HurstBusiness Consultant (Owner)Commented:
First run TCP/IP Reset to see if it is a TCP/IP issue:

Open cmd.exe with Run as Administrator
Then  netsh int ip reset c:\resetlog.txt
Also, ipconfig /flushdns followed by net stop dnscache followed by net start dnscache
Then restart the computer

If the above does not work, go the computer manufacturer's support site and download the most recent driver for the network card. Install the driver and see if that gets you going.

Check for viruses, of course.

And then, after all the above, try a different (USB) network card.
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Rob HutchinsonDesktop SupportCommented:
What model computer is it?

Does it have both a wireless adapter and a LAN adapter?
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JScho10Author Commented:
Answers for John:
1.  Followed your instructions and got the following responses in cmd.exe:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Windows\system32>netsh int ip reset c:\resetlog.txt
Reseting Global, OK!
Reseting Interface, OK!
Restart the computer to complete this action.

C:\Windows\system32>ipconfig /flushdns

Windows IP Configuration

Could not flush the DNS Resolver Cache: Function failed during execution.

C:\Windows\system32>net stop dnscache
The DNS Client service is not started.

More help is available by typing NET HELPMSG 3521.


C:\Windows\system32>net start dnscache
System error 1068 has occurred.

The dependency service or group failed to start.


C:\Windows\system32>

2. Restarted computer with no improvement.

3. Ran Malwarebytes and found no virus's or malware.

4. Tried installing a USB Network Card with same problem.

Answer for Rob:

The computer is an HP Pro 3500 (Mfg #D3K31UT#ABA) no wireless.
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JScho10Author Commented:
After further inspection I found in msconfig that selective startup was on.   I selected normal startup and everything worked.  The required startup files must have been unselected.

I am not sure if my workstation user changed it or something got changed from a glitch (doubtful).

Is there a way I can tell in the event viewer when it was changed?
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Rob HutchinsonDesktop SupportCommented:
That computer actually comes with an optional wireless NIC. Did you check to make sure that the computer did not come with one, and that it wasn't made active?

see print screen:
C--temp-HP.jpg
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John HurstBusiness Consultant (Owner)Commented:
C:\Windows\system32>net stop dnscache
 The DNS Client service is not started


This says DNS is not working or cannot start.

Open an admin command prompt and run:

SFC /SCANNOW twice. Allow to complete.

Now shut down the computer (not restart). Now start it.  Run TCP/IP Reset again and now check if you can restart DNS. DNS not starting or resolving will cause internet issues.

Look in c:\windows\system32\drivers\etc\hosts and make sure all entries in here are comments only.
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JScho10Author Commented:
John: DNS Client is now working since I changed to normal startup in config and all the startup files loaded. (see my previous post)

Rob: There is no wireless card.

Thank you all for your input!
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JScho10Author Commented:
Wasn't able get a direct solution from the advice but got me on the right track by following the troubleshooting procedure.   Changing the msconfig fixed the problem.  Don't know how it occurred though.
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