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Connected to wifi, unable to connect to anything but can ping IPs


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#1 takeItSlow

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Posted 08 March 2018 - 07:42 PM

I'm posting from mobile.

Yesterday my computer (Win 7 ultimate) became unusably slow out of nowhere, I was unable to interact with anything and Ctrl+Alt+Del did nothing, so I rebooted. Once I was back in, I noticed I'm unable to use the Internet even though it says I'm connected. I've had this problem a few times in the past, but without the freezing and it resolved itself within an hour. It's been 24 hours and here's a list of what I've tried as well as important information.


restarted modem and router

diagnostics said the DNS server wasn't responding

have tried using openDNS and Google DNS without success

I am able to ping IPs and receive replies but can't ping domain names as well as being unable to connect to either via browser

I'm running a scan with Avast and Mbam, although Mbam is a fresh install I did manually update the rules.ref with the download from their site. I did run RKill prior to scanning.

other devices and PCs work fine which was concerning


I'm at a dead end until the scans finish. I don't know what to do.

Edited by takeItSlow, 08 March 2018 - 07:44 PM.


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#2 JohnC_21

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Posted 08 March 2018 - 07:48 PM

Is this avast free? Edit: Make and Model of computer?

 

Open an elevated command prompt and type the following commands. For an elevated command prompt type CMD in the Search Box > Right Click Run as Administrator.

netsh winsock reset
netsh int ip reset c:\resetlog.txt

Reboot.


Edited by JohnC_21, 08 March 2018 - 07:48 PM.


#3 takeItSlow

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Posted 08 March 2018 - 07:55 PM

Yes, free Avast. Computer is custom built by me, I'm out for a bit but will provide detailed specs if needed?

Alright, I'll try that when I can and post back probably in about half an hour.

#4 JohnC_21

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Posted 08 March 2018 - 07:59 PM

Also look for any yellow exclamation marks in Device Manager next to your network adapters. Did you run the Windows 7 network troubleshooter?

 

By diagnostics you meant the troubleshooter, correct?

 

Edit: Two other commands to run after the two I posted.

ipconfig /flushdns
ipconfig /registerdns

Edited by JohnC_21, 08 March 2018 - 08:06 PM.


#5 takeItSlow

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Posted 08 March 2018 - 08:07 PM

Yeah, that's the one I ran. It alternated between saying no issues found to saying the DNS server isn't responding.

I'll check that out.

#6 takeItSlow

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Posted 08 March 2018 - 08:26 PM

Also, I'm not familiar with this area and I'm wondering if there's any information I should write down prior to running the commands?

#7 JohnC_21

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Posted 08 March 2018 - 08:35 PM

Nothing to write down other than making sure the command syntax is correct. Make sure you are using an elevated command prompt. The commands are safe.



#8 takeItSlow

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Posted 08 March 2018 - 08:55 PM

Nothing to write down other than making sure the command syntax is correct. Make sure you are using an elevated command prompt. The commands are safe.

 

Posting from my computer. I ran the first two commands and rebooted which solved the issue. Do you recommend still running the other two commands?

 

Regardless, thank you very much for the help. Really appreciate it.



#9 JohnC_21

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Posted 08 March 2018 - 08:58 PM

Your Welcome, and thanks for the update. It is not necessary to run the other two commands if the Winsock and TPC/IP reset solved the problem.






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