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Windows 7: Win7?, or the lappie?, or the router? Equals no Internet

22 Aug 2012   #1
muymalestado

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
Win7?, or the lappie?, or the router? Equals no Internet

A Dell XPS i7 laptop, Win7 up to date, running quite well in all respects. OK, bar one!

No internet connection. Why?

The D-Link 111 router lights look good: DSL is rock steady. WAN blinks. Internet blinks. All as normal.

Putting a wire between the router & Dell lights the router port LED. AND, ipconfig.exe shows a proper IPV4 address dished out to the Dell by the router. BUT, cannot open the admin system on the router as 192.168.1.1 will not connect in Chrome nor in IE.

Win7 Network & Sharing shows a connect from Dell to router but 'X' from router to Internet. AND, ping to the router gives general failure. BUT, arp -a shows the router address as expected.

A second router is found and gives the same behaviour, but this 2nd router is known to be OK.

Take the 'bad' router next door and wire-connect it to another PC and everything works fine. Admin shows all is well inside the bad router.

Have I missed something? Is the Dell faulty?

Thank you very much.


My System SpecsSystem Spec
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22 Aug 2012   #2
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

Could you copy and paste the output of your ipconfig /all for further analysis? It seems to be a DNS or default gateway issue.
My System SpecsSystem Spec
22 Aug 2012   #3
muymalestado

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Thank you D882

Here are files using wireless and then wired connection. Hope this might help.


Attached Files
File Type: txt ipconfigWIRELESS.txt (2.9 KB, 6 views)
File Type: txt ipconfigWIRED.txt (2.9 KB, 9 views)
My System SpecsSystem Spec
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22 Aug 2012   #4
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

Thanks for the info--do me a favor. When you ping 127.0.0.1 do you still get the "General failure." message?

It seems that there is a problem with the TCP/IP stack installed on your computer. Let me know your results above and we'll go ahead with the next step.
My System SpecsSystem Spec
22 Aug 2012   #5
Dwarf

Windows 8.1 Pro RTM x64
 
 

See if the following batch file helps:

@Echo on
pushd\windows\system32\drivers\etc
attrib -h -s -r hosts

echo 127.0.0.1 localhost>HOSTS
attrib +r +h +s hosts
popd
ipconfig /release
ipconfig /renew
ipconfig /flushdns
netsh winsock reset all
netsh int ip reset all
shutdown -r -t 1
del %0

Copy and paste the above in to Notepad and save it as Flush.bat to the desktop. Close all running applications and then right-click on the file and choose to run as an administrator, providing the necessary credentials when prompted. Your computer will automatically restart itself.
My System SpecsSystem Spec
22 Aug 2012   #6
muymalestado

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Thanks D822 & Dwarf - the 127.0.0.1 yields general failure - and I'll run the FLUSH.BAT tomorrow as the laptop is now out of range for the night.
My System SpecsSystem Spec
22 Aug 2012   #7
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

You're welcome--I'm sure that Dwarf's fix will probably correct the problem for you. Let us know how you make out!
My System SpecsSystem Spec
22 Aug 2012   #8
ShadowMario3

Windows 7 Ultimate SP1 x64 and Windows XP Professional SP3 x32 (Dual Boot)
 
 

You don't happen to have McAfee as your antivirus, do you? Heard there was a problem with a McAfee update over the past weekend that messed with everyone's internet connection.
My System SpecsSystem Spec
23 Aug 2012   #9
muymalestado

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Dwarf's flush.bet did not solve this problem, but thanks.

Thanks SM3 - Yes fully subscribed McAfee is the security system on the Dell. I have looked at https://community.mcafee.com/thread/...rt=40&tstart=0 and seen the legion of problems and the supposed solution - complete uninstall / re-install. So that is the next step.

The Dell will be traveling for a week and I'll report when the procedure has been carried out.
My System SpecsSystem Spec
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 Win7?, or the lappie?, or the router? Equals no Internet




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