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Windows 7: Connected to wifi router, can't connect to internet


02 Nov 2012   #1

Windows 7 Professional 64bit
 
 
Connected to wifi router, can't connect to internet

Same wifi network works on my laptop but not my desktop. Running the troubleshooter on my desktop comes up with no errors. My ipconfig /all is below. Thanks in advance.

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

C:\Users\Mike>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : TARDIS
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Wireless Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : B6-DB-C9-4B-66-43
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Bluetooth Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : 00-02-72-23-C3-B5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR9485 Wireless Network Adapter
Physical Address. . . . . . . . . : 94-DB-C9-4B-66-43
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5d11:511b:94b9:d5a8%11(Preferred)
IPv4 Address. . . . . . . . . . . : 172.16.0.7(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, November 02, 2012 11:33:21 PM
Lease Expires . . . . . . . . . . : Saturday, November 03, 2012 11:33:21 PM
Default Gateway . . . . . . . . . : 172.16.0.1
DHCP Server . . . . . . . . . . . : 172.16.0.1
DHCPv6 IAID . . . . . . . . . . . : 311745481
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-EE-7F-B0-C8-60-00-E3-6D-F1

DNS Servers . . . . . . . . . . . : 172.16.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) 82579V Gigabit Network Connectio
n
Physical Address. . . . . . . . . : C8-60-00-E3-6D-F1
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{1316B555-5219-4B47-9A1D-02B6A3F94CA5}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{5E11B2A3-7BAD-45CD-B965-5FAE03AD8736}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::55:cbc:b3ea:4464%12(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter isatap.{BA00C95C-14C3-406E-B701-84D66D8D5A92}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{05E24440-1A8F-4573-863C-4FBF4229D1AD}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

C:\Users\Mike>


My System SpecsSystem Spec
.

03 Nov 2012   #2

Windows 7 Ult, Windows 8.1 Pro,
 
 

According to this you should have a connection so something may be blocking the connection like an Anti Virus software.

Does it show up as connected but the browsers won't go anywhere? If so I have something for that.
My System SpecsSystem Spec
03 Nov 2012   #3

Windows 7 Professional 64 Bit
 
 

So can you 'ping google.com' from that CMD window?
My System SpecsSystem Spec
.


03 Nov 2012   #4

Windows 7 Professional 64bit
 
 

It says it's connected, but when I pinged google.com several times. The first time 1 out of 4 attempts came through, the other 3 timed out. Each subsequent time, all 4 attempts timed out. I've tried disabling my anti-virus software, but it didn't help.
My System SpecsSystem Spec
04 Nov 2012   #5

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by frozensun516 View Post
It says it's connected, but when I pinged google.com several times. The first time 1 out of 4 attempts came through, the other 3 timed out. Each subsequent time, all 4 attempts timed out. I've tried disabling my anti-virus software, but it didn't help.
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.

Type the commands one at a time into an elevated command prompt, hit enter after each one then reboot the machine. Let me know if that has any effect on the problem.
netsh winsock reset catalog (reset winsock entries)

netsh int ip reset reset.log hit (reset TCP/IP stack)

Which A/V are you using?
My System SpecsSystem Spec
04 Nov 2012   #6

Windows 7 Professional 64 Bit
 
 

Usually when only 1 out of 4 packets makes it to the destination and back, that means there's a duplicate IP address on your network. This typically happens when you reset the router and it "forgot" one of the systems on your network and gave its address to another system too. Windows is supposed to detect that situation but sometimes appears to not do so, typically when the firewall on one of the computers is configured to reject certain ICMP packets.

The solution is to refresh your IP address on each computer and device attached to the network. On your Windows computers, as an administrator command window (right-click and 'Run as Administrator') do 'ipconfig /release' followed by an 'ipconfig /renew' so they all get a new (hopefully non-duplicate) IP address. Heck, the release/renew on all your computers might be a good idea anyhow. On your WiFI-connected devices, such as Android phones and iDevices, hold down the power button and tell them to shut down when the red slider or shutdown menu appears, then after they turn themselves off turn them back on again. If you have a BluRay player or other WiFi-connected device, either disable networking and then re-enable networking in its Settings menu, or remove power, wait 10 seconds, then re-apply power. Your DHCP server in your router will then have an up to date notion of what all your IP addresses are and won't hand out duplicates while doing this.
My System SpecsSystem Spec
04 Nov 2012   #7

Windows 7 Professional 64bit
 
 

Chev45, I'm using Avast. I tried those commands but it didn't help.

Badtux, when I did ipconfig /renew on the computer that's having the problem, it said
"No operation can be performed on Wireless Network Connection 2 while it has its media disconnected. No operation can be performed on Bluetooth Network Connection while it has its media disconnected."
My System SpecsSystem Spec
04 Nov 2012   #8

Windows 7 Professional 64 Bit
 
 

You need to do the renew on *all* computers and devices, if my theory is correct (that the DHCP server on the wireless router got reset and lost track of which computer has which IP address).

The messages you list are normal for laptops that have Bluetooth, and don't affect the main wireless interface.

Personally, I would dump the Avast and go to Microsoft Security Essentials. I've tried Avast in the past and found it to sometimes cause more problems than it prevented, while MSE Just Works(tm) and stays out of my way.
My System SpecsSystem Spec
04 Nov 2012   #9

Windows 7 Professional 64bit
 
 

I did do it on all of my devices. I did the problem computer last and that was the response. It's still not connecting.

I just did it again, this time I got

"No operation can be performed on Wireless Network Connection 2 while it has its media disconnected.
An error occured while renewing interface Wireless Network Connection : unable to contact your DHCP server. Request has timed out."
My System SpecsSystem Spec
04 Nov 2012   #10

Windows 7 Professional 64 Bit
 
 

Okay, the second error (the one after "Wireless Network Connection 2") is *not* normal. What it indicates is that something is interfering with communications with your DHCP server. Because if your connection had actually dropped, you would get the first error (media disconnected).

I would strongly look at your firewall and antivirus right now...
My System SpecsSystem Spec
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 Connected to wifi router, can't connect to internet




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